这里是Articles模块搜索页
条件筛选
  • What are the main summer management measures for apple trees?

    What are the main management tasks for apple trees in summer? Please guide. The main summer management tasks for apple trees include the following: 1. Fertilizer management. To meet the nutrient needs of apple trees in summer, topdressing should be done in time. Generally, in hot and rainy seasons, fertilizer should be applied in small amounts but multiple times. In summer, topdressing is also needed in the late stage of fruit growth. For young fruit trees, apply Dimijia fertilizer 0.2-0.5 kg per tree; for trees in full fruit stage, apply Dimijia fertilizer 1-1.5 kg per tree.

  • Apple Tree Summer Pruning Methods and Technical Key Points

    How to prune apple trees in summer? Methods explained. Summer pruning, also called growing-season pruning, is one of the important parts of the year-round pruning of apple trees and holds a rather important position in the annual pruning of fruit trees. Its main pruning methods include ringing, girdling, shoot twisting, pinching, branch bending, branch thinning, and autumn heading cuts, etc. But if...

  • What are the methods for controlling summer mites on apple trees?

    How to control mites on apple trees in summer? Please learn about the damage caused by summer mites on apple trees: I. Damage symptoms 1. Hawthorn spider mite. Also known as the hawthorn red spider, it mainly damages the leaves, tender buds and young fruit of apple trees. When leaves are damaged, the red spiders gather on the underside of the leaves, spin silk and form webs, with fine soil particles and eggs sticking to the webs, and many pale white spots appear on the upper surface of the leaves. When the damage is severe, rust-colored symptoms appear on the underside of the leaves, followed by dehydration and hardening, and the whole leaf turns yellow-brown and scorched, resembling being burned by fire. In severely affected orchards, most leaves may drop between June and July, causing a second round of flowering and budding, and severely damaged buds cannot continue to grow and die.

  • What should be noted in summer management of apple trees?

    What should be noted in summer management of apple trees? Please introduce the following points to note for apple trees in summer: First, avoid excessive thinning of branches. Excessive thinning of branches easily stimulates dormant medium and short branches to sprout and grow again, and because a large number of leaves are removed, the photosynthetic capacity of the tree is weakened, which is not conducive to nutrient accumulation and flower bud formation...

  • Common Summer Pests and Diseases of Apple Trees and Their Control Methods

    What pests and diseases of apple trees need to be controlled in summer? Here are several pests and diseases that may need to be controlled in summer apple orchards for reference: 1. Peach fruit borer: The larvae bore into the fruit and cause damage, resulting in deformed fruit development and the formation of "monkey-head fruit," "bean-paste-filled fruit," and the like. Commonly used pesticides are 2.5% Kung Fu at 1500x dilution, or chlorpyrifos...

  • Control Methods for Phomopsis Leaf Spot on Pineapple Trees

    How do you control Phomopsis leaf spot on pineapple trees? What harm does Phomopsis leaf spot on pineapple trees cause? Please provide an introduction. Harm of Phomopsis leaf spot on pineapple: Phomopsis leaf spot on pineapple is a common disease, belonging to one type of leaf spot disease. It mainly damages leaves, affects leaf photosynthesis, and causes...

  • What are the key techniques for autumn pruning of apple trees?

    What are the autumn apple tree pruning techniques? Can any readers help explain? Zhongdiwang has compiled three autumn apple tree pruning techniques, listed below for readers' reference. Apple tree pruning method 1. Thinning branches: From September to October, remove excessively vigorous and dense branches on the upper side of the limb and suckers near the pruning cuts. At this time...

  • What are the key points of pruning techniques for aging apple trees?

    What are the pruning techniques for aging apple trees? Is there an experienced gardener who can help explain? Aging apple trees generally have small new shoot growth, produce many branches, have many flower buds but bear little fruit, many small branch groups in the inner canopy die off, the fruiting position shifts noticeably outward, the inner canopy becomes bare, and many water sprouts emerge from the middle and lower parts, which is very unfavorable for increasing yield...

  • When is the best time to fertilize apple trees?

    When is a good time to fertilize apple trees? Can any netizens help explain that apple tree fertilization is generally divided into two types, base fertilizer and top dressing, and the specific fertilization time must also be determined according to the apple variety, the fertilizer requirements of the fruit tree, and the growth and fruiting status of the tree. Zhongdi Web has compiled the fertilization periods and methods for apple trees, listed in detail below...

  • How to Supplement Calcium for Apple Trees? A Full Analysis of Scientific Methods

    How to supplement calcium for apple trees? When is the best time to supplement calcium for apple trees? We also ask experienced netizens to help explain that when apple trees are deficient in calcium, the tips of the roots turn brown, the branches and leaves grow excessively and become soft in texture, affecting the accumulation of sugars in the fruit, with less fruit bloom and a faint aroma, poor maturation of new shoots, and weakened tree vigor. It will also...