Alimul Islam | Shizuoka University (original) (raw)

Papers by Alimul Islam

Research paper thumbnail of Bioactive Potentials of Petunia Integrifolia (Hook.) Schinz & Thell. Against Culex Quinquefasciatus Larvae, Artemia Salina Nauplii and Poecilia Reticulata Adults

Journal of Bio-Science

Petroleum ether (pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Petunia integri... more Petroleum ether (pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Petunia integrifolia (Hook.) Schinz & Thell. Whole plant was subjected to assess cytotoxicity against the brine shrimp Artemia salina L. nauplii, larvicidal activity against the mosquito Culex quinquefasciatus Say larvae and piscicidal activity against the Poecilia reticulata Peters adults. The P. integrifolia extract in pet. ether showed the highest cytotoxic activity against A. salina nauplii by giving the minimum LC50 value of 49.25 parts per million (ppm) at 48 h, while in case of CHCl3 and CH3OH extracts, the values were 63.37 and 342.55 ppm, respectively. Against C. quinquefasciatus larvae the three extracts gave LC50 values of 4.92, 5.51 and171.26 ppm, respectively all after 48 h of exposure. Against P. reticulata the LC50 values were 21.70 ppm for pet. ether extract at 48 h, and 31.91 ppm for CHCl3 extract after 42 h of exposure but CH3OH extract offered no mortality. According to the intensity...

Research paper thumbnail of Bioactive potentials of Petunia integrifolia (Hook.) Schinz & Thell. against Culex quinquefasciatus larvae, Artemia salina nauplii and Poecilia reticulata adults

Journal of Bio-Science, Nov 5, 2023

Petroleum ether (pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Petunia integri... more Petroleum ether (pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Petunia integrifolia (Hook.) Schinz & Thell. Whole plant was subjected to assess cytotoxicity against the brine shrimp Artemia salina L. nauplii, larvicidal activity against the mosquito Culex quinquefasciatus Say larvae and piscicidal activity against the Poecilia reticulata Peters adults. The P. integrifolia extract in pet. ether showed the highest cytotoxic activity against A. salina nauplii by giving the minimum LC50 value of 49.25 parts per million (ppm) at 48 h, while in case of CHCl3 and CH3OH extracts, the values were 63.37 and 342.55 ppm, respectively. Against C. quinquefasciatus larvae the three extracts gave LC50 values of 4.92, 5.51 and171.26 ppm, respectively all after 48 h of exposure. Against P. reticulata the LC50 values were 21.70 ppm for pet. ether extract at 48 h, and 31.91 ppm for CHCl3 extract after 42 h of exposure but CH3OH extract offered no mortality. According to the intensity of activity, therefore, the extracts could be arranged in the descending order of: pet. ether > CHCl3 > CH3OH extracts; and the sensitivity of the test organisms to the extract of P. integrifolia could be arranged in the following descending order: C. quinquefasciatus larvae (in Pet. ether; LC50 = 4.92 ppm) > P. reticulata (in pet ether; LC50 = 21.70 ppm) >A. salina nauplii (in pet. ether; LC50 = 49.25 ppm).

Research paper thumbnail of Cytotoxicity assessment of Heritiera littoralis (Aiton), Madhuca longifolia (König) Macbr., Nerium indicum Mill. and Sapium indicum (Willd.) leaves on Artemia salina (L.)

Cytotoxicity assessment of Heritiera littoralis (Aiton), Madhuca longifolia (König) Macbr., Nerium indicum Mill. and Sapium indicum (Willd.) leaves on Artemia salina (L.), Dec 2021

Petroleum ether, CHCl3 and CH3OH extracts of leaves of Heritiera littoralis (Aiton), Madhuca long... more Petroleum ether, CHCl3 and CH3OH extracts of leaves of Heritiera littoralis (Aiton), Madhuca longifolia
(König) Macbr., Nerium indicum Mill. and Sapium indicum (Willd.) were subjected to assess cytotoxicity
against Artemia salina (L.) nauplii. The petroleum ether extract of H. littoralis leaves showed LC50 values
273.77, 97.27, 51.60, 37.12, 14.60 and 12.59 ppm after 12, 18, 24, 30, 36 and 42 h; the CHCl3 extract
showed LC50 values 733.25, 105.51, 40.72 and 18.20 ppm after 6, 12, 18 and 24 h whereas CH3OH
extract showed 73.05, 30.62, 24.56, 20.85, 16.21 and 6.71 ppm after 6, 12, 18, 24, 30 and 36 h of
exposure respectively. The petroleum ether extract of M. longifolia leaves possess LC50 values 259.35,
115.17, 56.84 and 8.73 ppm after 12, 18, 24 and 30 h; the CHCl3 extract possess LC50 values 585.43,
205.86, 112.74, 75.62, 52.84and 47.34 ppm after 12, 18, 24, 30, 36 and 42 h but CH3OH extract
possess LC50 values 185.87, 60.70, 30.11 and 15.39 ppm after 12, 18, 24 and 30 h of exposure
respectively. The petroleum ether extract of N. Indicum leaves recorded LC50 values 249.82, 146.07,
80.23, 54.21 and 40.19 ppm after 18, 24, 30, 36 and 42 h; the CHCl3 extract gave LC50 values 36.13,
21.72, 19.03, 16.81 and 16.34 ppm after 12, 18, 24, 30 and 36 h but CH3OH extract recorded LC50
values 394.90, 129.69, 81.50, 73.10 and 37.51 ppm after 18, 24, 30, 36 and 42 h of exposure
respectively. Similarly, the petroleum ether extract of S. indicum leaves showed LC50 values 24.79,
13.18 and 4.61 ppm after 12, 18 and 24 h; the CHCl3 extract were 50.45, 42.64, 21.20 and 14.93 ppm
after 18, 24, 30 and 36 h of exposure and the CH3OH extract showed LC50 values 306.37, 217.18,
149.38, 73.52, 54.45 and 22.91 ppm after 12, 18, 24, 30, 36 and 42 h of exposure respectively. The
intensity of efficacy of the extracts could be arranged in the following descending order of S. indicum
(petroleum etroleum ether extract) >H. littoralis (CH3OH extract) >M. longifolia (petroleum ether extract)
>N. indicum (CHCl3 extract).

Research paper thumbnail of Potentiation of Heritiera littoralis (Aiton), Madhuca longifolia (König) Macbr., Nerium indicum (Mill.) and Sapium indicum (Willd.) Leaf Extracts against the Insect Vector Culex quinquefasciatus (Say) Larvae

Potentiation of Heritiera littoralis (Aiton), Madhuca longifolia (König) Macbr., Nerium indicum (Mill.) and Sapium indicum (Willd.) Leaf Extracts against the Insect Vector Culex quinquefasciatus (Say) Larvae, 2020

Pet. (Petroleum) ether, CHCl3 (Chloroform) and CH3OH (Methanol) extracts of Heritiera littoralis ... more Pet. (Petroleum) ether, CHCl3 (Chloroform) and CH3OH (Methanol) extracts of Heritiera littoralis (Aiton),
Madhuca longifolia (König) Macbr., Nerium indicum (Mill.) and Sapium indicum (Willd.) leaves have been
tested against the significant insect vector Culex quinquefasciatus (Say) larvae through dose-mortality assay.
The H. littoralis gave LC50 values 412.31, 146.92, 66.46, 44.31 and 33.91 ppm for the Pet. ether extract and
152.10, 97.12, 72.27, 45.00 and 28.96 ppm for the CHCl3 extract both after 18, 24, 30, 36 and 42 h of
exposure; and 625.87, 231.46, 86.10, 15.26 and 2.15 ppm for the CH3OH extract after 12, 18, 24, 30 and 36
h of exposure respectively. The M. longifolia gave LC50 values 183.87, 87.56, 65.70, 33.27 and 18.02 ppm
for the CHCl3 extract and 213.84, 127.05, 89.07, 54.32 and 31.51 ppm for the CH3OH extract both after 18,
24, 30, 36 and 42 h of exposure; however, the Pet. ether extract did not show any lethal effect against the test
agent. The N. indicum gave LC50 values 420.46, 367.12, 65.35, 31.16, 19.28 and 15.89 ppm for the Pet. ether
extract after 12, 18, 24, 30, 36 and 42 h of exposure respectively; while the CHCl3 and CH3OH extracts did
not offer any mortality to the test larvae. The S. indicum gave LC50 values 383.43, 54.16, 16.48, 4.41 and
3.78 ppm for the Pet. ether extract after 12, 18, 24, 30 and 36 h of exposure and 414.11, 84.89 and 28.64
ppm for the CH3OH extract after 12, 18 and 24 h of exposure respectively; however, the CHCl3 extract did
not show lethal effect against the test agent. The intensity of activity of the extracts could be arranged in the
following descending order: H. littoralis (CH3OH extract) > S. indicum (Pet. ether extract) > N. indicum
(Pet. ether extract) > M. longifolia (CHCl3 extract).

Research paper thumbnail of Screening for insecticidal potential of the chickpea plant Cicer arietinum (L.) against three stored grain pests Callosobruchus chinensis (L.), Sitophilus oryzae (L.) and Tribolium castaneum (Herbst) adults under laboratory conditions

Screening for insecticidal potential of the chickpea plant Cicer arietinum (L.) against three stored grain pests Callosobruchus chinensis (L.), Sitophilus oryzae (L.) and Tribolium castaneum (Herbst) adults under laboratory conditions, Jan 11, 2023

Petroleum ether (PE), chloroform (CHCl3), and methanol (CH3OH) extracts of the whole chickpea pla... more Petroleum ether (PE), chloroform (CHCl3), and methanol (CH3OH) extracts of the whole chickpea plant Cicer arietinum (L.) have been tested against adult beetles of Callosobruchus chinensis (L.), Sitophilus oryzae (L.) and Tribolium castaneum (Herbst) through dose-mortality and repellent activity tests. In dose mortality tests, the PE extracts of C. arietinum gave LD50 values of 3.466, 3.292, 2.721, 2.398, 1.887, 1.663 and 1.428 mg/cm2 against C. chinensis and 4.297, 3.415, 2.246, 1.725, 1.384, 0.984 and 0.722 mg/cm2 against S. oryzae both after 12, 18, 24, 30, 36, 42 and 48 h of exposures, respectively. The CHCl3 extracts gave LD50 values of 5.242, 4.844, 3.472, 2.945, 2.540, 1.875, 1.295 and 1.053 mg/cm2 against C. chinensis after 6, 12, 18, 24, 30, 36, 42 and 48 h of exposures, respectively. The CH3OH extracts, on the other hand, yielded LD50 values of 0.923, 0.757, 0.649, 0.515, 0.400, 0.303, 0.247 and 0.197 mg/cm2 against C. chinensis, 4.227, 3.528, 3.454, 2.933, 2.493, 2.187, 1.938 and 1.724 mg/cm2 against S. oryzae and 3.485, 3.176, 2.851, 1.531, 1.113, 0.756, 0.534 and 0.478 mg/cm2 against T. castaneum adults after 6, 12, 18, 24, 30, 36, 42 and 48 h of exposures, respectively. However, the PE extracts of C. arietinum did not show any mortality against T. castaneum and the CHCl3 extracts were inactive against S. oryzae and T. castaneum adults. In repellency tests, all three organic extracts did not show any repellency against the test beetles. According to their intensity of activities, the extracts could be arranged in the following descending order: CH3OH extracts against C. chinensis > CH3OH extracts against T. castaneum > PE extracts against S. oryzae > CHCl3 extracts against C. chinensis > PE extracts against C. chinensis > CH3OH extracts against S. oryzae adults. The present results indicate that the test plant C. arietinum contains bioactive compounds and could be used as a source of control agents for the stored product pests.

Research paper thumbnail of Pesticidal Action of Petunia integrifolia (Hook.) Schinz & Thell. Extracts against Three Stored Product Pests

RAJSHAHI UNIVERSITY JOURNAL OF ENVIRONMENTAL SCIENCE, 2021

Petroleum ether (Pet. ether), Chloroform (CHCl3) and Methanol (CH3OH) extracts of the whole plant... more Petroleum ether (Pet. ether), Chloroform (CHCl3) and Methanol (CH3OH) extracts of the whole plant of Petunia integrifolia (Hook.) Schinz & Thell. were subjected to dose-mortality and repellent activity tests against three economically important stored product pests Tribolium castaneum (Hbst.), Sitophilus oryzae (L.) and Callosobruchus chinensis (L.) adults. The Pet. ether extract gave LD50 values 774.211, 482.944, 362.967, 290.312, 267.072, 250.437, 232.646 and 210.590 μg/cm2 against T. castaneum; 622.589, 488.302, 326.090, 261.275, 226.743, 200.496, 190.368 and 179.741 μg/cm2 against S. oryzae and 223.226, 139.425, 94.990, 60.167, 49.126, 37.729, 32.584 and 26.798 μg/cm2 against C. chinensis; the CHCl3 extract gave LD50 values 1346.655, 994.006, 690.838, 617.103, 499.323, 465.245, 417.610 and 377.448 μg/cm2 against T. castaneum; 1072.029, 945.599, 700.804, 609.574, 557.205, 531.474, 428.500 and 422.962 μg/cm2 against S. oryzae and 2231.894, 540.441, 283.154, 103.783, 66.703, 53.207, 37.959 and 30.396 μg/cm2 against C. chinensis adults; and the CH3OH extract gave LD50 values 1618.731, 1160.860, 844.502, 633.850, 579.368, 305.023, 226.975 and 220.973 μg/cm2 against T. castaneum and 1601.432, 1313.371, 768.993, 573.965, 474.193, 399.749, 337.305 and 335.388 μg/cm2 against C. chinensis all after 6, 12, 18, 24, 30, 36, 42 and 48 h of exposure respectively.

Research paper thumbnail of Lethal efficacy of indoor ornamental plant Aglaonema marantifolium (Schott.) against three economically important stored product pests Callosobruchus chinensis (L.), Sitophilus oryzae (L.) and Tribolium castaneum (HBST.)

Journal of Pharmacognosy and Phytochemistry, Feb 2019

Petroleum ether (Pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of the test plant ... more Petroleum ether (Pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of the test plant Aglaonema marantifolium (Schott.) have been subjected to dose-mortality and repellent activity tests against adult beetles of Callosobruchus chinensis (L.), Sitophillus oryzae (L.) and Tribolium castaneum (HBST.). The Pet. ether extract of A. marantifolium gave the LD50 values 1.04, 0.91, 0.87, 0.83, 0.80, 0.78 and 0.77mg/cm2 against S. oryzae; 1.34, 1.19, 1.14, 1.12, 1.07, 1.03 and 1.02mg/cm2 against T. castaneum; and the CH3OH extract gave the LD50 values 2.34, 2.15, 1.93, 1.86, 1.83, 1.82 and 1.81mg/cm2 against C. chinensis after 6, 12, 18, 24, 30, 36 and 42h of exposures respectively. The CHCl3 extract did not show any mortality against all the three test insects. In repellency tests, the CHCl3 extract was found to show significant repellent activity against the adult beetles of C. chinensis at 5% level of significance (P<0.05). However, Pet. ether and CH3OH extracts of A. marantifolium did not show repellent activity against any of the three test beetles.

Research paper thumbnail of Control potentials of the ornamental indoor plant Epipremnum aureum (Linden & Andre) G. S. Bunting against three stored product pests

Journal of Entomology and Zoology Studies, Jan 2019

Petroleum ether (Pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Epipremnum aure... more Petroleum ether (Pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Epipremnum aureum (Linden & Andre) G. S. Bunting have been subjected to dose-mortality and repellent activity tests against the adult beetles of Tribolium castaneum (Hbst.), Sitophilus oryzae (L.) and Callosobruchus chinensis (L.). The Pet. ether extract of E. aureum gave the LD50 values 1.40, 1.21, 1.16, 1.10, 1.04, 0.96 and 0.84mg/cm2 against T. castaneum; 1.73, 1.66, 1.32, 1.08, 1.00, 0.99 and 0.90mg/cm2 against S. oryzae; 2.95, 2.02, 2.01, 1.91, 1.82, 1.72 and 1.65mg/cm2 against C. chinensis after 6, 12, 18, 24, 30, 36 and 42h of exposures respectively. CHCl3 and CH3OH extracts did not show any mortality against all three test agents. In repellency tests, Pet. ether extract of E. aureum showed significant repellent activity against T. castaneum and C. chinensis at 5% level of significance (P<0.05); CHCl3 extract showed significant repellent activity against T. castaneum and C. chinensis at 1% level of significance (P<0.01) and at 5% level of significance (P<0.05) respectively. However, the CH3OH extract of E. aureum did not show repellent activity against T. castaneum, S. oryzae and C. chinensis.

Research paper thumbnail of Bioactive Potentials of Petunia Integrifolia (Hook.) Schinz & Thell. Against Culex Quinquefasciatus Larvae, Artemia Salina Nauplii and Poecilia Reticulata Adults

Journal of Bio-Science

Petroleum ether (pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Petunia integri... more Petroleum ether (pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Petunia integrifolia (Hook.) Schinz & Thell. Whole plant was subjected to assess cytotoxicity against the brine shrimp Artemia salina L. nauplii, larvicidal activity against the mosquito Culex quinquefasciatus Say larvae and piscicidal activity against the Poecilia reticulata Peters adults. The P. integrifolia extract in pet. ether showed the highest cytotoxic activity against A. salina nauplii by giving the minimum LC50 value of 49.25 parts per million (ppm) at 48 h, while in case of CHCl3 and CH3OH extracts, the values were 63.37 and 342.55 ppm, respectively. Against C. quinquefasciatus larvae the three extracts gave LC50 values of 4.92, 5.51 and171.26 ppm, respectively all after 48 h of exposure. Against P. reticulata the LC50 values were 21.70 ppm for pet. ether extract at 48 h, and 31.91 ppm for CHCl3 extract after 42 h of exposure but CH3OH extract offered no mortality. According to the intensity...

Research paper thumbnail of Bioactive potentials of Petunia integrifolia (Hook.) Schinz & Thell. against Culex quinquefasciatus larvae, Artemia salina nauplii and Poecilia reticulata adults

Journal of Bio-Science, Nov 5, 2023

Petroleum ether (pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Petunia integri... more Petroleum ether (pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Petunia integrifolia (Hook.) Schinz & Thell. Whole plant was subjected to assess cytotoxicity against the brine shrimp Artemia salina L. nauplii, larvicidal activity against the mosquito Culex quinquefasciatus Say larvae and piscicidal activity against the Poecilia reticulata Peters adults. The P. integrifolia extract in pet. ether showed the highest cytotoxic activity against A. salina nauplii by giving the minimum LC50 value of 49.25 parts per million (ppm) at 48 h, while in case of CHCl3 and CH3OH extracts, the values were 63.37 and 342.55 ppm, respectively. Against C. quinquefasciatus larvae the three extracts gave LC50 values of 4.92, 5.51 and171.26 ppm, respectively all after 48 h of exposure. Against P. reticulata the LC50 values were 21.70 ppm for pet. ether extract at 48 h, and 31.91 ppm for CHCl3 extract after 42 h of exposure but CH3OH extract offered no mortality. According to the intensity of activity, therefore, the extracts could be arranged in the descending order of: pet. ether > CHCl3 > CH3OH extracts; and the sensitivity of the test organisms to the extract of P. integrifolia could be arranged in the following descending order: C. quinquefasciatus larvae (in Pet. ether; LC50 = 4.92 ppm) > P. reticulata (in pet ether; LC50 = 21.70 ppm) >A. salina nauplii (in pet. ether; LC50 = 49.25 ppm).

Research paper thumbnail of Cytotoxicity assessment of Heritiera littoralis (Aiton), Madhuca longifolia (König) Macbr., Nerium indicum Mill. and Sapium indicum (Willd.) leaves on Artemia salina (L.)

Cytotoxicity assessment of Heritiera littoralis (Aiton), Madhuca longifolia (König) Macbr., Nerium indicum Mill. and Sapium indicum (Willd.) leaves on Artemia salina (L.), Dec 2021

Petroleum ether, CHCl3 and CH3OH extracts of leaves of Heritiera littoralis (Aiton), Madhuca long... more Petroleum ether, CHCl3 and CH3OH extracts of leaves of Heritiera littoralis (Aiton), Madhuca longifolia
(König) Macbr., Nerium indicum Mill. and Sapium indicum (Willd.) were subjected to assess cytotoxicity
against Artemia salina (L.) nauplii. The petroleum ether extract of H. littoralis leaves showed LC50 values
273.77, 97.27, 51.60, 37.12, 14.60 and 12.59 ppm after 12, 18, 24, 30, 36 and 42 h; the CHCl3 extract
showed LC50 values 733.25, 105.51, 40.72 and 18.20 ppm after 6, 12, 18 and 24 h whereas CH3OH
extract showed 73.05, 30.62, 24.56, 20.85, 16.21 and 6.71 ppm after 6, 12, 18, 24, 30 and 36 h of
exposure respectively. The petroleum ether extract of M. longifolia leaves possess LC50 values 259.35,
115.17, 56.84 and 8.73 ppm after 12, 18, 24 and 30 h; the CHCl3 extract possess LC50 values 585.43,
205.86, 112.74, 75.62, 52.84and 47.34 ppm after 12, 18, 24, 30, 36 and 42 h but CH3OH extract
possess LC50 values 185.87, 60.70, 30.11 and 15.39 ppm after 12, 18, 24 and 30 h of exposure
respectively. The petroleum ether extract of N. Indicum leaves recorded LC50 values 249.82, 146.07,
80.23, 54.21 and 40.19 ppm after 18, 24, 30, 36 and 42 h; the CHCl3 extract gave LC50 values 36.13,
21.72, 19.03, 16.81 and 16.34 ppm after 12, 18, 24, 30 and 36 h but CH3OH extract recorded LC50
values 394.90, 129.69, 81.50, 73.10 and 37.51 ppm after 18, 24, 30, 36 and 42 h of exposure
respectively. Similarly, the petroleum ether extract of S. indicum leaves showed LC50 values 24.79,
13.18 and 4.61 ppm after 12, 18 and 24 h; the CHCl3 extract were 50.45, 42.64, 21.20 and 14.93 ppm
after 18, 24, 30 and 36 h of exposure and the CH3OH extract showed LC50 values 306.37, 217.18,
149.38, 73.52, 54.45 and 22.91 ppm after 12, 18, 24, 30, 36 and 42 h of exposure respectively. The
intensity of efficacy of the extracts could be arranged in the following descending order of S. indicum
(petroleum etroleum ether extract) >H. littoralis (CH3OH extract) >M. longifolia (petroleum ether extract)
>N. indicum (CHCl3 extract).

Research paper thumbnail of Potentiation of Heritiera littoralis (Aiton), Madhuca longifolia (König) Macbr., Nerium indicum (Mill.) and Sapium indicum (Willd.) Leaf Extracts against the Insect Vector Culex quinquefasciatus (Say) Larvae

Potentiation of Heritiera littoralis (Aiton), Madhuca longifolia (König) Macbr., Nerium indicum (Mill.) and Sapium indicum (Willd.) Leaf Extracts against the Insect Vector Culex quinquefasciatus (Say) Larvae, 2020

Pet. (Petroleum) ether, CHCl3 (Chloroform) and CH3OH (Methanol) extracts of Heritiera littoralis ... more Pet. (Petroleum) ether, CHCl3 (Chloroform) and CH3OH (Methanol) extracts of Heritiera littoralis (Aiton),
Madhuca longifolia (König) Macbr., Nerium indicum (Mill.) and Sapium indicum (Willd.) leaves have been
tested against the significant insect vector Culex quinquefasciatus (Say) larvae through dose-mortality assay.
The H. littoralis gave LC50 values 412.31, 146.92, 66.46, 44.31 and 33.91 ppm for the Pet. ether extract and
152.10, 97.12, 72.27, 45.00 and 28.96 ppm for the CHCl3 extract both after 18, 24, 30, 36 and 42 h of
exposure; and 625.87, 231.46, 86.10, 15.26 and 2.15 ppm for the CH3OH extract after 12, 18, 24, 30 and 36
h of exposure respectively. The M. longifolia gave LC50 values 183.87, 87.56, 65.70, 33.27 and 18.02 ppm
for the CHCl3 extract and 213.84, 127.05, 89.07, 54.32 and 31.51 ppm for the CH3OH extract both after 18,
24, 30, 36 and 42 h of exposure; however, the Pet. ether extract did not show any lethal effect against the test
agent. The N. indicum gave LC50 values 420.46, 367.12, 65.35, 31.16, 19.28 and 15.89 ppm for the Pet. ether
extract after 12, 18, 24, 30, 36 and 42 h of exposure respectively; while the CHCl3 and CH3OH extracts did
not offer any mortality to the test larvae. The S. indicum gave LC50 values 383.43, 54.16, 16.48, 4.41 and
3.78 ppm for the Pet. ether extract after 12, 18, 24, 30 and 36 h of exposure and 414.11, 84.89 and 28.64
ppm for the CH3OH extract after 12, 18 and 24 h of exposure respectively; however, the CHCl3 extract did
not show lethal effect against the test agent. The intensity of activity of the extracts could be arranged in the
following descending order: H. littoralis (CH3OH extract) > S. indicum (Pet. ether extract) > N. indicum
(Pet. ether extract) > M. longifolia (CHCl3 extract).

Research paper thumbnail of Screening for insecticidal potential of the chickpea plant Cicer arietinum (L.) against three stored grain pests Callosobruchus chinensis (L.), Sitophilus oryzae (L.) and Tribolium castaneum (Herbst) adults under laboratory conditions

Screening for insecticidal potential of the chickpea plant Cicer arietinum (L.) against three stored grain pests Callosobruchus chinensis (L.), Sitophilus oryzae (L.) and Tribolium castaneum (Herbst) adults under laboratory conditions, Jan 11, 2023

Petroleum ether (PE), chloroform (CHCl3), and methanol (CH3OH) extracts of the whole chickpea pla... more Petroleum ether (PE), chloroform (CHCl3), and methanol (CH3OH) extracts of the whole chickpea plant Cicer arietinum (L.) have been tested against adult beetles of Callosobruchus chinensis (L.), Sitophilus oryzae (L.) and Tribolium castaneum (Herbst) through dose-mortality and repellent activity tests. In dose mortality tests, the PE extracts of C. arietinum gave LD50 values of 3.466, 3.292, 2.721, 2.398, 1.887, 1.663 and 1.428 mg/cm2 against C. chinensis and 4.297, 3.415, 2.246, 1.725, 1.384, 0.984 and 0.722 mg/cm2 against S. oryzae both after 12, 18, 24, 30, 36, 42 and 48 h of exposures, respectively. The CHCl3 extracts gave LD50 values of 5.242, 4.844, 3.472, 2.945, 2.540, 1.875, 1.295 and 1.053 mg/cm2 against C. chinensis after 6, 12, 18, 24, 30, 36, 42 and 48 h of exposures, respectively. The CH3OH extracts, on the other hand, yielded LD50 values of 0.923, 0.757, 0.649, 0.515, 0.400, 0.303, 0.247 and 0.197 mg/cm2 against C. chinensis, 4.227, 3.528, 3.454, 2.933, 2.493, 2.187, 1.938 and 1.724 mg/cm2 against S. oryzae and 3.485, 3.176, 2.851, 1.531, 1.113, 0.756, 0.534 and 0.478 mg/cm2 against T. castaneum adults after 6, 12, 18, 24, 30, 36, 42 and 48 h of exposures, respectively. However, the PE extracts of C. arietinum did not show any mortality against T. castaneum and the CHCl3 extracts were inactive against S. oryzae and T. castaneum adults. In repellency tests, all three organic extracts did not show any repellency against the test beetles. According to their intensity of activities, the extracts could be arranged in the following descending order: CH3OH extracts against C. chinensis > CH3OH extracts against T. castaneum > PE extracts against S. oryzae > CHCl3 extracts against C. chinensis > PE extracts against C. chinensis > CH3OH extracts against S. oryzae adults. The present results indicate that the test plant C. arietinum contains bioactive compounds and could be used as a source of control agents for the stored product pests.

Research paper thumbnail of Pesticidal Action of Petunia integrifolia (Hook.) Schinz & Thell. Extracts against Three Stored Product Pests

RAJSHAHI UNIVERSITY JOURNAL OF ENVIRONMENTAL SCIENCE, 2021

Petroleum ether (Pet. ether), Chloroform (CHCl3) and Methanol (CH3OH) extracts of the whole plant... more Petroleum ether (Pet. ether), Chloroform (CHCl3) and Methanol (CH3OH) extracts of the whole plant of Petunia integrifolia (Hook.) Schinz & Thell. were subjected to dose-mortality and repellent activity tests against three economically important stored product pests Tribolium castaneum (Hbst.), Sitophilus oryzae (L.) and Callosobruchus chinensis (L.) adults. The Pet. ether extract gave LD50 values 774.211, 482.944, 362.967, 290.312, 267.072, 250.437, 232.646 and 210.590 μg/cm2 against T. castaneum; 622.589, 488.302, 326.090, 261.275, 226.743, 200.496, 190.368 and 179.741 μg/cm2 against S. oryzae and 223.226, 139.425, 94.990, 60.167, 49.126, 37.729, 32.584 and 26.798 μg/cm2 against C. chinensis; the CHCl3 extract gave LD50 values 1346.655, 994.006, 690.838, 617.103, 499.323, 465.245, 417.610 and 377.448 μg/cm2 against T. castaneum; 1072.029, 945.599, 700.804, 609.574, 557.205, 531.474, 428.500 and 422.962 μg/cm2 against S. oryzae and 2231.894, 540.441, 283.154, 103.783, 66.703, 53.207, 37.959 and 30.396 μg/cm2 against C. chinensis adults; and the CH3OH extract gave LD50 values 1618.731, 1160.860, 844.502, 633.850, 579.368, 305.023, 226.975 and 220.973 μg/cm2 against T. castaneum and 1601.432, 1313.371, 768.993, 573.965, 474.193, 399.749, 337.305 and 335.388 μg/cm2 against C. chinensis all after 6, 12, 18, 24, 30, 36, 42 and 48 h of exposure respectively.

Research paper thumbnail of Lethal efficacy of indoor ornamental plant Aglaonema marantifolium (Schott.) against three economically important stored product pests Callosobruchus chinensis (L.), Sitophilus oryzae (L.) and Tribolium castaneum (HBST.)

Journal of Pharmacognosy and Phytochemistry, Feb 2019

Petroleum ether (Pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of the test plant ... more Petroleum ether (Pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of the test plant Aglaonema marantifolium (Schott.) have been subjected to dose-mortality and repellent activity tests against adult beetles of Callosobruchus chinensis (L.), Sitophillus oryzae (L.) and Tribolium castaneum (HBST.). The Pet. ether extract of A. marantifolium gave the LD50 values 1.04, 0.91, 0.87, 0.83, 0.80, 0.78 and 0.77mg/cm2 against S. oryzae; 1.34, 1.19, 1.14, 1.12, 1.07, 1.03 and 1.02mg/cm2 against T. castaneum; and the CH3OH extract gave the LD50 values 2.34, 2.15, 1.93, 1.86, 1.83, 1.82 and 1.81mg/cm2 against C. chinensis after 6, 12, 18, 24, 30, 36 and 42h of exposures respectively. The CHCl3 extract did not show any mortality against all the three test insects. In repellency tests, the CHCl3 extract was found to show significant repellent activity against the adult beetles of C. chinensis at 5% level of significance (P<0.05). However, Pet. ether and CH3OH extracts of A. marantifolium did not show repellent activity against any of the three test beetles.

Research paper thumbnail of Control potentials of the ornamental indoor plant Epipremnum aureum (Linden & Andre) G. S. Bunting against three stored product pests

Journal of Entomology and Zoology Studies, Jan 2019

Petroleum ether (Pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Epipremnum aure... more Petroleum ether (Pet. ether), chloroform (CHCl3) and methanol (CH3OH) extracts of Epipremnum aureum (Linden & Andre) G. S. Bunting have been subjected to dose-mortality and repellent activity tests against the adult beetles of Tribolium castaneum (Hbst.), Sitophilus oryzae (L.) and Callosobruchus chinensis (L.). The Pet. ether extract of E. aureum gave the LD50 values 1.40, 1.21, 1.16, 1.10, 1.04, 0.96 and 0.84mg/cm2 against T. castaneum; 1.73, 1.66, 1.32, 1.08, 1.00, 0.99 and 0.90mg/cm2 against S. oryzae; 2.95, 2.02, 2.01, 1.91, 1.82, 1.72 and 1.65mg/cm2 against C. chinensis after 6, 12, 18, 24, 30, 36 and 42h of exposures respectively. CHCl3 and CH3OH extracts did not show any mortality against all three test agents. In repellency tests, Pet. ether extract of E. aureum showed significant repellent activity against T. castaneum and C. chinensis at 5% level of significance (P<0.05); CHCl3 extract showed significant repellent activity against T. castaneum and C. chinensis at 1% level of significance (P<0.01) and at 5% level of significance (P<0.05) respectively. However, the CH3OH extract of E. aureum did not show repellent activity against T. castaneum, S. oryzae and C. chinensis.