MySheen

Key points of Prevention and Control of main Diseases in Middle and late stage of Rice

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, Symptoms of damage: symptoms appeared in the later stage of seedling field, and the symptoms were significant in the peak tillering stage. The diseased plant is dwarf, the leaf color is light green; the yellow-white dot on the leaf is round or oval, often connected into a linear shape; after booting, the diseased plant is significantly dwarfed, and the plant height is less than 1/2 of the healthy plant. The leaves are short and thick, and the heart leaves are yellow and white, sometimes bent or twisted.

1. Control of rice blast: mainly focus on the control of leaf blast and panicle and neck blast. Control of ① leaf blast: spray 60kg of water with 20% tricyclazole wettable powder 100g? M mu, or 75% tricyclazole wettable powder 25g? M mu, or thiocyclazole 150g-200g? M mu, once every 5 days, even twice. Control of ② panicle and neck rice blast: the critical period is the breaking period. Choose 75% tricyclazole wettable powder 30g / mu or 40% Fuji No. 1 EC 150ml / mu, or 21.2% plus 100g / mu, spray 60kg of water, once every 5 days, even twice. 2. control of rice false smut and sheath blight: the best period for the control of the two diseases is from booting stage to heading stage. In the booting stage, choose: Jinggangmycin 50 g? M mu + 15% triadimefon 100 g? M mu; or 75% rice wettable powder 40 g? M mu, or 30% clean seedling EC 20 ml? M mu, spray control with water 60 kg; in the rice break stage, combined with panicle blast prevention, tricyclazole + Jinggangmycin + triadimefon or rice amide or love seedling EC was applied to control rice false smut and sheath blight.

 
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