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^ШХР: *https://www.cambridge.org/core/journals/weed-technology/all-is sues (https://www.cambridge.org/core/journals/weed-technology/all-iss ues)
^АВТ: Miller M.R.; Norsworthy J.K.
^ЗГЛ: Row Crop Sensitivity to Low Rates of Foliar-Applied Florpyrauxifen-benzyl [Оценка чувствительности рядковых культур (сои, хлопчатника, кукурузы, зернового сорго, подсолнечника) к низким дозам флорпироксифен-бензила при опрыскивании им листьев (имитация сноса). США]
^ВЫХ: Weed Technology, 2018; Vol.32,N 4. - P. 398-403
^ДАТ: 2018
^ПРМ: Bibliogr.:p.403
+Реферат:

^РЕФ: In a greenhouse experiment, soybean, cotton, corn, grain sorghum, and sunflower were subjected to 1/10 (3 g ai ha-1), 1/100 (0.3 g ai ha-1), or 1/500 (0.06 g ai ha-1) of the 1X rate of florpyrauxifen-benzyl. Visible injury 14 days after treatment (DAT) was the greatest with soybean (96%) when exposed to the highest drift rate of 1/10x or 3 g ai/ha-1 of florpyrauxifen-benzyl and was significantly higher than all other crops and drift rates. Cotton and sunflower were also injured 85 and 83%, respectively, by the 1/10x rate but had less injury when a 1/100x or 1/500x rate was applied (injury ranging from 9 to 33%). It was concluded that the negative effects on soybean, cotton, and sunflower primarily resulted from exposure to the highest rate tested (1/10x) and only soybean expressed negative effects even at the lower rate of 1/100x. A field study was also conducted to (1) evaluate the sensitivity of soybean to low concentrations of florpyrauxifen-benzyl during vegetative and reproductive development and (2) compare soybean injury and yield following applications of florpyrauxifen-benzyl and dicamba across various growth stages and concentrations. Soybean plants were treated with 1/10, 1/20, 1/40, 1/80, 1/160, 1/320, or 1/640 of the 1X rate of florpyrauxifen-benzyl (30 g ai/ ha-1) or dicamba (560 g ae ha-1) at the V3 and R1 growth stage. Florpyrauxifen-benzyl applied at a rate of 1/10 to 1/40X caused foliar injury and subsequent height reduction. In comparison, dicamba applied at the same rates caused slightly less injury and growth reductions. As rate of florpyrauxifen-benzyl decreased from 1/10 to 1/640X, the level of soybean injury dissipated rather quickly. However, this was not the case with dicamba, as substantial injury was observed with rates as low as 1/640X. aref1

^TRN: 1906507
^ВИД: Статья из книги
^ЯЗК: Английский
+Индексирование:

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