长江中下游小麦品种根系改良特征及其与产量的关系

田中伟, 樊永惠, 殷美, 王方瑞, 蔡剑, 姜东, 戴廷波^*

Genetic Improvement of Root Growth and Its Relationship with Grain Yield of Wheat Cultivars in the Middle-Lower Yangtze River

TIAN Zhong-Wei, FAN Yong-Hui, YIN Mei, WANG Fang-Rui, CAI Jian, JIANG Dong, DAI Ting-Bo^*

图1 大田试验3种氮肥水平下不同年代小麦品种孕穗期A和开花期B 0~60 cm土层根重密度
Fig. 1 Root weight density at booting A and anthesis B from 0 to 60 cm soil layer under three nitrogen levels in wheat cultivars released in different years in field experiment