Abstract
Herbologists have calculated that in an integrated system for protecting crops from weeds, diseases and insect pests, up to 30% of productivity can be saved by treatment with herbicides. One of the most malicious and hard-to-eradicate weeds that infest winter wheat sowings is the bread (field) windgrass (Apera spica-venti L.). There have been presented the results of 3-year trials of post-sprouting herbicides ‘Puma Super 100, KE’ (100 g/l fenoxaprop- P-ethyl + 27 g/l antidote mefenpyr-diethyl) and ‘Aksial, KE’ (45 g/l pinoxaden + 11.25 g/l antidote clokvitoset-mexil), used on winter wheat sowings to reduce weediness with windgrass and to increase wheat productivity. The purpose of the study was to identify biological and economic efficiency of these products and to assess their effect on the phytosanitary state of winter wheat sowings. The conducted estimation of the herbicides’ utilization in the protection of winter wheat from the windgrass identified their efficiency in reducing the contamination of sowings from 89 to 100% and in increasing wheat productivity. The use of herbicides in a period of spring tillering contributed to the improvement of phytosanitary state and an additional yield of winter wheat grain from 0.25 to 0.46 t/ha.
Highlights
Ученые-гербологи подсчитали, что в интегрированной системе защиты посевов от сорняков, болезней и вредителей-насекомых до 30% сохраненного урожая обеспечивается обработкой гербицидами
Herbologists have calculated that in an integrated system for protecting crops from weeds, diseases and insect pests, up to 30% of productivity can be saved by treatment with herbicides
There have been presented the results of 3-year trials of post-sprouting herbicides ‘Puma Super 100, KE’ (100 g/l fenoxaprop-P-ethyl + 27 g/l antidote mefenpyr-diethyl) and ‘Aksial, KE’ (45 g/l pinoxaden + 11.25 g/l antidote clokvitoset-mexil), used on winter wheat sowings to reduce weediness with windgrass and to increase wheat productivity
Summary
Ученые-гербологи подсчитали, что в интегрированной системе защиты посевов от сорняков, болезней и вредителей-насекомых до 30% сохраненного урожая обеспечивается обработкой гербицидами. Приведены результаты трехлетних полевых испытаний послевсходовых гербицидов Пума Супер 100, КЭ (100 г/л феноксапроп-П-этил + 27 г/л антидот мефенпир-диэтил) и Аксиал, КЭ (45 г/л пиноксадена + 11,25 г/л антидот клоквитосет-мексил), применяемых для снижения засоренности посевов озимой пшеницы метлицей полевой и повышения урожайности культуры. Проведенная в условиях Рязанской области оценка эффективности гербицидов для защиты озимой пшеницы от метлицы полевой выявила их высокую эффективность в снижении засоренности посевов культуры от 89 до 100% и в повышении ее урожайности.
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