黄土高原不同地点小麦籽粒矿质元素的含量差异

王丽,王朝辉,郭子糠,陶振魁,郑洺钧,黄宁,高志源,张欣欣,黄婷苗

Differences of Main Nutrient Concentration in Wheat Grain Between Typical Locations of the Loess Plateau

WANG Li,WANG ZhaoHui,GUO ZiKang,TAO ZhenKui,ZHENG MingJun,HUANG Ning,GAO ZhiYuan,ZHANG XinXin,HUANG TingMiao

表2 两个地点的小麦籽粒产量、生物量和收获指数及产量构成

Table 2 Grain yield, biomass, harvest index and yield components averaged over 20 cultivars at two experimental sites

试验地点 Site 品种数 Variety number 籽粒产量 Grain yield (kg·hm-2) 生物量 Biomass (kg·hm-2) 收获指数 Harvest (%) 穗数 Spike number (×104·hm-2) 穗粒数 Grain number 千粒重 1000-grain weight (g) 永寿Yongshou 20 5928a 11995a 49.4a 433a 32a 44.0b 杨凌Yangling 20 4502b 10781b 41.6b 353b 29a 46.0a