Application of Uniconazole Seed Soaking for Late Rice Cultivation

Cultivating strong and strong bred is the basis for capturing high yields in rice, and the use of chemical control is an effective way to cultivate strong rice. The main regulatory chemicals are paclobutrazol and uniconazole. Based on years of use, the use of paclobutrazol control can achieve ideal longevity, but there are also many side effects. The main ones are: 1) The pesticide residues are large and have a great influence on the growth of lower crops, especially stems. The leaves are harvested crops, and the accumulation of paclobutrazol in the soil has an additive effect. 2) Paclobutrazol-treated rice delayed the growth period. According to many external observations, the earliest earings were generally postponed for 3-4 days. This has increased the seasonal contradiction in the case of Xieyou 46, the head of the city. 3) The use of paclobutrazol regulation requires that high blister board unevenness or uneven spraying can cause some seedlings to dwarf and some control lengths are not ideal. 4) The application of paclobutrazol for spray treatment has a large amount of pesticides and high costs, and some farmers are not willing to accept them, which is not conducive to comprehensive application and promotion. In order to overcome the above-mentioned unfavorable factors, it is necessary to retain the effect of accelerating the promotion of prostitution, and to achieve the purpose of facilitating the people to save labor and save costs. In recent years, based on several tests, the city has actively promoted the use of soaking seeds with uniconazole instead of paclobutrazol, which has achieved satisfactory results. Hactam (HET) is a triazole-based plant retarder and a broad-spectrum systemic fungicide. Compared with paclobutrazol, the oleicazole soaking treatment has a "more convenient method, more stable effect, and a safer environment." , The cost is cheaper and so on. In order to cultivate late rice, enhance the elasticity of rice seedlings, and increase the yield of late rice, it has played a prominent role mainly in the following aspects: 1. Controlling the plantar pods: According to the test, the main cultivated cultivars Xieyou 46 and Shanyou 85 were immersed at a concentration of 200PPM. In the next experiment, the uniconazole control rate was 17.76%, while the paclobutrazol control rate was only 2.86% and the height was 14.6. The uniconazole effect was 25.4%, which was 16.5% higher than that of paclobutrazol and 9.3% higher. 2, long effect: Uniconazole control long-acting scorpion potency up to 40 days, while paclobutrazol only in the early stage (20 days after sowing), when 30 days, the effect of the controller has basically disappeared. 3. Increase in ear gain and yield: Seedlings soaked with Uniconazole, due to rapid greening, fast tillering, unbeaten seedlings, and early accumulation of nutrients, have an increase in the number of spikes and grains compared to soaking seeds without sophomore. The effect of increasing the fertility rate and increasing yields generally increases production by more than 5%. 4. Less soil residue: The use of uniconazole soaking treatment instead of paclobutrazol spraying, the residual chemical composition of the soil is less than paclobutrazol, accounting for only 1/10 right of paclobutrazol, and uniconazole in the soil decomposition rate than paclobutrazol Fast, basically does not affect the recommended crop. In addition, soaking seeds with Uniconazole is not affected by factors such as weather, seedling quality, seedling growth period, and the like. 1, according to the test: Uniconazole soaked seed to 2000PPM as well, with 5% of the wettable powder 5g water 1.25 kg Serve. 2, soaking method: per kilogram of seeds according to the ratio of 1.25 kilograms of liquid medicine, ready for the drug, after the sons have been washed to the valley, in the liquid soaked with the gap for 16-18 hours, stirring during the soaking 2-3 times to The seeds are evenly absorbed, then washed and sown as conventional germination.

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