"Leaf photosynthetic potential, a major determinant of yield potential in rice, is mostly explained by stomatal conductance (g(s)) as well as leaf N content (Rubisco protein content). Therefore, the rapid and precise evaluation of g(s) as well as leaf N content would be a valuable addition to rice breeding programs aimed at improved yield potential," scientists in Tsukuba, Japan report.
"We established a simple method based on infrared thermography to estimate varietal differences in g(s). Seven rice varieties were cultivated in two-row plots in 2007, and canopy temperatures in three varieties, including a control variety, Koshihikari, were simultaneously measured to determine …
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