Cotton seed dressing gets twice the result with half the effort
Years of practice has proved that seed dressing at sowing date is one of the important measures to ensure the health of cotton seedlings, which can achieve the purpose of economically, safely, effectively controlling or reducing the damage of cotton seedling diseases, seedling aphids, underground pests and other diseases and pests, and get twice the result with half the effort. At present, the Qingming Festival has passed, and the cotton sowing work in the city has been carried out in an all-round way. This technology is briefly introduced as follows:
1. Selecting resistant and disease-tolerant varieties or sowing coated seeds can emerge early for 3-4 days and reduce the incidence of disease.
2. Soak cotton seeds with 3911 phosphos (75%) EC 1kg and 100kg water, soak the seeds for 24 days and sow the seeds after soaking, and turn up and down several times in the process of soaking seeds. Or soak the seeds in warm soup, soak the cotton seeds in warm soup (55 ℃-60 ℃) for half an hour, remove and dry until the hair is white, and evenly mix the seeds with 50 kg of carbendazim wettable powder for every 50 kg of dry cottonseeds.
3. It is recommended to mix seeds with insecticides and fungicides by mixing pesticides first and then fungicides.
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985b cotton
Cotton line 985B is a new cotton variety with multi-resistance, no pruning and super high yield. First, characteristics (1) Miao Qi Miao Zhuang. The seedlings emerge quickly and neatly, the seedlings are strong and the growth is steady. (2) No pruning, no branching. This variety belongs to the mid-early maturing variety, and the growth period is about 125 days. The plant height is about 90 cm, the plant type is loose, the fruit branch is longer, the leaf branch is less, the leaf branch is strong in boll formation, the superfluous bud is less, and it is easy to form fruit branch and sub-fruit bell. During the whole growth period, there can be no pruning, no branching, no superfluous buds, and let it grow naturally. Suitable for large-scale planting in large areas
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Causes of Cotton abortion and Rescue measures
Cotton abortion occurs every year. The so-called abortion means that cotton loses the function of normal growth, that is, it only blossoms but does not bear peaches, or blossoms more than peaches. First of all, the reason is caused by climate factors, the second is the blind introduction of cotton varieties, and the second is that the cultivation means do not adapt to climate change. According to records, when the temperature exceeds 35 ℃, the pollen development is abnormal and can not pollinate normally, while the persistent drought aggravates the shedding of buds and bolls. In addition, in mid-August, some cotton areas have been overcast and rainy for a week, which will also make it difficult for cotton to bloom and pollinate normally.
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