Abstract
This article shows the relationship between the content of photosynthetic pigments of spring barley varieties in the conditions of the dry-steppe zone of Northern Kazakhstan, including changes in the content of chlorophyll a( Chla), chlorophyll b (Chlb) and carotenoids during tillering, output into the tube and earing, and the yield level over the years of research. It is proved that according to the genotypes of spring barley, the high content of photosynthetic pigments in the leaves (With Chl a-0.42, C car-0.083) during the earing of plants has a positive correlation between yield, which is confirmed by images of linear dependence.
The picture of the level of correlation, determined by the results of mathematical analysis, is also confirmed by images of linear dependence. Along with the low content of chlorophyll b (Chlb), it is obvious that the yield of barley varieties is far from the dependence line, while the amount of chlorophyll a (Chla) and carotenoids is close to the dependence line of the productivity of crop varieties. Productivity is directly related to the nature of photosynthetic processes occurring at the stages of plant growth and development. In turn, the course of photosynthetic processes directly depends on the amount of photosynthetic pigments in the leaves of plants.
It is proved that according to the genotypes of spring barley, the high content of photosynthetic pigments in the leaves (With Chl a-0.42, C car-0.083) during the earing of plants has a positive correlation between yield, which is confirmed by images of linear dependence.
A close relationship is shown between the yield level of barley culture and the amount of chlorophyll a (Chla) in plant leaves (r-0.680438), according to the complex of pigments, it is recommended to use Astana 2000, Sabir, Monolith varieties as a donor in practical breeding to increase grain yield.
01 Introduction
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02 References
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