Herbological condition of buckwheat crops in the range change

Vavrynovych, Oksana; Kachmar, Oksana; Dubytska, Anhelina; Dubytskyi, Oleksandr; Shcherba, Mariia

doi:10.32636/01308521.2021-(70)-1-4

FMAS

2020

DOI: 10.32636/01308521.2021-(70)-1-4

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Herbological condition of buckwheat crops in the range change

Oksana Vavrynovych¹,

Oksana Kachmar²,

Anhelina Dubytska³

et al.

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2024

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“…The interaction between crops and weeds in legume crops has its own characteristics, because in the first period of the growing season they grow very slowly and have little effect on the growth conditions of weeds, so there is a rapid growth of segetal vegetation. Root secretions enriched with nitrogen and other compounds improve the feeding conditions of weeds [2].…”

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Impact of Herbicides on the Formation of Chickpea Yield

Shkatula

2022

Agr.and Forest

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One of the main reasons for the decline in the yield of chickpea seeds is the high weediness of crops. It is determined by the potential stock of weed seeds in the soil and its long-term viability. The presence of large amounts of weed seeds in the soil creates significant problems for growing chickpeas. Therefore, the assessment of weed efficiency of any farming system or its component should be based on quantitative changes in potential soil weeds. The interaction between crops and weeds in chickpea crops has its own characteristics, because in the first period of the growing season they grow very slowly and have little effect on the conditions of weed growth, so there is a rapid growth of segetal vegetation. In the technology of growing chickpeas in the plant protection system traditionally use the chemical method. However, even with high efficiency, this method does not always give the desired results, there is a violation of ecological balance in agrocenoses, reduction of species biodiversity, contamination of soil and plants with chemicals, reducing product quality. Observance of agrotechnologies, constant phytosanitary monitoring, effective diagnostics and forecast of development and spread of harmful organisms in chickpea crops are important in ensuring proper phytosanitary condition. Regulation of weeds and their harmful effects in agrophytocenoses of chickpea drawing them to an economically harmless level is a significant condition in the technology of its cultivation. The main control of weeds is done at the beginning of the growing season, because at this time chickpeas grow very slowly, and are in the rosette phase for a long time, and therefore cannot withstand competition from weeds. To increase the yield of chickpea seeds, an important place in the technology of cultivation belongs to the use of herbicides and biological products. Inoculation of chickpea seeds with Rhizobophyte at a rate of 1 l / t and a biofungicide Biopolicide at a rate of 100 ml / t and application of soil herbicide Frontier Optima, 72% e. c., at a rate of 1.2 l / ha help to reduce weeds up to 91%, and the capacity to obtain a yield of chickpea seeds at 2.12 t / ha

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confidence: 99%

Impact of Herbicides on the Formation of Chickpea Yield

Shkatula

2022

Agr.and Forest

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Interaction of cultivated plants and weeds in ten-field crop rotations

Yeshchenko,

Koval,

Naklyoka

2024

Agrobìologìâ

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At the Department of General Agriculture of the Uman University of Horticulture the study of allelopathic relationships of cultivated and weedy plants was conducted for a long time in a stationary experiment with 10-field crop rotations: typical option 11 – the first field – corn for green mass; the second is winter wheat; the third – sugar beets; the fourth – barley with clover seeding; the fifth – clover; the sixth – winter wheat; the seventh – sugar beets; the eighth – peas; the ninth – winter wheat; the tenth is corn. In variant 1 corn was grown in the third field instead of sugar beets in the standard variant; in variant 2 instead of corn in the tenth field – sunflower, in va riants 7 and 8 – sugar beets and winter wheat, respectively. In variant 4 maize was grown in the last three fields of the typical variant 11. The test crop in our experiment was corn for green mass, therefore, in the final year of the second crop rotation the species composition of weeds in these crops plantations was determined. It turned out that in a typical crop rotation chicken millet and yellow bristle were the main polluters. The proportion of these weeds increased in crop rotations 1 and 4, and decreased in crop rotation 7, where the proportion of broad-leaved weeds increased. The total number of weeds decreased in crop rotation 2, where sunflowers were grown instead of corn in the tenth field. A positive relationship has been established between the root residues of crops and weed seeds germination in the following paired combination: corn – chicken millet; sugar beets – white quinoa; sugar beets – common amaranth and sugar beets – yellow bristle. In another vegetation experiment the soil taken from the rhizosphere of corn contributed to chicken millet germination, and the soil from sugar beets stimulated seeds germination of white quinoa and common amaranth. The soil from sunflower rhizosphere significantly reduced seed germination intensity of common amaranth and yellow bristle. Water extracts from chicken millet and yellow bristle had a negative effect on the initial corn growth, the extracts from white quinoa practically did not affect both growth indicators, and the extracts from common amaranth contributed to corn plants height while simultaneously increasing their weight. Key words: crop rotation, weeds, root residues, water extractions.

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Herbological condition of buckwheat crops in the range change

Cited by 2 publications

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Impact of Herbicides on the Formation of Chickpea Yield

Impact of Herbicides on the Formation of Chickpea Yield

Interaction of cultivated plants and weeds in ten-field crop rotations

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