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2010年渭南市玉米出现异常现象主要表现为以下3种形式:1香蕉穗形成的主要原因是春播中晚熟区玉米雌穗分化形成期,即八叶期至十叶期严重干旱或虽有降雨过程,但每次降雨量少于5mm均为无效雨,抑制了雌穗分化进程,玉米在穗分化阶段,遇到少有的高温干旱天气,使雌
The main anomalies of maize in Weinan in 2010 are as follows: 1 The main reason for the formation of banana spikes is the formation of maize ear during the mid-late maturing stage of spring sowing, that is, the severe drought during the period of eight-leaf stage to the ten-leaf stage or the rainfall process , But each rainfall less than 5mm are ineffective rain, inhibiting the process of ear differentiation, corn in the ear stage of differentiation, encountered rare high temperature and drought weather, so that female