Research of anatomo-morphological structure of winter wheat stem in agrocenosis of the coastal forest landscape of Ukraine

Authors

DOI:

https://doi.org/10.31548/dopovidi2020.03.009

Keywords:

winter wheat, agrocenoses, length and diameter of internodes, mineral nutrition, seeding rate, lodging

Abstract

The dynamics of formation and functioning of the anatomical and morphological structure of winter wheat plant stems has been investigated. The effect of fertilizer-free background and elevated background on the length of internodes (1-3) of stems in winter wheat agrocenoses has been investigated. It has been proved that seeding rates are characterized by a significant effect on the length of the knots. The influence of mineral nutrition background and seeding rates on the main anatomical and morphological indices of winter wheat stems, in particular the thickness of the filled part of the stem and the ring of the mechanical tissue, the number and diameter of the vascular-fiber bundles were studied. It is established that the strength of the straw is largely determined by the number of vascular-fiber bundles and the size of their diameter. It was the largest on variants with a high fertilizer background. It is noted that anatomical and morphological studies provide for the development of stronger straw, which causes high resistance to seeding at seeding rate of 3 and 1.5 million pieces. seed / ha.

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Published

2020-06-22

Issue

No. 3(85) (2020)

Section

Agronomy

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