After the onset of Fusarium wilt, it is difficult to control how to control the Fusarium wilt of broad bean.

Fusarium wilt is one of the most common diseases of broad bean in recent years, which is difficult to control. Fusarium wilt will appear from broad bean emergence to flowering stage, resulting in rotten roots, dwarf plants, yellowish leaves, wilting leaves, top stems and leaves, drooping leaves, shedding leaves, black roots, few lateral roots, short, dark brown, adult rat tail, and plants are easy to pull up.

Broad bean Fusarium wilt

Chemical control: (1) Vicia faba seeds disinfection treatment, the day before sowing, use 50% carbendazim 25 grams plus water 150 million 200 milliliters and mix seeds 6 kilograms, or use 35% formic acid 25 grams / 1000 kilograms to mix seeds.

(2) seed dressing: 75% chlorothalonil wettable powder according to 0.2% of the seed amount (that is, 100 jin of seeds and 4 drugs), first mix four taels of medicine with 3 jin of water into a liquid, then sprinkle it on the broad bean seeds, sprinkle it while stirring, the liquid is evenly distributed on the surface of the seeds, dried and sown.

(3) irrigating roots. At the initial stage of the onset of broad bean Fusarium wilt, the following agents can be used for root irrigation: 50% carbendazim wettable powder 500 × 600 times, 10% Shuangxiaoling water agent 1500 × 2000 times, 25% propiconazole EC 2000 × 3000 times, 45% thiabendazole suspension 1000 times + 95% sodium sulfonate wettable powder 800x.