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The Growth Analysis in the Wheat Filling Process of the Two Hybrids and Their Parents Based on Richards Equation

Abstract : Using Origin software, the grain filling process of hybrid wheats 1–12 and 8-1-54 and their parents was fitted by Richards equation W = A/(1 + Be−kt)1/N on computer in order to study the characteristics of grain filling in hybrids wheat. The active grain growth period of hybrid wheats 1–12 and 8-1-54 were longer than that of their parents respectively, and their final grain weight was higher than that of their parents respectively. These results suggest that hybrids 1–12 and 8-1-54 have the higher capacity of graining filling than their parents and that may be associated with longer RGFP and higher maximum grain-filling rate. It was also found that Richards equation was more suitable for fitting the grain filling process of wheat than Logistic equation.
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Weiqing Wang. The Growth Analysis in the Wheat Filling Process of the Two Hybrids and Their Parents Based on Richards Equation. 9th International Conference on Computer and Computing Technologies in Agriculture (CCTA), Sep 2015, Beijing, China. pp.1-7, ⟨1010.1007/978-3-319-48357-3_1⟩. ⟨hal-01557808⟩

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