Drought resistance of various rice genetic background based on raised bed screening system (original) (raw)

IOP Conference Series: Earth and Environmental Science, 2021

Abstract

Drought is one of the major constraints of rice production in Indonesia. Climate change increases the risk of drought incidences. The evaluation of drought resisting rice genotypes available in Indonesia would hopefully find and enhance such resistance which could be utilized to be further tested in releasing a variety or donor parent within the drought-resistant breeding program. Raised bed system (RBS) is a relatively reliable method to screen drought resistance up to generative growth phase. This research aimed to screen 69 rice genotypes including 26 IRRI accession included in 3000 rice genome sequencing projects, 29 elite lines, 6 old released variety, 6 released variety, and each of susceptible and resistant drought check variety raised bed screening system. The trial was conducted in RBS facility in ICRR from January to May 2017 following a randomized complete block design of two replications. The materials were directly planted in a 10 hill row with planting space of 20 cm x...

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