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How to manage spring corn at the booting stage? Please keep this list of precautions
After the spring corn seedlings joint and the outer plants grow rapidly, the internal tassels and ears differentiate one after another; in the differentiation sequence, the tassel is slightly ahead of the ear. When the plant still has one to two leaves that have not yet extended their young leaves, this is commonly known as the small trumpet to large trumpet stage. Tassel and ear differentiation respectively enter the tetrad stage and the floret differentiation stage. The tassel is the key period for pollen formation...
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Occurrence Patterns and Control Methods of Black-Streaked Dwarf Disease in Spring Corn
Black-streaked dwarf disease is a viral disease transmitted by the virus-carrying small brown planthopper (Laodelphax striatellus), with the seedling stage being the main susceptible period. Since the 1990s, with changes in planting structure, black-streaked dwarf disease in single-season rice and spring corn in Chun'an County has worsened year by year, especially since 2000, when rice black-streaked dwarf disease has occurred throughout the county,...
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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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Pest and Disease Control Methods for Mango During the Flowering and Young Fruit Stages
The flowering and fruit-setting stage of mango is an extremely critical period in mango production management. The management measures for the flowering and fruit-setting stage include the following aspects: 1. Tidying up flowering branches and shoots. About 2 months before flower bud differentiation, remove overly dense branches, shaded weak branches and diseased or pest-infested branches, leaving only 1-2 shoots per branch. This can increase the tree canopy's...
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Symptom Identification and Control Methods of Rapeseed Viral Diseases
[Distribution and Damage] It occurs to varying degrees in all rapeseed-producing areas across the country, and generally the winter rapeseed areas suffer more severe disease than the spring rapeseed areas. This disease is caused by single or mixed infection of viruses such as Turnip mosaic virus (TuMV), Cucumber mosaic virus (CMV), Tobacco mosaic virus (TMV) and Rapeseed mosaic virus (YMV). Generally, yield is reduced by 20%-3...
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What are the control methods for rape black spot disease?
I. Symptoms Rape black spot disease mainly damages leaves, leaf stalks, stems and siliques. When leaves are infected, brown round spots appear initially, slightly concentric-ringed, sometimes with a yellow halo around them, and under high humidity black mold-like growth forms on them. When the leaf stalk and the junction between the leaf stalk and the main stem are infected, elliptical to spindle-shaped ring-patterned spots form, encircling...
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How to prevent and control pests and diseases in autumn-stubble small bok choy?
In traditional rapeseed cultivation, the first step is to raise seedlings in a seedbed, then plow the main field, make beds, and transplant. The many steps, high labor demand, great labor intensity, and high cost restrict the expansion of rapeseed planting area and the improvement of economic returns. In recent years, other places and local areas have been demonstrating and gradually promoting a new rapeseed cultivation technique...
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Identification and Control Methods for Common Lotus Root Diseases
What are the common lotus root diseases and how to control them? Asking for advice. Common lotus root diseases are: 1. Lotus root brown spot disease: a common leaf disease of lotus root, producing light brown lesions on the leaves, causing localized drying of the diseased leaves. Control methods: rational close planting to ensure ventilation and light penetration in the lotus field; appropriately increase the application of phosphorus and potassium fertilizers to enhance...
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What are the disease control methods for lotus root cultivation?
How do you control diseases when growing lotus root? What are the techniques? Lotus root is a high-yield, high-efficiency aquatic economic crop and a vegetable variety commonly eaten by the general public. It is widely cultivated in various regions, and with industrial restructuring in various places, its cultivation area has been continuously expanding. In recent years, lotus root diseases have become increasingly serious and have...
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How to prevent red mushroom disease in straw mushrooms? Introduction to practical methods
"Red mushroom disease" may be brown rot, also known as blister disease, wet bubble disease, etc. It mainly affects button mushrooms, straw mushrooms, oyster mushrooms, etc. The disease is caused by a pathogen called Mycogone perniciosa. The main symptoms are: the conidia and chlamydospores of Mycogone perniciosa only infect the fruiting bodies, not the mycelium. When the fruiting body is lightly infected, ...
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