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Causes and Control Methods of Peanut Sheath Blight
How does peanut sheath blight occur? How to control it? (1) Disease pattern: Peanut sheath blight is a disease caused by a basidiomycete fungus. Young hyphae are colorless, turning yellow-brown when mature; they are branched, with a distinct constriction at the branch point and a septum not far from the branch. Hyphae on the surface of diseased tissue can form sclerotia, which have a rough surface...
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What to Do About Fruit Cracking in Pear Trees? Cause Analysis and Control Methods
What should be done about fruit cracking in pear trees? Please give guidance. Causes of fruit cracking in pear trees: First, excessive fruit growth, imbalanced soil moisture supply, and uneven fruit growth; second, no potassium fertilizer applied or insufficient potassium fertilizer causing fruit cracking; third, pear scab can also severely cause cracking. To control fruit cracking in pear trees, it should be done from May to July...
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How to Prune Greenhouse Tomatoes? Key Steps and Methods Explained
How to prune greenhouse tomatoes? Please explain the guidance: to achieve early maturity and high yield in greenhouse tomatoes, the single-stem pruning method is often used. For early-maturing varieties, only the main axis of the tomato is kept, and all lateral branches in the leaf axils are removed. For mid-to-late-maturing varieties, because of their strong growth vigor, continuous single-stem extension pruning and continuous pinching are usually adopted...
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What to Do About Spindly Greenhouse Tomatoes? Detailed Prevention and Control Methods
What to do about spindly greenhouse tomatoes? Please advise. The main causes of spindly or stunted seedlings in greenhouse tomato cultivation are insufficient light, excessively high temperatures and excessive moisture. Once seedlings become spindly or stunted, the harm is considerable. Spindly seedlings differentiate flower buds late, drop many flowers, have a low survival rate, and suffer major yield reductions, while early maturity cannot be achieved...
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How to grow sweet potatoes for vegetable use? Master the methods to grow them well
How to grow sweet potatoes for vegetable use well? Please guide the sweet potato vegetable growing techniques as follows: 1. Raising seedlings: hotbed seedling raising or open-field film-covered seedling raising can be used. Open-field film-covered seedling raising is generally sown in late March. The seedbed should be chosen as a plot sheltered from the wind and facing the sun with fertile soil, divided into beds 2 m wide, and on the bed surface open sowing furrows 0.6 m wide...
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Causes of High Empty and Filled Grain Rates in Hybrid Rice and Control Methods
What should you do if hybrid rice has many empty and shriveled grains? What methods can be used to control the high rate of empty and shriveled grains in hybrid rice? The following methods can be used for control: 1. Adapt measures to local conditions and select hybrid varieties with good recoverability. First, choose varieties with strong tillering ability, sufficient effective panicles, and high seed-setting rate and 1000-grain weight. Second, choose...
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Plum Tree Greenhouse Cultivation Methods and Key Technical Points
How to grow plum trees in a greenhouse? How should plum trees be managed when grown in a greenhouse? Please provide guidance. Greenhouse cultivation of plum trees can be managed with reference to the following methods: 1. Greenhouse construction and production procedures. The greenhouse is converted from an ordinary winter-warm vegetable shed. The varieties are 3-year-old 'Zao Meili' and 'Merton' plums, with a plant-to-row spacing of 1.8 x 2.5 m and an east-west row orientation. After proper pruning using the multi-main-branch natural open-center form and the improved central-leader form...
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Causes of Navel Orange Fruit Cracking and Control Methods
Why do navel oranges crack? How should they be prevented and controlled? Please give guidance. Generally, navel orange fruit cracking mostly occurs during the rapid fruit expansion stage and the fruit ripening stage. This is caused by the combined effects of fluctuations in soil moisture, temperature and relative air humidity, which make the flesh grow faster than the peel. Preventing and controlling navel orange fruit cracking...
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Greenhouse Peach Tree Cultivation Management Methods and Technical Key Points
How do you manage peach trees grown in a greenhouse? Please introduce the following methods for reference in managing peach trees grown in a greenhouse: 1. Removal of sprouts and pruning. During the bud break stage of peach trees in the greenhouse, promptly remove unreasonable sprouts. After flowering, according to the situation, promptly thin out overly dense branches, water sprouts, upright branches, shade-casting branches, and crossing branches. 4 to 6 weeks before harvest, cut back overly vigorous fruiting trees...
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How to trap and kill wasps? Introduction to several commonly used trapping and killing methods
Methods for trapping and killing wasps
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