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Detailed Explanation of Key Management Techniques for Chestnut Trees After Fruit Harvest
(1) Disease Control 1. Dieback Disease Dieback disease, also known as chestnut blight, chestnut trunk blight, or chestnut bark rot, is a fungal disease. The pathogen mostly invades through wounds, mainly damaging the trunk and branches. It is not easy to detect in the early stages. When lightly scraping the bark with a small knife, small reddish-brown spots can be seen. After the spots merge into patches, the bark surface becomes raised...
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Chestnut trees should be supplemented with zinc and boron fertilizer promptly after harvest
At present, the yield of most chestnut orchards is not high, with only 4-5 kg per tree. Many bearing chestnut trees have burrs but no nuts (that is, empty burrs). The reason, apart from extensive management, is largely related to the failure to apply or spray zinc and boron. Practice has proven that supplementing with soil application and foliar spraying of zinc and boron micro-fertilizers after chestnut harvest promotes flowering, differentiation, improves flower quality, and ensures...
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A rare tree stump dug up in the wild, and someone offered 80,000 to buy it as soon as he came down the mountain.
A rare tree stump dug up in the wild, and someone offered 80,000 to buy it as soon as he came down the mountain. Netizens: What kind of tree stump is worth so much money! In rural areas, the one thing there is never a shortage of is all kinds of trees. You could say there are thousands upon thousands of species, and some can't even be named, but some tree species...
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Detailed Explanation of Key Techniques for Early High Yield in Young Chestnut Trees
1 Technical Measures to Promote Female Flower Formation 1) Watering in early spring. The 3 weeks before bud break is the period of female flower morphological differentiation; meeting the tree's water needs makes the fruiting branches thick and strong with many buds, laying the foundation for the next step of female flower bud formation. 2) Foliar topdressing. When the basal leaves have just unfolded and are turning from yellow to green, spray once with a 1000-fold dilution of PP200...
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Key Technical Points for Skillfully Applying Boron Fertilizer to Chestnut Trees
According to surveys, in areas where chestnuts grow normally, 15% of the burrs are empty, and in some cases the rate is even as high as over 50%, seriously affecting chestnut growth. Boron deficiency is the main cause of empty chestnut burrs. Applying boron fertilizer can markedly inhibit the formation of empty chestnut burrs and increase yield. In spring, before the chestnuts sprout, apply it in a ring-shaped trench or in holes...
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Key Technical Points for Pressing Green Manure under Chestnut Trees in the Rainy Season
Pressing green manure under chestnut trees can improve the soil and prevent water and soil erosion. It has many advantages such as low investment, low cost, and a high comprehensive utilization rate. The techniques for pressing green manure under chestnut trees in the rainy season are introduced as follows: 1. Sources of green manure for chestnut. First, artificially cultivated green manure, commonly including leguminous plants such as false indigo (Amorpha fruticosa) and mung bean; second, wild green manure,...
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How to prevent flower and fruit drop in persimmon trees? Remember these seven key words
Peel: Girdling the trunk or main branches of vigorous trees not only promotes flower bud differentiation and earlier fruiting, but also reduces physiological fruit drop and advances fruit ripening. Girdling is generally carried out at the initial flowering stage and completed by full bloom, with an incision width of 0.3-0.5 mm. After girdling, wrap the incision with plastic (11395,70.00,0.62%) strips...
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Cold-protection methods for overwintering tree peonies - northern gardeners, put these to use
18. Cold-protection methods for overwintering tree peonies - northern gardeners, put these to use! This is the 18th article in the original "Tree Peony Cultivation" column by Lanyao. Tree peonies are extremely cold-hardy. According to relevant records, tree peonies can withstand low temperatures of -30 degrees, but winters in the north are extremely cold, so to be on the safe side, some anti-freeze measures are still needed.
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How to prevent and control persimmon tree diseases? These two methods are very practical
The main pests and diseases that persimmon trees are prone to include: persimmon angular leaf spot, circular leaf spot, anthracnose, black spot, leaf blight, powdery mildew, Eumeta variegata, Japanese mealybug, tea tussock moth, Maladera ovata, red wax scale, Homona magnanima, and small black slug moth, etc. Control methods: (1) Remove diseased fallen leaves and burn them; at the early stage of the disease, spray Bordeaux mixture, zineb, carbendazim or any one of these fungicides several times; when powdery mildew is severe, spray triadimefon. (2) Use light traps to kill adult insects; during the larval or nymph stage, spray dichlorvos, trichlorfon, fenitrothion or any one of these insecticides.
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Persimmon trees need timely winter pruning when they enter the full fruit-bearing stage
The pesticides suitable for controlling sweetpotato whitefly include acetamiprid, clothianidin, mineral oil, thiamethoxam (Actara), nitenpyram, pymetrozine, bifenthrin, abamectin, matrine, imidacloprid, chlorpyrifos, etc. These pesticides can be selected to control sweetpotato whitefly on persimmon trees. With long-term single-pesticide use, sweetpotato whitefly is prone to developing resistance...
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