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Summer shade net covering technique coriander


To have seedling damping-off disease, adult plant virus diseases, anthracnose and leaf blight. 5 days after emergence, with 3% oxygen cleared 800 times more than 1 spray, after every 7 days with 600 times more oxygen spray Qing 1, 2 or 3 times were sprayed to prevent damping-off disease, anthrax and Septoria. Control virus,[link widoczny dla zalogowanych], the virus can be passed to prevent the aphids Insect trapeze, the use of shade to avoid the hot and dry environment, reduce the occurrence of aphids,[link widoczny dla zalogowanych], if necessary, with 20% imidacloprid WP 20g of water spraying off of 50 aphids. 7) timely adopted. High 15 ~ 20em plants can ask pull harvest. 1 each harvest to recover fertilizer 1. Also allows for thinning with the harvest. (According to the Obvious symptoms of mild strain, heavy diseased plants than small plants, stunted growth, strong and good,[link widoczny dla zalogowanych], dry conditions is wilting under the midday. The disease Guayang roots or fibrous roots will be found to generate lateral size of the tumor-like root knot range. Anatomy of root knot, will find disease within the Ministry of small white worm. General may give birth on the thin root of the new roots, re-infection is the formation of root knot-like tumors. 2) transmission and disease conditions. The major root-knot nematodes to survive in the soil, often 2 or d with sick deformed larvae in the soil left over winter, the general can survive 1 to 3 years. If conditions are suitable for year 2, the overwintering eggs hatch into larvae, the larvae continue development of host invasion and stimulate root proliferation, root knot or tumor formation. When nematodes develop to 4 age mate to lay eggs, the male into the soil without a host, soon died. Hatching eggs in the root of development. 2 egg shells left after the age of the soil and then into the infection or the winter. General soil with disease, disease transmission plants and irrigation. Soil temperature is 25 ~ 30 ��, the soil water holding capacity was 40%, the nematodes and development of fast, 10 �� these larvae stop their activities, 55 �� for 10 minutes died. Gaozao topography, soil texture and loose, low-salt conditions suitable for nematode activity, is conducive to disease. Years of onset of heavy cropping plots. 3) control methods. �� flooding method. Areas where conditions permit, can be on the surface or deeper soil layers warping 10em months, can play to prevent root-knot nematode infection, reproduction and growth. �� root-knot nematodes are distributed in the 3-9em topsoil, can reduce damage after deep plowing. �� Crop rotation, selection of breeding disease-free soil. Celery,[link widoczny dla zalogowanych], cucumber, tomato is a high sense of Plastic Packaging Materials, onion, leek, pepper is resistant vegetable species. Planting disease resistant disease-resistant vegetable fields can reduce the losses. Sowing or planting 10% of particles over time Xueshi library granules, each with 5kgo 667m nematodes during childbirth, the choice of 50% Phoxim EC 1500 times, 80% dichlorvos EC 1000 times, 99% trichlorfon crystal 800 times IRRIGATING per plant irrigation liquid 0.25 ~ 0.5kg, generally 1 to sink. (According to February 2006 through the Crop Variety Approval Committee of Xinjiang. 1) Characteristics. An early maturing variety, growth potential is strong. Northern Kentucky and other areas covered by small shed on the culture in mid-April sowing,[link widoczny dla zalogowanych], growth period of 90-95 days, the fruit weight 2.8 ~ 3.5kg; open field cultivation in early May planting, growth of 82-85 days, the fruit weight 3. 8-4.2kg. Section 5-6 Zhuman Ziman began to female flowers, fruit development period of 40 to 45 days, the young fruit light green, 25-28 days of pollination began to turn yellow skin color. Oval to long oval fruit, fruit shape index of 1.6 or so; ripe golden fruit surface, textured dense, gorgeous and beautiful. Light orange flesh, flesh of crisp, central soluble solids content of 14% or more. Small Shed yield 2500kg covering about 667m mature culture, open field cultivation in 2800 ~ 3000kg. Easy to crack melon, commodity rate. Since the powdery mildew resistance ability, more resistant to downy mildew. 2) cultivation techniques. Select above average fertility of soil cultivation, Shizujifei, rational fertilizer. General planting 750-800 per 667m strains, a single vine pruning, Zhuman 7 8 melon festival to stay Ziman, timely pruning thinning, leaving only one melon per plant. Premature harvesting, so as not to affect the quality of fruit flowering 45 days or face begin to turn yellow fruit harvested 15 days later as well. Cultivated in Xinjiang, the performance of resistance to powdery mildew, strong resistance to downy mildew, but still need to strengthen the prevention of downy mildew epidemic. Should also pay attention to prevention of bacterial angular leaf spot and bacterial fruit blotch, the early onset of pesticides or agricultural use of streptomycin, copper hydroxide on the leaf and fruit surfaces such as spray protection. (According to More articles related to topics：


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