Cucumber leaf spot belongs to a bacterial disease, which is caused by Pseudomonas bacterial infection. Cucumber can be infected during the whole growth period, and the yield is reduced by 10% to 30%. The specific control methods are as follows:
1. Seed treatment and non-melon vegetable rotation for more than 2 years. Use resistant varieties. From the disease-free or disease-free plants, seeds can be soaked in warm water at 55°C for 15 minutes, or soaked for 2 hours with 3000 times neomycin, or 1.5 hours with 150 times formalin.
2. Strengthen the management and cultivation of disease-free and strong seedlings, timely release of damp and damp in protected areas, control of watering after onset of disease, use of high ridge film-covered cultivation in open field, and timely removal of sick leaves.
3. At the beginning of biological control, 72% agricultural streptomycin soluble powder, neemectin 4000 times solution, or agricultural antibiotic 120 (pyrimidine nucleoside antibiotic) water agent 100 times, 6-7 days , spray 3-4 times.
At the beginning of spraying, alternately spray 12% green milk copper emulsion 300 times, 38%?? Cream of copper pyrithione (control effect up to 93%!) 800 times liquid agent, and downy mildew at the same time, choose 77 % can kill wettable particulate powder, 58% virgin WP, 50% methicone wettable powder, 56% azoxystrobin chlorothalonil emulsifier, 49% garnet WP, 60% 100% Bacteria through wettable powder 500 times spray, 6-7 days 1, even spray 3-4 times.
At the beginning of dusting protection, spray 5% Garnett dust agent or 5% antibacterial dust agent. When it occurs at the same time as downy mildew, it can spray 12% B drop dust agent, or use 7% anti-mildew spirit dust agent. +5% antibacterial dust agent, spray 1 kg per mu, 7 days, spray 3-4 times.
Toilet Chair, with closestool similar, can cent is double use type, sponge type, cover type, sofa type wait for type, suit the old person with weak body or action inconvenient patient,which is Safe Commode Chair, do life auxiliary use. Toilet tools are common items in the home and in hospital. In the hospital, family, there are always those old people with inconvenient legs, or patients, the toilet is always very inconvenient at night, in the case of no one to care at night, the elderly want to go to the toilet by themselves is very difficult. Toilet tools are common items in the home and in hospital. Considering the actual needs of the special population, the reform of toilet tools has become a concern.This is Household Toilet Chair
|
|
Toilet Chair,Commode Chair,Safe Commode Chair,Household Toilet Chair
Haloxylon Ammodendron Medical Equipment Co., Ltd. , https://www.haloxylonhospital.com