**1. How to Prevent Peach Brown Rot?**
Brown rot, also known as *Sclerotinia*, is a common fungal disease that affects peach trees. To prevent it, apply 3-5°Bé lime sulfur before the tree starts to sprout. This helps eliminate overwintering pathogens and can also help manage leaf thinning and leaf blast. After flowering, spray a mixture of 80% mancozeb diluted at 500 times with "Tianda 2116 fruit tree-specific" at 1000 times, plus Tianda silicone at 3000-6000 times. This combination effectively controls brown rot and also helps prevent scab.
**2. How to Prevent Peach Leaf Diseases?**
During the early growth stage, especially in cold and wet conditions, peach trees are prone to leaf shrinkage. When the buds begin to swell and the top buds turn slightly red, apply 3-5°Bé lime sulfur or a 1:1:100 Bordeaux mixture combined with Tianda organic silicon at 3000-6000 times. This treatment helps control leaf shrinkage and also manages anthracnose.
**3. How to Prevent Bacterial Canker in Peaches, Plums, Apricots, and Cherries?**
Bacterial canker thrives in warm, rainy, or foggy conditions during early spring. To control it, spray a solution of 50% thiobacillin (diluted at 500 times) or 25% kasugamycin (diluted at 1000 times) mixed with 20% kasugamycin (diluted at 500 times), along with Tianda organic silicon at 3000-6000 times. Repeat this every 10-15 days for a total of three applications to manage bacterial canker effectively.
**4. How to Prevent Gummosis in Peaches, Plums, Apricots, and Cherries?**
Gummosis is a common issue on many fruit trees, though the exact cause is still unclear. To manage it, first scrape off the gum with a knife. Then, apply a mixture of 50% thiobacillin diluted at 50 times and "Tianda 2116 fruit tree-specific" diluted at 50 times directly onto the affected area. This helps reduce the flow of gum and prevents further damage.
**5. How to Control Peach Aphids?**
Peach aphids are active from May to June. Two effective methods are available:
(1) **Trunk Treatment**: Mix 40% omethoate with water in a 1:3 ratio, brush it onto the trunk, and wrap it with paper or plastic film. The protective ring should be about 6 cm wide and lasts up to 15 days. If the bark is rough, scrape it first.
(2) **Spraying**: After the tree has been pruned, spray 10% imidacloprid diluted at 4000 times or 3% acetamiprid diluted at 1500 times, combined with Tianda silicone at 3000-6000 times. This helps control aphid infestations.
**6. How to Prevent Scale Insects on Peach Trees?**
Scale insects affect not only peaches but also apricots, plums, pears, apples, and persimmons. Apply 3-5°Bé lime sulfur or 99% green tincture before flowering. After flowering, use 48% dimethoate diluted at 1000 times or 52.25% flubendiamide at 1200 times, combined with Tianda silicone at 3000-6000 times. This helps control scale insect infestations effectively.
**7. How to Control Red Neck Tianniu (a type of fruit worm)?**
The peak season for adult *Pseudoparceola erythropoda* is from June to July, especially after rain. During this time, manually collect adults or spray 52.25% flubendiamide at 1500 times with Tianda organic silicon at 3000-6000 times. After harvest, mix 50% dichlorvos at 40 times with clay and apply it to the trunk. Cover with plastic film for 15 days to kill larvae inside the tree.
**8. How to Prevent Peach Fruit Pests?**
Common pests include aphids, borer beetles, and pear borers. Control begins 10 days after flowering. Spray a fungicide every 15-20 days. Use insecticides like 52.25% flubendiamide at 2000 times, 30% thiamethoxam at 1500 times, 36% chlorfenapyr at 1500 times, or 2.5% lambda-cyhalothrin at 1000 times. Alternate these products for better efficacy. You can also mix them with 25% Tianda urea at 2000 times or 2% Tianda Avid at 4000 times, along with Tianda silicone at 3000-6000 times.
**9. How to Use Herbicides in Peach Orchards?**
Before weed germination, mix 50% acetochlor at 200 ml per 667 square meters with 50% paraquat at 100 grams, then add 50 kg of water and 3000-6000 times Tianda organic silicon. During the growing season (July), spray 20% glyphosate at 200 ml per 667 square meters with 30 kg of water and Tianda silicone at 3000-6000 times. This ensures effective weed control while improving herbicide absorption.
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