Sclerotinia disease
The Sclerotinia sclerotiorum disease has been maintained at Grade 3 in recent years. Afterwards, the bacteria in the field is abundant, and the resistance of the main planting species is poor. It is estimated that in 2007, it will produce levels of 3 to 4 and produce an area of ​​7 million acres. Prevention and control of the disease should be maintained to "catch the appropriate period, automatic counterattacks, comprehensive use of drugs," the prevention and control measures, the main stem flowering strain rate of 95% or more, a branch of the flower rate in 50% of the Lord when the control. Use 25% carbendazim WP per acre 150 to 250g, or 40% sclerotin net wettable powder 100 to 150g, or 50% procymidone (sikly) WP 35 to 50g water spray Prevention. It is important to note that S. sclerotiorum has a widespread resistance to carbendazim agents, using sclerotin, procymidone, and 100 grams of carbendazim (Diacetylcarbine) and the enemy off (propiconazole ) The single agent and its compounding agent have a good result, with 25% per acre to make 100 grams of 40 to 50 milliliters, or 50% to 100 milligrams of hymexazol, or 25% to remove 25 to 30 milliliters of enemy force, or 50% of the blessing Sclerotia (Fumei pairs + sclerotia net) 80 ~ 100 grams and so on.
Rape downy mildew
Prevention of rapeseed downy mildew can be treated in sowing seeds, with 0.4% seed content of 50% thiram or 75% chlorothalonil, or 0.3% seed dressing of 25% metalaxyl. In the beginning of spring and in the beginning and end of the flowering period, it is controlled by real-time drug spraying, 75% chlorothalonil 100g per mu, or 70% mancozeb 100g, or dimethomorph (Anker, such as 69% Anke? Manganese zinc 100-130 g), or 66.5% Proplocarb (Proclamation) water 50-75 ml, or 58% Metalaxyl Manganese Zinc (Raymond Manganese-Brown) 150-175 g, or 64% caustic cream Manganese zinc (antivirus) wettable powder 120 ~ 150 grams and so on.
Rape locust
Control with pesticides such as imidacloprid, acetamiprid or pyrethroids. Use 10% imidacloprid 20 g or 4.5% beta-cypermethrin 30 ml per acre, or 3% acetamiprid EC 40 to 50 ml, or 50% anti-Aowei wettable powder 10 to 18 g, or 2.5% labor time EC 10 to 20 Add water, such as ml spray control.
Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone
Hair Removal Machine,Hair Removal Device,Best Hair Removal Device,Laser Hair Removal Device
Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizons.com