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每穗粒数是小麦产量构成的重要因素之一.每穗结实粒数除品种间的差异外,受环境和栽培条件的影响很大.本省丽水地区经常发生小麦雄性不育,降低结实率而减产.1979年浙江遂昌发现小麦品种姆泽契亚严重不实.但在正常条件下,小麦结实率的高低常被忽视.实际上小麦结实率的降低,对产量的影响很大.如果每亩有30万穗,每穗平均少结一粒,以每斤15,000粒计算,就要减产20斤.因此,探讨降低小麦结实率的原因,采取提高结实率的栽培措施,对小麦高产稳产具有重要意义.
Grain yield per spike is one of the important factors in the wheat yield formation.Every grain yield per panicle is greatly influenced by the environment and the cultivation conditions except for the differences among the varieties.The male sterility of wheat is often occurred in the Lishui area of the province and the seed setting rate is reduced Cut in 1979 Suichang, Zhejiang found that the wheat variety Zeze Misha serious, but under normal conditions, the level of wheat seedling often overlooked in fact reduced the rate of wheat seed yield on the yield of a great If each There are 300000 acres per acre, an average of less than a knot per ear to 15,000 grains per kilogram, it is necessary to cut 20 pounds.Therefore, to explore the reasons for reducing the rate of wheat seed set to take measures to improve the seed setting rate of high and stable yield of wheat has Significance.