Adaptive Fodder Production | VOL. 2022
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Грибные болезни многолетних бобовых трав в Белгороде

Publication Date Sep 12, 2022

Abstract

We analyzed soil samples and symptoms of mycoses of red clover, goat's rue, alfalfa, birds-foot trefoil, sandy sainfoin in the phase of budding-beginning of flowering of plants against a natural infectious background in small-plot experiments in the territory of the botanical garden of the National Research University "BelSU" (Belgorod, RF). As a result, a series of decrease in the number of propagules of soil microscopic fungi (thousand CFU/g) was compiled: alfalfa (27.8 ± 4.01) – birds-foot trefoil (23.5 ± 2.25) – sainfoin (18.3 ± 1.67) – clover (17.3 ± 2.43) – goat's rue (13.7 ± 1.21) – fallow (12.3 ± 1.73). The number of micromycete species in the fallow soil was 38, and 9–22 species decreased in the grass rhizosphere. On red clover plants, powdery mildew was recorded with an intensity of development and spread of 64% and 75%, respectively, with a shortage of green mass productivity of more than 50%. The loss of green mass productivity in clover Alternariosis was 81%. Rust of alfalfa, birds-foot and sainfoin led to losses in the productivity of green mass up to 14% and was noted with a prevalence of 20%. Symptoms of purple rhizoctoniosis, fusarium root rot, black mold, downy mildew, and yellow spot were also recorded. More than 80% of phytopathogenic fungi are representatives of the leaf-stem group, the rest are of the root-tuber group.

Concepts

Birds-foot Trefoil Green Mass Productivity Natural Infectious Background Red Clover Plants Fusarium Root Rot Grass Rhizosphere Black Mold Small-plot Experiments Analyzed Soil Samples Fallow Soil

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No potential conflict of interest was reported by the authors. The conception and design of the study, acquisition of data, analysis and interpretatio...

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