高粱生产上常有灌浆不良、形成秕粒的现象发生,由此而造成减产10％～20％,以往笼统地称之谓早衰。人们对早衰原因众说不一,有人认为是栽培技术上的过失,有人认为是环境因素影响,有人认为是一种生理病害,还有人认为是后期穗部养分倒流所致,提倡早收早割。1980年牛天堂曾在《山西农业科学》发表文章,否定了养分倒流等说法,认为是 Sorghum often produce poor grouting, the formation of nodules phenomenon, resulting in 10% to 20% reduction, in the past generally referred to as premature senility. People talk about the causes of premature aging, some people think that is the cultivation of technical errors, some people think that environmental factors, some people think that is a physiological disease, there are people think that due to the late spike nutrient backwards, to promote early harvest. Cow heaven in 1980, “Shanxi Agricultural Sciences,” published an article, denied the idea of ​​nutrient backflow, etc., that