ВЛИЯНИЕ ЭЛЕМЕНТОВ СТРУКТУРЫ УРОЖАЯ НА ПРОДУКТИВНОСТЬ СОРТОВ РИСА КОНТРОЛЬНОГО ПИТОМНИКА

П.И. Костылев, Е.В. Краснова, В.Ю. Донцова, Л.М. Костылева
2017
The results of the structural analysis of rice varieties harvest for 2015-2016 are presented in the article. Analysis was conducted on the basis of the stem density, the number of head spikelets, the mass of 1000 grains determining the biological yield. The regression analysis of 96 rice samples allowed establishing the relationships between the structure of elements and their yield. The graphs show the curvilinear dependences of yields on a number of characteristics. The maximum yield was
more » ... imum yield was formed for samples with a number of panicle spikelets: More than 90 pieces in 2015, more than 100 pieces in 2016. In 2015, samples with a mass of 1000 grains of 30-45 g were more productive, and in 2016 grains of 20-35 g. In 2015, the most efficient density of stemstones reached 250-400, in 2016 - 300-450 stems per 1 m2.
doi:10.23670/irj.2017.61.097 fatcat:fbsoce5mobdjfkzl2aegqlufb4