除草剂在乌克兰森林草原高粱种植中的应用效果

Q3 Agricultural and Biological Sciences Agriculture and Forestry Pub Date : 2021-12-24 DOI:10.37128/2707-5826-2021-4-18
O. Kolisnyk, K. Mazur
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引用次数: 0

摘要

近年来,由于乌克兰森林草原地区气候日益干旱,扩大抗旱和耐热作物种植的需求显著增加。适于这种条件的作物之一是高粱。然而,在其种植技术中,有一些时期需要农民最大的关注,以确保形成高和可持续的产量。在此之前,它涉及植物保护。田间试验于2021年在文尼察国立农业大学的研究农场“Agronomichesky”进行。研究地点位于乌克兰右岸森林草原地带。研究表明,在化学除草地区,施用20 g/ha的除草剂Peak可使高粱籽粒产量最高(4.04 t/ha),仅比人工除草少0.22 t/ha。这说明该药物对高粱植物具有较弱的毒性作用,创造了有利的条件。在使用Prima除草剂时,当用量为0.4 l/ha时,籽粒产量最高(3.56 t/ha)。剂量的进一步增加导致植株受到抑制,高粱籽粒产量下降。使用Grantox时,最佳用量为0.7 l/ha,可保证籽粒产量达到3.61 t/ha。增加除草剂剂量会抑制高粱植株生长,降低其产量。根据研究结果,制定了新的改良的粮食高粱栽培优化农业技术措施,有助于在研究区内更充分地发挥植物遗传潜力,提高产量,降低生产成本。
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EFFICACY OF HERBICIDES APPLICATION IN GROWING SORGHUM IN THE FOREST STEPPE OF UKRAINE
In recent years, due to the increasing aridity of the climate in the forest-steppe zone of Ukraine, the need to expand crops of drought- and heat-resistant crops has increased significantly. One of the crops suitable for such conditions is sorghum. However, in the technology of its cultivation there are some periods that require the greatest attention of farmers to ensure the formation of high and sustainable yields. And before that it concerns plant protection. Field experiments were conducted in the conditions of the research farm "Agronomichesky" of Vinnytsia National Agrarian University in 2021. The research sites are located in the zone of the right-bank Forest-Steppe of Ukraine. Studies have shown that in areas with chemical weed control, the highest yield of sorghum grain (4.04 t / ha) was provided by the application of the herbicide Peak at a dose of 20 g/ha, which is only 0.22 t/ha less than options with manual removal weeds. This indicates the creation of favorable conditions and weak phytotoxic effect of this drug on sorghum plants. When using the herbicide Prima, the best grain yield (3.56 t/ha) was when it was applied at a dose of 0.4 l/ha. Further increase in dose led to plant suppression and reduced sorghum grain productivity. When using Grantox, the optimal dose was 0.7 l/ha, which ensured the formation of grain yield of 3.61 t/ha. Increasing the dose of the herbicide led to the suppression of sorghum plants and a decrease in its grain productivity. According to the research results, new and improved optimized agrotechnical measures for grain sorghum cultivation have been developed, which in the research zone contribute to the fuller realization of plant genetic potential, thus increasing yields while reducing production costs.
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来源期刊
Agriculture and Forestry
Agriculture and Forestry Environmental Science-Nature and Landscape Conservation
CiteScore
1.60
自引率
0.00%
发文量
58
审稿时长
15 weeks
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