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What are the harmful symptoms of scale insects on peach trees?
What harm do scale insects do to peach trees? How can they be controlled effectively? We ask netizens to help introduce this. Zhongdiwang has compiled the harm caused by scale insects to peach trees and the control methods, listed below for netizens' reference. Harm of scale insects to peach trees: Scale insects, also called white peach scale, are a pest that commonly and severely occurs on peach trees...
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How to control aphids on fruit trees? These methods are simple and effective
How to control aphids when growing fruit trees? Please introduce effective and practical control methods. The harm caused by aphids: when aphids pierce and suck plant sap, they secrete saliva, and because this saliva is toxic to plants, after it is injected into plant tissues it often causes leaf spots, curled and wrinkled young leaves, galls, tumors and various other types of damage...
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How to Use Chitin Series Fungicides on Fruit Trees
How should chitin series fungicides be used on fruit trees? Please provide an introduction. Chitin fungicides are a new type of fungicide that has recently emerged. They not only have fungicidal and disease-prevention effects, but can also promote the growth and development of fruit trees, increase fruit tree yield and quality, and are relatively good for improving the environment. They are worth promoting in current pollution-free cultivation of fruit trees...
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Which pesticides are prone to causing phytotoxicity when sprayed on fruit trees
Which pesticides can cause phytotoxicity in fruit trees? Please give an introduction. Pesticides that can cause phytotoxicity in fruit trees include: Omethoate: Apricot, pear, peach, fig and other fruit trees are sensitive to this pesticide solution at dilution concentrations below 1500 times, and phytotoxicity is very likely to occur when sprayed. In addition, during high-temperature seasons (above 30°C), use it as little as possible...
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Which pesticides are prohibited for fruit trees? Medication taboos fruit growers need to know
Which pesticides cannot be used on fruit trees? Please introduce the following ten pesticides that cannot be used on fruit trees: 1. Phosphamidon: prohibited for peach trees. 2. Methamidophos: prohibited for all kinds of fruit trees. 3. Dichlorvos: prohibited for stone fruit trees. 4. Dimethoate and omethoate: peach and pear are sensitive to solutions diluted less than 1500 times, so test before use to determine the safe concentration;
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Which pesticides cannot be used on fruit trees?
Which pesticides cannot be used on fruit trees? Please refer to the following introduction on pesticides unsuitable for fruit trees: Phosphamidon: avoid on peach trees. Dichlone: avoid on all fruit trees. Dichlorvos: prohibited on stone fruit trees. Dimethoate, omethoate: peach and pear are sensitive to solutions diluted less than 1500 times, so test before use...
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Scientific Methods for Using Fruit Tree Growth Regulators
How should growth regulators be used scientifically on fruit trees? Guidance requested. The following methods of using plant growth regulators can be used for reference: 1. Cutting rooting. Mainly used for grapes, kiwifruit, and apple dwarfing rootstocks. The commonly used agents are auxins such as indolebutyric acid (IBA), naphthaleneacetic acid (NAA), and sodium naphthaleneacetate. Methods of use: ①...
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Precautions for Using Plant Growth Regulators on Fruit Trees
What should be noted when applying plant growth regulators to fruit trees? Plant growth regulators are synthetic organic compounds that promote, inhibit or otherwise alter a specific growth process in plants. Although they are trace substances, they can produce noticeable effects. But improper use often backfires, while rational use...
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Methods for Using Plant Growth Regulators on Flowers and Trees
Plant growth regulators play important roles in regulating the growth of ornamental plants, preventing excessive leggy growth, promoting rooting, cultivating strong seedlings, controlling sex differentiation, preventing flower and fruit drop, enhancing resistance, and preserving freshness during storage. However, the methods of using different plant growth regulators vary depending on the type of agent, the target plant, the purpose of use, and the plant's growth conditions...
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