Autumn and winter sprouts of celery are susceptible to four diseases
The autumn and winter wolfberry celery is cultivated using greenhouses, greenhouses, and other facilities. Because of the high temperature and humidity in the protected area, it is prone to diseases. The prevention and control measures for the four common diseases are briefly described below.
Soft rot mainly occurs on the base and stem of petiole. Water-soaked, light-brown spindle-shaped or irregular-shaped depression spots appeared first, followed by wet rot and black stinky, leaving only the epidermis. The pathogens in the soil overwinter, invade from the wound, spread through rain or irrigation water. Humidity is high when the humidity is high, and sometimes it is mixed with frost damage or other diseases. Prevention and control measures: 3 years or more of crop rotation; avoiding root damage when transplanting or loosening soil; timely draining after rain; discovering diseased plants in time for excavation, disinfecting lime, reducing watering or suspending watering; 72% of agricultural use at the initial stage of disease Streptomycin sulfate wettable powder 3000 times spray control.
Spot blotch mainly damages the leaves. In the early stages of the disease, the lesions were round or irregular in shape, with sharp edges, yellowish-brown, and gray-white centers with scattered black dots. Severe illness when cold, high humidity, heavy rain, or weak plants. Preventive measures: strengthen field management, enhance plant resistance to disease; reduce humidity and humidity, reduce temperature difference between day and night, reduce condensation, not flood irrigation, can be submerged under the membrane; the beginning of the disease can be sprayed with 5% chlorothalonil dust agent, each One kilogram per mu of medication, you can also spray 75% chlorothalonil WP 600 times or Garnett 47% Chunlei Wang copper wettable powder 500 times liquid control.
Sclerotinia mainly harms stems and leaves. At the beginning of the disease, the disease was brownish and immersed. When the humidity was high, soft rot was formed and white mycelium was produced on the surface. Afterwards, rat sac-like nucleus was formed. The temperature is 15°C and the relative humidity is above 85%. Preventive measures: 3 years of rotation with other crops; at the beginning of the disease, 50% procymidone WP or 50% iprodione WP or 70% thiophanate-methyl wettable powder 600 times can be sprayed. You can spray 5% chlorothalonil dust, 1 kg per acre.
Virus disease will suffer from the entire plant, with leaf shrinkage, mosaic and other symptoms. Viruses spread in the field mainly through locusts and can also be manipulated to contact with viruses. Poor cultivation and management conditions, drought, a large number of aphids, the incidence of heavy. Prevention and control measures: control locusts; strengthen fertilizer and water management, promote plant growth and robustness, and improve disease resistance; early stage of disease spraying, phytosanitary 1.5% alkanol sulfate, copper sulphate, water emulsion 1000 times or virus A 20%, erbium copper acetate wettable powder 500 times liquid prevention.
Lose Weight Ingredient (weight loss, Weight Control) supplier Organic Herb Inc's range of products include: Safflower Extract (Carthamin), Strawberry Extract, cacao extract (cocoa flavanols ), moyeam tea extract (Dihydromyricetin), black rice extract (anthocyanidin), Apple Extract Polyphenol, Griffonia Simplicifolia Extract (5-HTP), Mulberry Leaf Extract (1-Deoxynojimycin) etc.
Many people is struggled to lose weight .It is still not clearly understood the reason why some people will get overweight .However ,scientific studies showed some of the natural plant extract may help us to control weight. The herbal extracts manufacturer and provider-- Organic Herb Inc is a China-based company which is committed to producing ,developing and exploring a wide rang of natural plant extracts with weight lose ingredient .OHI has been using fresh organic raw materials and following highest standard of manufacture to produce Lose Weight extract powder to ensure the safety and benefit of our customers over the world.
Lose Weight Ingredient,Coffee Bean Extract,Nutritional Ingredient Lose Weight,Lose Weight Slim Ingredient
Organic Herb Inc. , https://www.extracts.pl