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果树在冬春修剪时,会留下许多剪口和锯口,凡是直径大于1厘米的都要涂保护剂,以防病菌感染,其它如环剥,开张角度造成的伤口也应涂保护剂、常用保护剂有以下几种: 1、铅油。使用方便,但效果较差。 2、桐油铅油合剂。生桐油3份,白铅油1份,搅拌均匀即可。 3、清油铅油合剂。清油(防水漆)3份,白铅油1份(适量白铅粉).搅拌均匀即可。 4、松香清油合剂。一般配比是松香1份,清油1份。配制时先将清油加热到沸腾,再把松香粉加入搅拌均匀即成。冬季使用时应酌情多加清油,夏季可适当多加
Fruit trees in winter and spring pruning, will leave a lot of notches and kerfs, those who are more than 1 cm in diameter should be coated with protective agent to prevent bacteria infection, others, such as girdling, opening angle wounds should also be coated with protective agent, Commonly used protective agents are the following: 1, lead oil. Easy to use, but less effective. 2, tung oil lead oil mixture. Raw tung oil 3, white lead oil 1, stir well. 3, the oil lead mixture. Oil (water-based paint) 3 copies, 1 white lead oil (amount of white lead powder). Stir well. 4, rosin oil mixture. The general ratio is rosin 1, a clear oil. When the preparation of the first edible oil heated to boiling, then add the rosin powder Stir Serve. As appropriate, more oil should be used in winter, summer may be more appropriate