INFLUENCE OF COPPER-CONTAINING AGROCHEMICAL ON GRAPE PRODUCTIVITY INDICATORS
نویسندگان
چکیده
The studies were carried out to determine the biological effectiveness and fungicidal activity of copper-containing agrochemical, as well its effect on productivity grape plants. work was in Rostov region 2019-2021 fruit-bearing plants Cabernet Sauvignon variety. experiment scheme included following options: without top dressing (control); agrochemical (3-fold foliar feeding) at doses 0.5, 1.0 1.5 l/ha. first feeding after flowering, second third - 20 40 days first. Top morning or evening hours absence precipitation gusts wind. consumption working solution is 1000 repetition three times. most significant increase mass bunches from one bush, compared with control, noted variant a dose 0.5 A number berries bunch their weight variants average berry, all experiment. when using drug l/ha greater than but less other yield bushes variety (by 26.2%), concentration sugars juice significantly higher 0.7...1.0 g/100 cm2) control. Fertilizing 1.0, increased resistance mildew, especially To plants, it advisable use reduce pesticide load against background protective treatments recommended
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ژورنال
عنوان ژورنال: Vestnik of Kazan State Agrarian University
سال: 2023
ISSN: ['2073-0462']
DOI: https://doi.org/10.12737/2073-0462-2023-5-11