AGROBIOLOGICAL FEATURES OF LOW-HEIGHT WHEAT VARIETIES

Abstract

The article lights cultivar studies. In global and domestic grain production since the 1950s last century have been used low-height wheat varieties. Agrobiological analysis of low-height varieties which characterized by resistance to lodging are presented. In addition, application of higher ratio of fertilizers allows to low-height forms better realized potential yield. In selection practice are known the low-height, high yield varieties with good protein content. It is possible to influence on grain protein content through additional feeding during formation and filling artificially increasing nitrogen concentration in vegetative bulk. Analysis of the cultivar changing through many decades in different countries, regions of our country allowed to identify common patterns of low-height varieties stress tolerance. Over the past 18-20 years in Russian agriculture have been observed negative trends due to deterioration professional and general culture of land users. It is known that based on the knowledge of biology, a scientifically based varietal agrotechnology is built, the essence of which is the minimum of risks, costs and maximum yield.