Leaf Photosynthetic Characteristics of High-Yield Soybean[Glycine max(L.)Merr.]Under Different Planting Densities,Different Fertilization Rates,and Single/Mixed Planting Patterns
作者机构：Agricultural SchoolInner Mongolia University for NationalitiesTongliao 028000China Agricultural SchoolShenyang Agricultural UniversityShenyang 110000China
出 版 物：《Agricultural Biotechnology》 (农业生物技术（英文版）)
年 卷 期：2021年第10卷第3期
页 面：26-33页
基 金：National Natural Science Foundation of China(31260310) Science and Technology Reserve Project of Inner Mongolia Autonomous Region(2018MDCB02)
主 题：High-yield soybean Photosynthesis Planting density Fertilizing Planting pattern
摘 要：Understanding the photosynthetic characteristics of high-yield soybean[Glycine max(L.)Merr]cultivar(HYC)would aid research aiming at investigating the soybean high yield formation mechanism and optimization of cultivation *** assess the photosynthesis of HYC,a pot experiment was conducted to quantify the differences in photosynthetic characteristics between HYC and common-yield soybean cultivar(CC)under different planting densities,fertilization rates,and single/mixed planting *** leaf greenness(Lg),net photosynthetic rate(Ph),stomatal conductance(St)and transpiration rate(Tr)were significantly higher in HYC than CC mainly in seed-filling *** was more tolerant to dense and mixed planting because the decreases of Ph and St under high planting density and those of Ph,St,and Tr under mixed planting were lower in HYC than *** Lg and Ph in HYC were more superior to those in CC at high fertilization ***,the HYC has a superior performance in photosynthetic characteristics under the varied cultivation practices,which may contribute to the greater seed yield in HYC than CC.
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