July is the ripening period of the berries of the red grape in the open field, and it is also a period when the pests and diseases occur more seriously. The management measures are: water and fertilizer management, top picking, inspection of "urinary bags", prevention of sunburn, disease prevention and leaf protection.
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1. Water and fertilizer management: 1 Topdressing is mainly based on phosphorus and potassium fertilizer. 2 Foliar application of potassium dihydrogen phosphate 600-800 times or amine fresh ester 1000-1500 times, even spray 2-3 times. 3 Temporary cultivating after each rainfall, cut off the soil capillary. 4 The grass can be covered with grass in the high temperature season to facilitate root growth. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
2. Secondary tipping: In order to prevent sunburn, the first topping of the secondary tip should be from early June to early July. Only the tender tip is lightly picked. Most of the secondary shoots are naturally capped after 5-7 leaves, indicating that The balance between vegetative growth and reproductive growth, at this time, the tree potential is well controlled, and after August, the secondary shoots can be naturally capped, without topping. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
3. Check the urine bag: The urine bag is the acid solution left by the red grape rot. If it is found, the bag should be removed immediately, and the new bag should be rinsed according to the scheme of preventing acid rot. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
4. Prevention of sunburn: In this period, in principle, it is not possible to arbitrarily turn the branches and vines, and it is not possible to weed the trees to prevent the hot air waves from reflecting on the ears to produce airburn. The morning and evening water spray can be used to absorb heat and cool down. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
5. Anti-disease and leaf-protection: Generally, it is necessary to spray 3 times after bagging to the color-changing period, focusing on the control of downy mildew, anthracnose, white rot, gray mold, acid rot and blight of red grape. . From July to before and after fruit ripening, it is a critical period for the prevention and control of downy mildew. Therefore, it is not afraid that it will not spray or spray less control agents when it rains. First, when there is rainfall in the weather forecast, the uninfected vineyards are sprayed with 80% Fumex 1000 times before the rain. The second is to spray 36% of the nail cream and manganese zinc 800 times at the beginning of the disease, with an interval of 10-15 days, and even spray 2-3 times to eradicate the initial infection. Third, downy mildew, white rot, gray mold, anthracnose, acid rot, black pox, cob brown blight, chafer, grape hawk moth, tiger beetle, spider mites, mites, etc. Optional 25% propiconazole 5000 times or 10% penconazole 4000 times +80% thiram 800 times + 70% thiophanate 800 times or 36% nail cream · manganese zinc 800 times + 2.5% deltamethrin Ester 3000 times +20% fenpropathrin 2500 times + sdkamp 6000 times, interval 15 days, even spray 2-3 times. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
In addition, July is also a period of exposure to red soil, and fertilization is the key. It is recommended to apply 20-25 kg of potassium nitrate or potassium nitrate to the underground mu, and use 5 kg of EM bacteria + 50-100 g of trace element fertilizer. Linyi Fertilizer Network Copyright
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Floor Drain
Floor drain
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