what are the most important trends that we could follow to screen low light tolerant rice genotypes?
in general, old landraces are good in low light tolerance compared to modern cultivars. again, there is good differences between indica and japonica
Hi Darshan,
1. When plants are grown under low light, they exhibit different effects on the rice morphological and physiological characteristics, rice grains and rice yield.
2. Low light tolerant varieties can maintain a more efficient photosynthetic rate and effective antioxidant capacity when grow under low-light regions.
3. Low light tolerant varieties/germplasms can be screened through (1) the indication of high chlorophyll content, (2) Genes which are highly responsive to light; for example, according to study, promoter of LP2 gene in rice is highly responsive to light.
4. Please see the attached paper for your reference.
Our research group is completing a study with irrigated rice cultivars, widely grown in the southern region of the
Brazil regarding low light. Study being conducted in the field, greenhouse and in Fitotron, with two years of cultivation.
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