There is a new method for dry white branches of fruit trees
There are many benefits to dry white fruit trees: 1 Prevent sunburn and freezing injury. Branch whitening can reflect more than 40% of the sun back, reduce heat absorption, can effectively reduce the daytime temperature of the trunk sunny side, reduce the temperature difference between day and night, and effectively control the sunburn and freezing injury. 2 Prevent the loss of moisture in the branches. Whitening can effectively reduce water loss in diseases, wounds, etc., reduce tree consumption, and increase tree vigor. 3 Prevention of trunk diseases. Through experiments, we found that whitening the branches can inhibit the development of stem rot and ring rot, and some of the rough skin appears to fall off. 4 Eliminate wintering pests and reduce overwintering pests.
Branches are usually coated with white lime, but they can also be coated with a good product. The effect is better, such as the finisher No.1, Rotor No.4, and Aurora. Among them, Ring Runner No. 1 is a microbial agent that can effectively prevent the passage of pathogenic spores and lasts for 9 months. It is environmentally safe and non-toxic and harmless. The Rotary No. 4 drying agent is a drying agent based on active ingredients of Chinese herbal medicines. After the coating is dry, the coating is even, the adhesion is good, and the holding period is long, which can reach more than 1 year. Aurora is a drying agent that uses a chemical bactericide as the main active ingredient. The adhesion period and the persistence period are basically the same as those of Rotary No. 4.
Through laboratory measurements, under the conditions of the room, the Desmoter No. 1 and Rotary No. 4 drying agent had the ability to retard the passage of spores and inhibit spore germination, and also inhibited the germination of the spores of the pathogen, which was still 190 days after application in the field. effective. In the field, the number of diseased trees can be effectively controlled in the trees that have already developed. Both of the drying agents showed good adhesion in the field, and the Rotary No. 4 adhesion was the most prominent.
White method: 1 brushing. Dry the powder in the bucket and mix the powder with water 1:2. Stir well and let it stand for more than 10 minutes. Brush the trunk with a brush. 2 spray. Dry powder in the bucket is mixed with water 1:3. Stir well and let stand for more than 10 minutes. Use a special sprayer to spray on the trunk.
Note: The best drying time is before winter and after thawing in the spring. Choose dry weather when dry, the temperature is above 0 °C, to avoid dry after the ice damage the tree.
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