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在玉米制种生长过程中,由于受父、母本特征特性、感光性、感温性和土壤、气候、栽培管理等不同条件的影响,往往造成玉米制种父、母本花期不遇或相遇不好,轻者减产,重者基本无收。为此,在玉米制种时,普遍采用播种采粉区的办法,笔者根据多年经验,总结出一种简单易行,便于操作的方法,并经过多年实践汪明,效果很好。这种方法就是对父本种子分期浸泡,同期播种,出苗后在同一块地的父本行形成明显的大、中、小三种类型的健壮苗,使散粉期延长。其方法是,在确定播父本前4～6d(根据浸种时的气温和水温而定),将1/5的父本种子浸泡,到播种时芽长约
In the process of corn seed growth, due to the parental and female parent characteristics, sensitivity, temperature sensitivity and soil, climate, cultivation and management of different conditions, often resulting in maize seed parents or inflorescence encounter or not Good, light production cuts, heavy cases basically no charge. To this end, seed production in the corn, the widespread adoption of sowing mining area approach, the author based on years of experience, summed up a simple and easy to operate method, and after many years of practice, Wang Ming, the effect is very good. This method is that the male parent seeds are soaked in stages and sowed in the same period. After the emergence of the seedlings, three types of robust seedlings of big, medium and small are formed obviously in the fatherland line of the same land, which prolongs the loose powder period. The method is, in determining the sowing pre-4 ~ 6d (according to the soaking time of the temperature and water temperature), 1/5 of the male parent seeds soaked to the bud when planting about