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What management techniques are there to prevent and control grape berry cracking?
Grapes are ready for market now, but berry cracking is severe. How can grape berry cracking be prevented and controlled? We asked friends for help and have gathered a few points from Zhongdi Network on preventing and controlling grape berry cracking. The following is a detailed introduction for your reference. 1. Due to the heavy rainfall this year, during the fruit coloring stage the berries absorb water through the berry surface and roots, creating great turgor pressure inside the fruit, which has caused varying degrees of berry cracking in many grapes. Timely cultivating and loosening the soil after rain reduces fluctuations in soil moisture and can effectively prevent cracking at the top of the grapes.
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How do you control pests and diseases in sweet cherry trees at each stage?
How do you control pests and diseases in sweet cherry trees at each stage? Please explain the methods for preventing diseases and pests at each stage of sweet cherry. The main pests and diseases of sweet cherry include white peach scale, green plant bug, leafminer, shot hole disease, leaf spot disease, crown gall, and gummosis. The following introduces the pest and disease control methods for each stage of sweet cherry for reference: 1. Cherry...
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What pests and diseases need to be controlled during the cultivation of Angelica dahurica?
What pests and diseases need to be controlled when growing Angelica dahurica? Please explain the control methods. The following pests and diseases need to be controlled in Angelica dahurica cultivation: 1. Diseases: Diseases occur relatively rarely in Angelica dahurica production, but gray leaf spot and leaf spot sometimes occur. This disease is caused by a type of imperfect fungus among the fungi, and mainly harms the leaves. The lesions are initially dark green...
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How to prevent and control gray mold in lettuce cultivation?
It is lettuce planting season once again. In previous years, gray mold has caused damage every time. How should lettuce gray mold be prevented and controlled this year? We also ask fellow growers to share their methods. The harm gray mold causes to lettuce: gray mold mainly damages lettuce leaves and the base of the stem. Seedlings are mostly affected on the stem and leaves near the ground, and after transplanting, the disease starts from the old leaves...
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Lettuce Cultivation: How to Prevent and Control Lettuce Brown Spot and Black Spot?
Last year, brown spot and black spot were found in lettuce cultivation. How to prevent and control lettuce brown spot and black spot? Are there any netizens' guidance methods to prevent and control the harm of brown spot and black spot to lettuce: Both lettuce brown spot and black spot mainly damage the leaves. Lettuce leaves harmed by brown spot show two types of symptoms: one...
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What pests need to be controlled during the cultivation of white fungus?
What pests need to be controlled when cultivating white fungus? Please explain the control methods. The pests that need to be controlled when cultivating white fungus are: 1. Fungus gnats, mainly small fungus gnats. Control measures: regularly clean up the environment and spread lime powder for disinfection; install screen mesh on doors and windows, and regularly spray pyrethrum liquid or 2000-fold dilution of Yitaibao on the mesh; install blacklight lamps inside the room to trap and kill them...
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What diseases need to be prevented and controlled in white fungus (Tremella fuciformis) cultivation?
What diseases need to be prevented and controlled in white fungus cultivation? Please give an introduction. The diseases that need to be prevented and controlled in white fungus cultivation are: 1. Powdery mildew, also called white rot, the pathogen is Acremonium. Control methods: strengthen ventilation and reduce humidity in the mushroom house; when young fungi appear, spray lime-sulfur mixture, and harvest early, scrape off with a sharp knife including the roots, the fungus base can be smeared with...
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When is the best time to control the soybean pod borer?
When is the best time to control the soybean pod borer? Here is an introduction. The soybean pod borer is a major pest in soybean production. In ordinary years the pod damage rate is 5%-10%, and in severe years it can reach 30%-60%. Damaged beans not only reduce yield but also degrade quality. Mastering the right timing and methods for controlling the soybean pod borer can...
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How to control bean hawkmoth in soybean cultivation
How to control bean hawkmoth when growing soybeans? Please introduce the soybean bean hawkmoth: Damage symptoms The bean hawkmoth feeds on leaves as larvae. Young larvae eat them into a net-like, notched pattern, and after the third instar the larvae can eat all the soybean leaves, preventing the plants from setting pods, which has a huge impact on yield. Occurrence pattern From mid-to-late July to August...
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Summer control methods for the soybean stem miner fly
How to control the stem miner fly when planting soybeans in summer? Please give an introduction. The bean stem miner fly belongs to the order Diptera and the family Agromyzidae, and is a widely distributed boring pest of legumes. The newly hatched larvae enter through the leaf veins and the tender parts of the leaf stalks, then bore into the branches and main stem to feed on the pith and xylem. If control is not timely, in light outbreak years the damage rate of soybean plants...
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