基于耐性指数的青稞苗期耐低氮种质筛选及不同氮效率类型综合评价

文璇, 钟秀丽, 王尚文, 金涛, 彭君, 刘恩科

Screening of low nitrogen tolerant germplasm in seedling highland barley based on tolerance index and comprehensive evaluation of different nitrogen efficiency types

WEN Xuan, ZHONG Xiu-Li, WANG Shang-Wen, JIN Tao, PENG Jun, LIU En-Ke

图2 不同供氮水平下各青稞种质的氮效率综合值散点图 I: 低氮低效正常氮高效型(类型I); II: 低氮高效正常氮高效型(类型II); III: 低氮低效正常氮低效型(类型III); IV: 低氮高效正常氮低效型(类型IV)。

Fig. 2 Scatter plot of nitrogen efficiency comprehensive value of highland barley under different nitrogen levels I: low-N and low-efficiency, normal-N and high-efficiency type (Type I); II: low-N and high-efficiency, normal-N and high-efficiency type (Type II); III: low-N and low-efficiency, normal-N and low-efficiency type (Type III); IV: low-N and high-efficiency, normal-N and low-efficiency type (Type IV).