Acta Scientific Agriculture (ASAG)(ISSN: 2581-365X)

Research Article Volume 7 Issue 12

The Role of the Flag Leaf in the Formation of the Yield of Winter Wheat (Triticum aestivum L.) Plants

Platovschii Nicolai*

Institute of Genetics, Physiology and Plant Protection of the Moldova State University, Republic of Moldova

*Corresponding Author: Platovschii Nicolai, Institute of Genetics, Physiology and Plant Protection of the Moldova State University, Republic of Moldova.

Received: November 02, 2023; Published: November 28, 2023

Abstract

During the period of heading and grain ripening, the characteristics of photosynthesis of the flag leaf and the structure of the yield of wheat plants of the varieties Moldova 5, Missia, and Kuyalnik were studied. The plants were cultivated in 2016-2019 in the experimental field of the Institute of Genetics, Physiology, and Plant Protection of the Academy of Sciences of Moldova, on the outskirts of Chisinau. It was shown that the total duration of the phases of grain formation and ripening in an ear of wheat variety Moldova 5 was 26 days, and for the Misiya and Kuyalnik varieties, it was 33 days. At all phases of grain formation in the Moldova 5 e variety, there was a tendency towards the manifestation of lower photosynthetic activity of the flag leaf compared to that detected in the flag leaf of the other two wheat varieties. During three years of cultivation, the estimated wheat grain yield in Moldova 5, Missia, and Kuyalnik varied from 3.76 to 4,20 - 3,82 - 4,30 and 3,80 - 4,25 tons per hectare. The obtained data suggest that based on a comparison of the specifics of the daily dynamics of PS2 activity in the flag leaf of plants being in the same phase of grain development, it is possible to distribute wheat genotypes according to their productivity under given environmental conditions. Because the duration of grain formation and ripening in the ear varies depending on environmental conditions (mainly temperature and humidity), to correctly determine the potential productivity of the genotype, testing of the wheat varieties should be carried out in different climatic zones.

Keywords: Hexaploidy Wheat; Varieties; Flag Leaf; Photosystem Two; Heading Phases; Productivity

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Citation

Citation: Platovschii Nicolai. “The Role of the Flag Leaf in the Formation of the Yield of Winter Wheat (Triticum aestivum L.) Plants ". Acta Scientific Agriculture 7.12 (2023): 49-55.

Copyright

Copyright: © 2023 Platovschii Nicolai. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.




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