Purple sheath disease Symptoms After the heading of rice, dense purple needlepoint-sized purple dots are produced on the flag leaf sheath, and then gradually expand to most of the leaf sheath or the whole leaf sheath becomes purple-brown. The leaf sheath is particularly evident on the outer wall, sometimes invading the inner wall or reaching the stem deeply. The diseased sword leaves died 7-10 days earlier. Sometimes extended to the second to third leaf sheaths, but the leaves do not die, when the humidity is high, the disease part is white powder, that is, the pathogenic bacteria conidiophores and conidia. Grain lesions produce brown lesions or brown spots, and 1000-grain weight drops. It is thought that this symptom is a purple sheath type that occurs after heading of rice leaf sheath spoilage disease. Pathogen Sarocladium sinense Chen, Zhang et Fu. called spores of Chinese lychee spp. The morphological features are basically similar to those of S. oryzae. It is thought that this disease is the same pathogen as S. oryzae.
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1. Commodity name: Fresh Onion
2. Feature: Natural color, Thick and full skin, No stain and soil on outer skin, Firm and no rotten.
3. Size: 3.0-5.0cm, 5.0-7.0cm, 7.0-10cm
Fresh Onion Fresh Onion,Dried Onion,Yellow Fresh Onions,Fresh Red Onions JINING FORICH FRUITS & VEGETABLES CO., LTD. , https://www.forichgarlic.com
Transmission pathways, disease conditions, and control methods are described in rice leaf sheath spoilage diseases. To prevent and treat vegetative sheath disease, 50% benomyl WP should be sprayed 1500 times when rice 6% has been eared, and 50% carbendazim 60g can be used per 667m2 plus 5% Jinggangmycin 80ml against water. 65-70L mixed spray control effect of more than 80%.
4. Variety: Yellow Onion and Red Onion
