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How can celery sclerotinia rot be controlled effectively?
What should you do when sclerotinia rot affects celery? Celery sclerotinia rot can damage leaves, petioles and stems. Usually the leaves are affected first, showing dark dirty patches, and when humid the surface is densely covered with white mold. It then spreads downward and causes the petioles and stems to become affected. The affected parts are brown and water-soaked, and when the disease progresses rapidly soft rot forms, with white...
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What are the methods for preventing and controlling pests and diseases in wood ear mushrooms?
Symptoms of green mold disease in wood ear mushrooms: After the spawn bags, spawn bottles, the area around the inoculation holes in log wood, and the fruiting bodies are infected by green mold, white slender hyphae first grow on the culture material, log wood, or fruiting bodies. After a few days, conidia can form. Once the conidia form in large numbers or mature, the colony turns green and powdery....
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What causes yam plant death, and how should it be prevented and controlled?
Yam plant death has now been found to be very serious. What causes yam plant death and how should it be treated? The main causes of severe yam plant death are fusarium wilt, anthracnose and brown rot. These three diseases are mainly spread through rainwater and irrigation, and the current period of high temperatures and frequent rain also creates conditions for the occurrence of these three diseases....
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What are the methods for controlling rapeseed aphids?
[Distribution and damage] The aphids that damage rapeseed are mainly three species: the turnip aphid (Lipaphis erysimi), the green peach aphid (Myzus persicae) and the cabbage aphid (Brevicoryne brassicae). The turnip aphid and the green peach aphid occur commonly in all provinces (regions) of China. These three aphids often occur together on rapeseed, using their needle-like mouthparts to...
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What are the methods for preventing and controlling pests and diseases in bitter melon?
How do you prevent and control pests and diseases in bitter melon? Please advise, thank you. The pests that are relatively difficult to control in bitter melon include the melon fruit fly, melon aphid, and melon webworm. 1. Melon fruit fly: commonly known as the "needle bee," the adult lays eggs in the fruit, and the larvae bore and feed inside the flesh, causing the fruit to rot and even drop, seriously affecting fruit quality and yield. Currently it is...
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What are the methods for controlling mango pests and diseases?
How should mango pests and diseases be controlled? Which methods are effective? Integrated control of mango pests and diseases implements the plant protection policy of "prevention first, integrated control", based on improving the orchard ecological environment and strengthening cultivation management, comprehensively applying various control measures, giving priority to agricultural measures, biological control and physical control...
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What are the methods for controlling cowpea rust in autumn?
How do you prevent rust when growing cowpeas in autumn? Please explain: the growing environment for autumn-planted cowpeas has high temperatures and relatively abundant rainfall, and in addition the amount of inoculum (urediospores) left behind in the field from spring-planted cowpeas is large. Therefore, autumn-planted cowpeas are prone to rust, and farmers should carry out integrated control early. Main symptoms: cowpeas can be infected by the pathogen throughout the entire growing period...
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"Five Measures" for Effectively Controlling Black Head Disease in Enoki Mushrooms
Black head disease, also known as bacterial brown blotch disease, is caused by a Pseudomonas bacterium belonging to the phylum Schizomycophyta and the class Schizomycetes. The pathogen is rod-shaped, forms white colonies, and shows a negative reaction to Gram staining. 1. Conditions for occurrence: The internal cause of this disease is the variety's lack of disease resistance, while the external causes are high temperature, high humidity, or spraying unclean...
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Eight Detailed Methods for Controlling Mites in Substitute-Material Wood Ear Mushrooms
Rapeseed cake powder trap method: take an appropriate amount of rapeseed (0,-5025.00,-100.00%) cake, grind it into powder, put it in a hot wok, and stir-fry over low heat until the powder gives off a rich oil fragrance, then remove from the wok. On the surface of the growing substrate or bed where the mushroom mites are causing damage, cover with a wet cloth, then lay a piece of gauze on top of the wet cloth, sprinkle the fragrant rapeseed cake powder onto the gauze, and wait...
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What are the methods for preventing and controlling lily pests and diseases?
Planted for just over a year, the eucalyptus grew to 15 m, increasing by more than 1 m per month on average! This is the eucalyptus growth rate achieved by Zhang Quanhai, a forest farmer in Min'an Town, Fogang County. Zhang Quanhai revealed that scientific planting management and the rational application of compound fertilizer and calcium-magnesium fertilizer are the secret to the rapid growth of his eucalyptus. Being both a fertilizer dealer and a wood...
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