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Research paper thumbnail of Comparison of the suitability of two lichen species and one higher plant for monitoring airborne heavy metals

Environmental Monitoring and Assessment, 2009

Research paper thumbnail of Ecology of parasitic Rhinantheae. Observations on the nutritional physiology of Bellardia trixago L. All. cultured in vitro

Research paper thumbnail of Stigma treatment with saline solutions: A new method to overcome self-incompatibility in Brassica oleracea L

Journal of Horticultural Science, 1997

Go to AGRIS search. Journal of Horticultural Science (1997). Stigma treatment with saline solutio... more Go to AGRIS search. Journal of Horticultural Science (1997). Stigma treatment with saline solutions: a new method to overcome self-incompatibility in Brassica oleracea L. ...

Research paper thumbnail of Assessment of heavy metals phytotoxicity using seed germination and root elongation tests: A comparison of two growth substrates

Research paper thumbnail of Protein kinase in pine pollen

Planta, 1976

Protein kinase (E.C. 2.7.1.37) activity towards both endogenous and exogenous substrates has been... more Protein kinase (E.C. 2.7.1.37) activity towards both endogenous and exogenous substrates has been detected in pine pollen (Pinus canariensis P. Sm.) and partially purified by DEAE-cellulose chromatography. It seems to be not affected by cyclic AMP.

Research paper thumbnail of Anatomical observations on the nucellar apex of Wellwitschia mirabilis and the chemical composition of the micropylar drop

Sex Plant Reprod, 1992

In the young ovule of Welwitschia mirabilis the nucellar apex is dome shaped and starch begins to... more In the young ovule of Welwitschia mirabilis the nucellar apex is dome shaped and starch begins to accumulate near the female gametophyte. With the degeneration of the cells of the nucellar apex, a pollen chamber is formed, which contains the micropylar fluid. Starch storage increases considerably in the upper part of the nucellus. Pollen drop emission is not a rhythmic

Research paper thumbnail of Assessment of heavy metals transfer from a moderately polluted soil into the edible parts of vegetables

In the present study we have grown plants of Brassica oleracea L., Lactuca sativa L. and Lycopers... more In the present study we have grown plants of Brassica oleracea L., Lactuca sativa L. and Lycopersicon esculentum L., widely cultivated in the Mediterranean area, on garden soil contaminated with different amounts of cadmium, copper, nickel and zinc. The aim was to assess the translocation and accumulation of metals into the edible parts of the vegetables in question. Soil contamination

Research paper thumbnail of Some aspects of microsporogenesis of Welwitschia mirabilis Hook

Giornale botanico italiano, 1996

... ANNA M. CARAFA, ROBERTO PONZI and FABIANA PIZZOLONGO lstituto Botanico, Facoltd di Agraria, U... more ... ANNA M. CARAFA, ROBERTO PONZI and FABIANA PIZZOLONGO lstituto Botanico, Facoltd di Agraria, Uniuersit« di Napoli«Federico II», 80055Portia ... 1964), for detection of callose with fluorescence microscopy; d) 1% alcian blue in 3% acetic acid (HESLOP-HARRISON, 1979 ...

Research paper thumbnail of Attività proteolitica nei confronti di proteine basiche, presente nei semi di Bellardia trixago (L.) All

Giornale botanico italiano, 1982

Abstract Proteolytic activity on basic proteins in seeds of Bellardia trixago (L.) All.-A SH-prot... more Abstract Proteolytic activity on basic proteins in seeds of Bellardia trixago (L.) All.-A SH-proteinase was isolated from dormant seed of Bellardia trixago (L.) All. The enzyme, which was active on basic proteins, showed its optimum activity at pH 4.8. The natural substrate ...

Research paper thumbnail of Gametophyte development of Woodwardia radicans (L.) Sm.: Effect of population density and antheridiogen on sex expression

Giornale botanico italiano, 1990

Abstract Gametophyte development of Woorwardia radicans was studied in controlled culture conditi... more Abstract Gametophyte development of Woorwardia radicans was studied in controlled culture conditions, as well as the effect of population density and antheridiogen on sex expression. The pattern of gametophyte development is not affected by temperature, while ...

Research paper thumbnail of Cyclic AMP binding protein from Jerusalem artichoke rhizome tissues

Phytochemistry, 1979

Abstract A cyclic AMP binding protein has been purified to electrophoretic homogeneity from Jerus... more Abstract A cyclic AMP binding protein has been purified to electrophoretic homogeneity from Jerusalem artichoke rhizome tissues. Its MW is ca. 240 000 and the apparent constant of cyclic AMP binding to the protein is 2.3× 10− 7 M. When tested using Millipore filter assay, ...

Research paper thumbnail of Light dependent spore germination in Woodwardia radicans (L.) Sm

Giornale botanico italiano, 1984

Abstract The spores of Woodwardia radicans can germinate indifferently either in water or in cult... more Abstract The spores of Woodwardia radicans can germinate indifferently either in water or in culture media containing mineral salts at temperatures (15-24° C) falling within a range believed optimal for many other ferns (15-30 C). The spores are photosensitive, will not ...

Research paper thumbnail of Callose in Cell Walls during Reproductive Processes in Cytinus Hypocistis L

Research paper thumbnail of Purification and characterization of a protein kinase from pine pollen

Research paper thumbnail of Pollen hemagglutinating activity is not related to lectin

Sexual Plant Reproduction, 1995

Research paper thumbnail of Anatomical observations on the nucellar apex of Wellwitschia mirabilis and the chemical composition of the micropylar drop

Sexual Plant Reproduction, 1992

In the young ovule of Welwitschia mirabilis the nucellar apex is dome shaped and starch begins to... more In the young ovule of Welwitschia mirabilis the nucellar apex is dome shaped and starch begins to accumulate near the female gametophyte. With the degeneration of the cells of the nucellar apex, a pollen chamber is formed, which contains the micropylar fluid. Starch storage increases considerably in the upper part of the nucellus. Pollen drop emission is not a rhythmic

Research paper thumbnail of Comparison of the suitability of two lichen species and one higher plant for monitoring airborne heavy metals

Environmental Monitoring and Assessment, 2010

Research paper thumbnail of Comparison of the suitability of two lichen species and one higher plant for monitoring airborne heavy metals

Environmental Monitoring and Assessment, 2009

Research paper thumbnail of Ecology of parasitic Rhinantheae. Observations on the nutritional physiology of Bellardia trixago L. All. cultured in vitro

Research paper thumbnail of Stigma treatment with saline solutions: A new method to overcome self-incompatibility in Brassica oleracea L

Journal of Horticultural Science, 1997

Go to AGRIS search. Journal of Horticultural Science (1997). Stigma treatment with saline solutio... more Go to AGRIS search. Journal of Horticultural Science (1997). Stigma treatment with saline solutions: a new method to overcome self-incompatibility in Brassica oleracea L. ...

Research paper thumbnail of Assessment of heavy metals phytotoxicity using seed germination and root elongation tests: A comparison of two growth substrates

Research paper thumbnail of Protein kinase in pine pollen

Planta, 1976

Protein kinase (E.C. 2.7.1.37) activity towards both endogenous and exogenous substrates has been... more Protein kinase (E.C. 2.7.1.37) activity towards both endogenous and exogenous substrates has been detected in pine pollen (Pinus canariensis P. Sm.) and partially purified by DEAE-cellulose chromatography. It seems to be not affected by cyclic AMP.

Research paper thumbnail of Anatomical observations on the nucellar apex of Wellwitschia mirabilis and the chemical composition of the micropylar drop

Sex Plant Reprod, 1992

In the young ovule of Welwitschia mirabilis the nucellar apex is dome shaped and starch begins to... more In the young ovule of Welwitschia mirabilis the nucellar apex is dome shaped and starch begins to accumulate near the female gametophyte. With the degeneration of the cells of the nucellar apex, a pollen chamber is formed, which contains the micropylar fluid. Starch storage increases considerably in the upper part of the nucellus. Pollen drop emission is not a rhythmic

Research paper thumbnail of Assessment of heavy metals transfer from a moderately polluted soil into the edible parts of vegetables

In the present study we have grown plants of Brassica oleracea L., Lactuca sativa L. and Lycopers... more In the present study we have grown plants of Brassica oleracea L., Lactuca sativa L. and Lycopersicon esculentum L., widely cultivated in the Mediterranean area, on garden soil contaminated with different amounts of cadmium, copper, nickel and zinc. The aim was to assess the translocation and accumulation of metals into the edible parts of the vegetables in question. Soil contamination

Research paper thumbnail of Some aspects of microsporogenesis of Welwitschia mirabilis Hook

Giornale botanico italiano, 1996

... ANNA M. CARAFA, ROBERTO PONZI and FABIANA PIZZOLONGO lstituto Botanico, Facoltd di Agraria, U... more ... ANNA M. CARAFA, ROBERTO PONZI and FABIANA PIZZOLONGO lstituto Botanico, Facoltd di Agraria, Uniuersit« di Napoli«Federico II», 80055Portia ... 1964), for detection of callose with fluorescence microscopy; d) 1% alcian blue in 3% acetic acid (HESLOP-HARRISON, 1979 ...

Research paper thumbnail of Attività proteolitica nei confronti di proteine basiche, presente nei semi di Bellardia trixago (L.) All

Giornale botanico italiano, 1982

Abstract Proteolytic activity on basic proteins in seeds of Bellardia trixago (L.) All.-A SH-prot... more Abstract Proteolytic activity on basic proteins in seeds of Bellardia trixago (L.) All.-A SH-proteinase was isolated from dormant seed of Bellardia trixago (L.) All. The enzyme, which was active on basic proteins, showed its optimum activity at pH 4.8. The natural substrate ...

Research paper thumbnail of Gametophyte development of Woodwardia radicans (L.) Sm.: Effect of population density and antheridiogen on sex expression

Giornale botanico italiano, 1990

Abstract Gametophyte development of Woorwardia radicans was studied in controlled culture conditi... more Abstract Gametophyte development of Woorwardia radicans was studied in controlled culture conditions, as well as the effect of population density and antheridiogen on sex expression. The pattern of gametophyte development is not affected by temperature, while ...

Research paper thumbnail of Cyclic AMP binding protein from Jerusalem artichoke rhizome tissues

Phytochemistry, 1979

Abstract A cyclic AMP binding protein has been purified to electrophoretic homogeneity from Jerus... more Abstract A cyclic AMP binding protein has been purified to electrophoretic homogeneity from Jerusalem artichoke rhizome tissues. Its MW is ca. 240 000 and the apparent constant of cyclic AMP binding to the protein is 2.3× 10− 7 M. When tested using Millipore filter assay, ...

Research paper thumbnail of Light dependent spore germination in Woodwardia radicans (L.) Sm

Giornale botanico italiano, 1984

Abstract The spores of Woodwardia radicans can germinate indifferently either in water or in cult... more Abstract The spores of Woodwardia radicans can germinate indifferently either in water or in culture media containing mineral salts at temperatures (15-24° C) falling within a range believed optimal for many other ferns (15-30 C). The spores are photosensitive, will not ...

Research paper thumbnail of Callose in Cell Walls during Reproductive Processes in Cytinus Hypocistis L

Research paper thumbnail of Purification and characterization of a protein kinase from pine pollen

Research paper thumbnail of Pollen hemagglutinating activity is not related to lectin

Sexual Plant Reproduction, 1995

Research paper thumbnail of Anatomical observations on the nucellar apex of Wellwitschia mirabilis and the chemical composition of the micropylar drop

Sexual Plant Reproduction, 1992

In the young ovule of Welwitschia mirabilis the nucellar apex is dome shaped and starch begins to... more In the young ovule of Welwitschia mirabilis the nucellar apex is dome shaped and starch begins to accumulate near the female gametophyte. With the degeneration of the cells of the nucellar apex, a pollen chamber is formed, which contains the micropylar fluid. Starch storage increases considerably in the upper part of the nucellus. Pollen drop emission is not a rhythmic

Research paper thumbnail of Comparison of the suitability of two lichen species and one higher plant for monitoring airborne heavy metals

Environmental Monitoring and Assessment, 2010