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Integrated Control Methods for Pineapple Wilt Disease and Sunscald
Pineapple (scientific name: Ananas comosus), officially and academically known as "fengli" in Taiwan, China and mainland China, is called "ong-lai" in Taiwanese Hokkien, "fanli" in the Chaoshan region, "huangli" in Malaysia and Singapore, and is also commonly known as "boluo" in mainland China, Hong Kong, China and Macao, China. Pineapple is a species native to
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How to prevent and control dry rot in apple cultivation
Apple dry rot, also known as trunk rot, is one of the important diseases of apple trees. 1. Symptoms When young trees are affected, dark brown to blackish-brown lesions initially form near the grafting site, spreading upward along the trunk and potentially causing death in severe cases, with many raised small black dots on the lesions.
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Detailed Explanation of Control Methods for Apple Alternaria Leaf Spot
Apple alternaria leaf spot is an important disease of apple. This disease can cause early defoliation of apple trees, weaken tree vigor, and not only affect the yield of the current year, but also affect flower bud formation and reduce the yield of the following year. 1. Symptoms It mainly damages young leaves, especially young leaves within 20d. Onset
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What are the control methods for apple boron deficiency?
Apple boron deficiency is a physiological disorder caused by boron deficiency, and in the past two years it has shown a worsening trend on early-maturing apple varieties such as American No. 8 and Gala, and late-maturing varieties such as Qinguan. 1. Symptoms: The main symptoms on the fruit can be divided into three types: dry spot type, corky type and rusty spot
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Technical Key Points for Applying Biogas Fertilizer to Apple Trees
In addition to being rich in the major elements nitrogen, phosphorus and potassium, biogas fertilizer also contains trace elements such as boron, copper, iron, manganese, calcium and zinc that play an important role in fruit tree growth, as well as large amounts of organic matter, various amino acids and vitamins. In addition, applying biogas fertilizer can significantly
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Detailed Explanation of Key Technical Points for Soil Management in Apple Orchards
I. Ridge raising and mulching. 1. Dig fertilization pits (this can be done together with the application of base fertilizer). On the inner side, 30-40 cm vertically below the extended branches on the outer periphery of the tree canopy, dig 2-4 fertilization pits each 40 cm long and 40 cm wide and 50 cm deep (the depth for topdressing is 20 cm). 2. Dig trenches and raise ridges. Outside the fertilization holes, along the row direction
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What are the control methods for apple Phytophthora fruit rot?
This spring, the temperature in my area was lower than usual and there was more rain than usual, causing severe outbreaks of apple Phytophthora fruit rot. Apple Phytophthora fruit rot, also known as apple Phytophthora disease, can harm apple fruit; the skin of affected fruit first looks as if scalded by hot water, then turns brown, and the flesh rots. It can also attack the tree
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How to fertilize an apple orchard after it enters the full fruit-bearing period
1. Base fertilizer. The best time to apply base fertilizer is from mid-September to mid-October, and organic fertilizer should be the main type. For trees in the full fruit-bearing period, calculated at a yield of 2000-3000 kg per mu, the amount of organic fertilizer applied per mu should reach 3000-4000 kg. At the same time, an appropriate amount of quick-acting chemical fertilizer should be applied, with 6-10 kg of pure nitrogen per mu.
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6 Key Techniques for Apple Seedlings to Survive After Planting
1. Scientific storage, planting at the right time. For seedlings, winter storage (heeled-in) and planting in spring when local apple buds begin to swell are best. For heeling in, choose a shaded spot that does not collect water and dig a trench, maintaining stable and suitable moisture and temperature; when heeling in, make sure the roots are in close contact with moist sand (soil). 2. Do
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What are the key technical points for spring management of apple orchards?
I. Orchard sanitation: In combination with winter pruning, saw off rotten and diseased dead branches, cut off branches with woolly apple aphid galls, and thoroughly clean the orchard. Clear away fallen leaves, dropped fruit, residual branches and rotting bark, then bury them in pits or burn them to reduce the source of pests and diseases. In late March, when the buds show green, spray to sanitize the orchard.
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