The effect of boscalid against Sclerotinia sclerotiorum

Kaiser 50% bosonacamide water dispersible granules is a new type of aniline fungicide. In 2009, the author conducted a field efficacy trial on the effect of the drug on Sclerotinia sclerotiorum.

The test was conducted at 9:00 am on March 23. The rapeseed planting rate was 98%, and the water consumption per mu was 50 kg. From May 28 to 30, the prevention and control effect of rape sclerotium was basically determined. The control rate of diseased plants with 24%, 36g, and 48g of 50% boscalid dispersible granules per mu was 81.03%, 83.81%, and 87.46%, and the disease index control efficacy was 82.72% and 84.31%, respectively. 87.97%; 50% carbendazim WP 100 gram per acre, 52.01% disease control rate, 64.41% disease condition control index, and 50% iprophyrin WP 80 gram per acre The rate control effect was 78.6%, the disease index control effect was 79.56%, and 22% of synergistic carbendazim WP was used per acre and the disease rate control effect was 75.97%, and the disease index control effect was 77.55%; The control rate of diseased plants with 50% sclerotinium and WP 100 g was 76.62%, and the disease index control effect was 72.15%.

The test results show that boscalid has obvious control effect on Sclerotinia sclerotiorum disease. The rate of one-time control of the diseased plant and the disease index control efficacy can reach more than 80%, which is superior to the other agents currently popularized and applied. Higher than carbendazim's efficacy. The use of 50% boscalid dispersible granules to control Sclerotinia sclerotiorum, in general years 24 to 36 grams per acre, occurs in the biased year 36 to 48 grams per acre medication


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