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Features distribution of plants in wheat agropopulation on classes of the variation of elements efficiency of the ear

Vegetation conditions essentially affect distribution of plants in agropopulation of durum wheat on classes of a variation number of spikelets, quantities kernels an  ear and their weight. Among cultivars of the Saratov selection in the conditions of extreme year on agroclimatic conditions it is characteristic various number of plants: to age–old cultivars – the small classes, to new cultivars – the big classes of a variation. Favorable agroclimatic conditions raise number of the plants carried to higher classes of a variation of elements of efficiency of an ear.

Influence of spectral structure of light on development kernel of summer soft wheat

Experimental data on influence of light of various quality on formation kernels wheat during the period embryogenesis are resulted. Linear parametres of development of separate structures kernel in various conditions of vegetation of plants are established.

Cultivare features of development of envelopes kernel of the winter wheat

Experimental data on a thickness of envelope kernels in different years of vegetation of plants, to parametres and dynamics of development of cross cells pericarp seeds of grades of a winter wheat are resulted.