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Perspective herbicides for post-sowing use in narrow-leafed lupin crops
https://doi.org/10.26898/0370-8799-2024-2-9
Abstract
Technical and economic efficiency of Pilot herbicide when applied on green leaf in narrow-leafed lupine crops was studied. The research was conducted in field and plot experiments according to the generally accepted methods in the southwestern part of the Non-Chernozem zone of Russia. The soil of the experimental field was gray forest light loamy in mechanical composition. The following application rates of the preparation were used: 1.5, 2.0 and 2.5 l/ha in the phase of appearance of two true leaves in lupine. The following plants showed high sensitivity even at the minimum application rate: cleavers (Galium aparine L.), wild buckwheat (Fallopia convolvulus L.), lamb's-quarters (Chenopodium album L.), one of the types of hemp nettle (Galeopsis sp. L.), shepherd's purse (Capsella bursa pastoris L. Medik), field violet (Viola arvensis Murr.), chickweed (Stellaria media L.). Application of GalactAlt graminicide (application rate 1.0 l/ha) after treatment of narrow-leafed lupine crops with Pilot herbicide promoted almost complete destruction of annual grass weeds. Application of Pilot herbicide had a favorable effect on nitrogen content in both dry aboveground mass and root mass of lupine. Reduction of weediness of crops when using Pilot contributed to the increase in lupine yield. In the variant with the application of 1.5 l/ha of the herbicide, the average yield of narrow-leafed lupine seeds exceeded the control by 0.53 t/ha in three years of the trials. The highest increase in seed yield of narrow-leafed lupine (0.96 t/ha) was observed in the variant that involved the application of herbicide Pilot at a concentration of 1.5 l/ha in the phase of one or two true leaves in lupine and herbicide GalactAlt at a concentration of 1.0 l/ha in the phase of lupine budding. Chemical analyses showed an increase in crude protein content in narrow-leafed lupine seeds by 2.3–4.2% when the crops were treated with Pilot herbicide compared to the control variant, where the treatment was not carried out.
Supporting agencies: The work was performed within the framework of budget financing of the Program of Fundamental Scientific Research (No. 0597-2019-0022).
About the Authors
T. N. Slesareva
The All-Russian Research Institute of Lupin – Branch of the Federal Williams Research Center of Forage Production and Agroecology
Russian Federation
Russian Federation
Tatyana N. Slesareva, Candidate of Science in Agriculture, Lead Researcher
Mitchurinsky, Bryansk region
N. V. Misnikova
The All-Russian Research Institute of Lupin – Branch of the Federal Williams Research Center of Forage Production and Agroecology
Russian Federation
Russian Federation
Nadezhda V. Misnikova, Candidate of Science in Agriculture, Scientific Secretary
2, Berezovaya St., Michurinsky, Bryansk Region, 241524
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Review
For citations:
Slesareva T.N., Misnikova N.V. Perspective herbicides for post-sowing use in narrow-leafed lupin crops. Siberian Herald of Agricultural Science. 2024;54(2):77-85. (In Russ.) https://doi.org/10.26898/0370-8799-2024-2-9
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