Effect of desiccants on grain moisture and maturation time of soybean variety Svetlaya

Zaharova, M. N.; Рожкова, Л. В.

doi:10.32634/0869-8155-2022-355-1-90-92

Agrarnaâ nauka

2022

DOI: 10.32634/0869-8155-2022-355-1-90-92

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Effect of desiccants on grain moisture and maturation time of soybean variety Svetlaya

M. N. Zaharova

Л. В. Рожкова

Abstract: To accelerate the maturation of soybeans and the possibility of timely mechanized harvesting, chemical preparations — desiccants (for drying plants on the root) are used. The results of 2-year tests of desiccants on their effect on grain moisture and crop yield are presented. It was found that when using desiccants, the moisture content of soybean grain decreased on the 7th day of the spraying field by the amount from 12,0 to 12,6% and the yield increased by 119,8–134,6%.

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Effectiveness of the use of desiccant “Dictator, VR” on soybean crops (<i>Glycine max</i>) in the conditions of the Central European part of the Russia

Левакова

Гуреева

2022

Agrarnaâ nauka

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Relevance. In the Ryazan region in recent years the acreage under soybeans has been growing. Given the ever-growing demand for soybeans as a high-protein and oilseed crop, the priority is the development of chemical methods that affect the acceleration of maturation.Methods. A variety of soy Kasatka was taken for research. In the experiment, the effect of desiccant “Diktator, VR” (AD — 150 g/l of diquat in the form of dibromide) was studied. Experimentaloptions: 1) “Diktator, VR” 1.5 l/ha; 2) “Diktator, VR” 2.0 l/ha; 3) control (without desiccant). The studies were carried out by field and laboratory methods using appropriate techniques.Results. The results of the experiment showed that all the studied doses of desiccant after 2–3 days dry the leaves of the culture well. Analysis of the dynamics of the decrease in the moisture content of soybean grain showed that both dosages of “Diktator, VR” were effective (at a dosage of 1.5 l/ha, the moisture content of soybean seeds decreased by 4.6–6.3%; 2.0 l/ha — by 2.9–4.6%). The decrease in the number of weeds was 80.3–84.8% (2020) and 78.0–84.1% (2021), the reduction in the mass of weeds was 81.1–81.8% (2020) and 80.0–81.5% (2021). Germination energy in all variants of the experiment had high indicators — 90.0–95.0%, viability — 92.0–97.0%. The desiccant did not have a negative effect on the yield of soybean seeds. On average, the yield of soybeans using this desiccant at a rate of 1.5 l/ha was 2.05 t/ha, at a rate of 2.0 l/ha — 2.02 t/ha, control — 2.10 t/ha. Desiccation did not have a negative effect on the quantitative chemical composition of soybean seeds, which was approximately the same as the control. So, on average, the protein content in the soybean seeds of the Kasatka variety was at a high level — 41.5–41.7%, the oil content also was at optimal amount — 17.6–17.8%. The most effective dosage of desiccant “Diktator, VR” on soybean crops is the norm of 1.5 l/ha.

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Effectiveness of the use of desiccant “Dictator, VR” on soybean crops (<i>Glycine max</i>) in the conditions of the Central European part of the Russia

Левакова

Гуреева

2022

Agrarnaâ nauka

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Effect of desiccants on grain moisture and maturation time of soybean variety Svetlaya

Cited by 1 publication

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Effectiveness of the use of desiccant “Dictator, VR” on soybean crops (<i>Glycine max</i>) in the conditions of the Central European part of the Russia

Effectiveness of the use of desiccant “Dictator, VR” on soybean crops (<i>Glycine max</i>) in the conditions of the Central European part of the Russia

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