Fruit tree with a scavenger prescription

In late March, all kinds of fruit trees need to be sprayed once to kill the germs, pests and pests that survive the winter on the branches. Decrease the wintering base of pests and diseases, and lay the foundation for the prevention and control of the growing season. The prescriptions used are as follows. 40% Fumei WP 80-100 times solution, or 80% sodium pentachlorophenol 100-150 times solution + 70% Solibal, or 70% bismuth sulphide 60-80 times solution, or 95% boutique Sooli Bar 200-300 times liquid, or 45% stone sulfur mixture crystal 30-40 times liquid + help kill, or harm 1000 times liquid. 40% Fumei 胂 has a wide range of sterilization, strong bactericidal effect, strong osmotic effect on dead tissue, disease of round rot disease, dry rot and rot of pathogens on the surface of branches, and rot in the falling cortex, wound and subcutaneous The latent germs on the plaque have a strong killing effect. Especially for the orchard with heavy rot disease, it is very important to spray Fumei before germination. 70% Solibal or 70% polysulfide is a pesticidal, moth-killing and fungicide. It has a certain killing effect on the pathogens, pests and mites on the surface of the branches. However, the drug has poor permeability, and the bactericidal effect is not as good as that of Fructus sinensis, especially the subcutaneous latent bacteria. At the same time, it is more troublesome to first soak and then filter to remove dregs. 95% of the fine Soliba is water-soluble polysulfide, which can be used directly by adding water to dissolve. It has strong insecticidal, bactericidal and acaricidal effects and is convenient to use. The 45% stone sulphur mixture crystal is an industrially produced stone sulphur mixture, which can be used by adding water to dissolve, which is convenient. The efficacy of the self-made stone sulphur mixture is similar to that of the above-mentioned several sulphur preparations, using 5 degree liquid in late March, 2-3 degree liquid in early April, and 1-2 degree liquid in mid-April. Can not be mixed with Fumei ,, used interval 7-10 days.

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