Celery is an alias of western celery, celery, etc. Its plant type is large, the petiole is hypertrophic, the cellulose is less, the quality is crunchy, the leaf is sweet, the storage and transportation are opportune, and it is rich in nutrients, and it is deeply loved by people. In particular, it has become one of the major vegetables in China due to its high output, easy cultivation, and good planting area. However, the occurrence of celery disease also has a growing trend. The following describes the damping-off of celery, blight and its prevention and control methods:
The damping-off disease is soil-borne disease. It occurs during the seedling stage and mainly damages the tender stems and seeds. The disease will cause bad seeds before the seedbed is unearthed; the cotyledons develop light brown stains on stem-like lesions, and then continue to grow around the stems, turning yellow and brown and shrinking into a linear shape, often the cotyledons have not yet withered and the seedlings suddenly falter. Retired.
Prevention and control methods should be used to disinfect the seed in the case of damping-off disease (40% seed dressing with 0.5% seed weight, or 95% Dukesson wettable powder seed dressing with 0.5% seed weight, accompanying with the broadcast) At the same time, early chemical control. At the beginning of onset, 50% of carbendazim WP can be used 600 times per mu, or 70% of Mancozeb WP can be 600-800 times, or 600 times of venom scorpion, or pueraine 2000 times of 50 IU. ~ 60 kg alternating spray, once every 7 to 10 days, and even spray 2 to 3 times.
Rhizoctonia solani is a soil-borne disease. It occurs in the seedling stage. In the early stage of disease, dark brown spots appear on the stem base of the seedlings, and it is slightly sunken. The diseased part spreads around the stem for a week, causing the seedlings to die, but not folding; the roots stained brown. Or rot.
The prevention and control methods also need to do a good job in disinfecting the seed blight (using 40% seed dressing double wettable powder according to the seed amount 0.5%, or 95% enemy wet pine powder according to the seed amount 0.5% seed dressing, with the broadcast with the broadcast) At the same time, timely medication control. At the beginning of the disease, 600 times of anti-virus per mu, or 600 times of Jin Lei Duomier, or 50 to 60 kg of Xiehaidai 2000 times, every 7 to 10 days, and even 2 to 3 times.
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Vacuum Pump-Typed Milking Machine
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