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1.要准确配制浓度 目前用于番茄保花的植物激素有2,4—D和番茄灵。2,4—D的适宜浓度为10—20ppm,番茄灵为25—50ppm。配制时,取1克2,4—D粉剂,先用少量酒精溶化后再加温水至1000毫升,摇匀后即为1000ppm的原液。如配制10ppm药液,取原液10毫升,加水至1000毫升即成.配制20ppm药液,则取20毫升原液加水至1000毫升即成。使用的番茄灵如是粉剂,配制原液和所需浓度的方法与2,4—D相同。上述激素如是水剂,应按其说明配制。药液要随用随配,如有剩余应密封后置阴凉遮光处短期保存。
1. To accurately formulate the concentration of plant hormones currently used for tomato protection are 2,4-D and tomato Ling. The optimum concentration of 2,4-D is 10-20ppm, and the content of tomato spirit is 25-50ppm. Preparation, take 1 gram of 2,4-D powder, first with a small amount of alcohol and then heated to dissolve the water to 1000 ml, shake it to 1000ppm after the stock solution. Such as the preparation of 10ppm liquid, take the original liquid 10 ml, add water to 1000 ml Serve.Prepare 20ppm liquid, take 20 ml of stock solution to 1000 ml Serve. The tomato spirit used is in the form of powder, and the method of formulating the stock solution and the desired concentration is the same as 2,4-D. The above hormones such as water, should be formulated according to their instructions. Medicinal fluid to be used with the distribution, if the remaining should be sealed after the cool shading at short-term preservation.