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How should apple trees be pruned after entering an "on" year?
How should apple trees be pruned in an "on" year? Please provide guidance on the pruning principles for "on" year trees. On the premise of ensuring the current year's yield, appropriately control the amount of flowers and fruits retained, reduce consumption, increase accumulation, and promote flower bud formation. The specific methods are: 1. "On" year trees have many flower buds. To reduce flower buds and improve ventilation and light conditions, thin out or cut back poorly positioned auxiliary branches and large scaffold branches; thin out overly dense fruiting branches or fruiting branch groups; the outer extension branches should be cut at a plump bud, and the one-year-old excessively long branches below them should be appropriately thinned; for one-year-old vegetative branches in the inner canopy, except for specially long ones that are cut back, generally prune lightly or not at all, so as to form a certain number of flower buds for the "off" year.
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How to prune apple trees in summer? Detailed explanation of key technical points
How to prune apple trees properly in summer? Please give guidance. Summer pruning of apple trees can refer to the following methods: 1. The main targets of summer pruning are neglected trees, young vigorous trees, trees of bearing age that do not fruit, and varieties that flower with difficulty and set fruit poorly; overly weak trees generally do not undergo "summer pruning." 2. Generally, ring cutting and ring girdling are best done from late May to early June...
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What are the common pests and diseases of pineapple? A detailed guide to prevention and control methods
What pests and diseases of pineapple need to be prevented? Please introduce the following pests and diseases that need to be controlled during pineapple cultivation: wilt disease. After the plant is affected, the leaves become soft and droop, the leaf color changes from pale green to red, the base rots, and finally the whole plant dies. This disease is caused by damage from mealybugs. Prevention and control methods: first, strictly take care not to use diseased seedlings for propagation.
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Control methods for pineapple stem borers and termites
How to control stem borers and termites in pineapple? Please give some advice. For pineapple stem borers and termites, you can refer to the following control methods: When rice straw or wheat straw is used as mulch in pineapple plantations, stem borers often cause damage, biting and eating the heart leaves and young stems of pineapple. You can spray a 500-800 times diluted dimethoate solution for control. Termites near...
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How to fertilize pineapple plants? A full breakdown of methods and techniques
How should pineapple be fertilized? Please give guidance. For fertilizing pineapple, you can refer to the following methods: 1. Base fertilizer: it is the material foundation for ensuring good plant growth after planting, and requires a large amount of fertilizer, complete elements, high concentration, and balanced proportions. Use barnyard manure, compost, farmyard mixed fertilizer, fermented and processed garbage fertilizer, green manure, cake fertilizer...
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What are the control methods for pineapple seedling heart rot?
How do you control pineapple seedling heart rot? Please give guidance. Pineapple seedling heart rot causes the heart of the seedling to rot and the plant to die. It is mainly caused by heat build-up from piling or by waterlogging. Control methods: avoid piling seedlings for too long, especially during long-distance transport, where piling should be minimized as much as possible to prevent heat, high humidity and poor ventilation from causing heat damage to the seedlings....
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Detailed Explanation of Pineapple Cultivation Methods and Technical Key Points
How should pineapples be planted? Please explain in detail. Pineapple, also known as fengli, English name Pineapple, belongs to the Bromeliaceae family, Ananas genus. It is a perennial monocotyledonous herbaceous plant that grows on the ground. The fruit is a collective fruit formed by the aggregation of many small fruits, generally weighing 1--1.5 kg. Pineapple is a tropical fruit, native to Central and South...
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How should pineapple be planted to grow well?
How should pineapple be planted well? Please give guidance. Pineapple planting can be carried out with reference to the following methods: 1. Base fertilizer is generally mainly pig and cattle pen manure, with an equal amount of ash fertilizer and compost added for fermentation. If pen manure is lacking, compost, garbage fertilizer and other farmyard manure can also be used, but 50 kg each of phosphate rock powder and bran fertilizer should be added per mu and mixed for application, so that each...
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Symptoms and Control Methods of Pineapple Black Heart Disease
What is pineapple black heart disease? How to control it? Please advise. Pineapple black heart disease is one of the major diseases of pineapple, mainly affecting the fruit. In mild cases it affects fruit quality; in severe cases it causes the fruit to lose its commercial value. Symptoms: This disease mainly affects ripe fruit. There are two types of symptoms: one is that the fruitlets are affected and turn brown or form...
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A Detailed Guide to Field Planting Techniques and Potted Cultivation Methods for Crabapple
Crabapple is a plant native to China. It mostly grows in plains and mountains at altitudes of 50 m to 2000 m, and can be introduced and cultivated artificially. It is a small deciduous tree. Crabapple likes light, is cold-resistant, dislikes waterlogging, dislikes excessively humid air, is relatively drought-tolerant, and is not demanding about soil and water.
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