Effects of Water Deficit on Leaf Growth during Vegetative Growth Period in Soybean
2000
Kim Wook-Han National Crop Experiment Station, Suwon (Korea Republic) Hong Byung-Hee Korea University, Seoul (Korea Republic)
Leaf area is critical for crop light interception, and thereby has a substantial influence on crop yield. This experiment was conducted to characterize the development of soybean [Glycine max(L.) Merr.] leaf area. Plastochron index and leaf relative growth rate of Jackson was contrasted with the PI416937, which also has demonstrated tolerance to drought. First, plastochron ratio (PR) and plastochron index (PI) were evaluated in greenhouse to compare the leaf growth rate between two genotypes under well-watered condition. There was reasonable constancy of PR between two genotypes. The PR means of Jackson and PI416937 were 0.41 and 0.44, respectively.
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