Prevention and Control Techniques of Rice Black Stripe Dwarf Disease

1. Strategic prevention and control Do a good job of comprehensive chemical control of weeds in the fields in winter and farmland, and use 40% chlorpyrifos (Xin Nongbao) 100 ml plus 10% imidacloprid 30-50 g for 40 kg of water to control the reduction of rice planthoppers. Source of poison. 2. The control period of hybrid rice seedlings from the 3rd to the 7th leaf stage and the early field stage is the key period for the propagation of rice planthoppers, and it is also the main suitable period for the control of the planthoppers. The seed is first applied to 10 grams of imidacloprid during seeding. Putian early planting Honda is suitable for pest control and disease prevention. In the appropriate period, there are 1.5 rice planthoppers per square meter of poisonous rice or 0.2 in the early stage of the field, and chemical control should be done immediately. 3. Pharmaceutical control technology used pymetrozine, psomethazine, chlorpyrifos and other counterparts, and established the key period of seedling control in the 3-6 leaf stage and early field stage, and continued to do well in the key period. The control of the nymphs of the second and third generations of nymphs before their occurrence. In the epidemic area, the dosage and the number of prevention and treatment should be increased. After each control, the amount of remaining insects still meets the prevention and control targets, and the use of drugs should be continued. In order to improve the effect of disease control, it is necessary to implement unified defense rules to achieve unified prevention and control at a unified time and ensure effective control in large areas. 4. Emergency remedial measures Remove the diseased plants (clusters) in time within 20 days after transplanting rice, and then put them into the mud and bury them. Then take out half of the tillers from the tussock and plant them on the side of the cavities left behind by the diseased plexus and apply them properly. Fast-acting fertilizer, 80 grams of Dr. Paddy Rice, 40 kg of water spray, favorable early rice sprouts rapid development, prompting the rice seedlings to restore population growth and enhance anti-virus ability.

     Product Dimesnion: 6.18" x 4.13" /15.70cmx10.50cm

     Mask Fabric Material: 5-ply material,100% polypropelyne

     Ear Loop Material: 70% polyamide, 30% elastane

     when to use: suitable for adults to use daily in a variety of settings such as home, outdoors and work

     packaging: 5 pcs of mask in one sealed printed plastic bag to ensure hygiene or 10pcs per box

     certification/standard: GB2626-2006(China KN95 standard) and FDA registered

     about the manufacturer: Kapanou is china-based healthcare company

KN95 Mask With Valve

KN95 Mask with Filter, KN95 Mask with Exhalation Valve, KN95 Mask with Valve FDA GB2626-2006, Anti Dust Fog PM2.5 KN95 Mask with Valve

Ningbo Debeida Science&Technology Co.,ltd. , https://www.dbdmask.com

Posted on