Medicine for preventing and curing canker and yellowtop of apple trees
A technology for apple tree rot and yellow leaf disease, applied in the direction of application, fertilizer mixture, organic fertilizer, etc., can solve the problems of extensive management, periodic freezing damage, etc., and achieve the effects of increasing yield, enhancing immunity, and good curative effect
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Embodiment 1
[0011] young seedling stage
[0012] A medicine for preventing and treating yellow leaf disease of apple trees, comprising the following components in percentage by weight:
[0013] Compound humic acid 10%, organic matter 15%, urea 3%, potassium dihydrogen phosphate 8%, chelated iron or complexed iron 2%, chelated zinc or complexed zinc 0.5%, black alum FeSO 4 0.5%, water 61.0%.
[0014] The formulations of the above-mentioned several chemical raw materials are mixed at room temperature to prepare the drug example of the present invention. The use method of the present embodiment is to dilute the medicine of the present embodiment according to medicine: water is 1:100 times of liquid and spray the apple saplings. Applying the pesticide once can kill most of the yellow leaf disease pathogenic bacteria carried by the saplings, and can largely prevent the occurrence of yellow leaf disease in apple trees after planting.
Embodiment 2
[0016] Yellow leaf disease in early growth stage of apple tree
[0017] A medicine for preventing and treating yellow leaf disease of apple trees, comprising the following components in weight percent: 3% of compound humic acid, 5% of organic matter, 8% of urea, 15% of potassium dihydrogen phosphate, 3% of chelated iron or chelated iron, chelated Alloy zinc or complex zinc 0.1%, black alum FeSO 4 0.3%, water 65.6%. The formulations of the above-mentioned several chemical raw materials are mixed at room temperature to prepare the medicament of the embodiment of the present invention.
[0018] The method of use of this embodiment is to dilute the medicine of this embodiment according to the medicine: water is 1:100 times of liquid and poured into the root of the apple tree. When the disease is serious, it can be sprayed with a small amount of apple tree leaves for auxiliary control, 2 kg per plant. The medicine is applied once a month, and the effect is first seen in 15 days. ...
Embodiment 3
[0020] Apple trees develop yellow leaf disease in mid-growth.
[0021] A drug for preventing and treating yellow leaf disease of apple trees, comprising the following components in weight percent: 15% of compound humic acid, 20% of organic matter, 6% of urea, 10% of potassium dihydrogen phosphate, 1% of chelated iron or complexed iron, Chelated zinc or complexed zinc 0.3%, black alum FeSO 4 1%, water 46.7%. The formulations of the above-mentioned several chemical raw materials are mixed at room temperature to prepare the medicament of the embodiment of the present invention.
[0022] The method of use of this embodiment is to dilute the medicine of this embodiment according to medicine: water is 1:90 times of liquid and spray the apple trees. When the disease is serious, it can be poured into the roots of the apple trees for auxiliary control, 3 kilograms per plant. The medicine is applied once a month, and the effect is first seen in 15 days, and it can be cured by applying...
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