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Detailed Guide to Symptom Identification and Control Methods for Asparagus Stem Blight
Asparagus is a valuable vegetable with excellent taste and quality. With the continuous improvement of people's living standards, the demand for asparagus in domestic and international markets is growing. Because asparagus has strong drought tolerance, it is particularly suitable for cultivation in the Tianjin area. However, as the number of planting years increases and the area expands, the occurrence of stem blight becomes more and more severe, with some fields...
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What to Do When Open-Field Melons Get Mosaic Virus Disease? Symptom Identification and Control Methods
Symptoms: In the early stage of the disease, the leaves show mosaic mottling interwoven with yellow-green and dark green, the leaves become smaller, and the leaf surface is wrinkled, uneven, and curled. The main vine is distorted and stunted, the plant is dwarfed, the melons are small, and the fruit surface has mottled patches of alternating light and dark, or slight bump-like protrusions. Causes: The incidence of mosaic virus disease has been relatively high in recent years...
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Identification and Control Methods of Soybean Cyst Nematode Disease
Soybean cyst nematode disease, also called "huolongyangzi" disease, is caused by nematodes parasitizing the roots of soybean. Diseased plants have poorly developed root systems, with a marked reduction in lateral roots, slow growth, stunted plants, yellowing stems and leaves, small pods with shriveled seeds, or no seed set, and even death of the entire plant. When diseased plants are pulled up and examined, many needle...
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What are the benefits of aloe vera? Beauty care, anti-inflammation, and air purification
When it comes to aloe vera, many friends keep a few pots of it at home. Quite apart from anything else, being easy to keep alive and not needing daily fuss are definitely important reasons why aloe vera is so popular among flower lovers. And besides being easy to grow, aloe vera has many practical...
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Symptom Identification and Control Methods of Rice Blast Leaf Spot on Water Bamboo
Rice blast leaf spot is a major disease of water bamboo, widely distributed and commonly occurring, found in all water bamboo growing areas, with more severe incidence in summer and autumn, diseased plants often reaching 80%-100%, significantly affecting water bamboo production. [Symptoms] This disease mainly affects the leaves. The lesions initially appear as small brown necrotic spots, which later develop into nearly oval to spindle-shaped...
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Identification Methods and Control Techniques for Rice Sheath Blight in Water Bamboo
[Symptom Characteristics] Water bamboo blast, also known as water bamboo gray heart disease, mainly infects the leaves. Leaf lesions fall into 3 types: acute, chronic and brown spot. Acute-type lesions are round-dot shaped, dark green, with a grayish-green mold layer (conidiophores and conidia) on the back of the lesion that is relatively obvious; their appearance is a precursor to a water bamboo blast epidemic. Chronic-type lesions are nearly spindle-shaped, ...
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Symptom Identification and Spring Control of Watermelon Fruit Flesh Deterioration
Symptoms: When watermelon fruits are exposed to the scorching sun, the fruit surface temperature becomes very high, and the fruit tissue is scorched and necrosed, forming a dry scar. Cause: Sunburn is related to variety; varieties with dark rind color are prone to it. Secondly, in hilly areas where the soil is relatively poor, the plants have weak vegetative growth and few vines and leaves, and the disease occurs frequently when the fruits are exposed...
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Key Technical Points for Seed Selection and Purification-Rejuvenation of Water Bamboo (Zizania latifolia)
When selecting seeds for planting water bamboo, the "three selections" are generally carried out, namely primary selection, re-selection and fine selection. Six to seven days before the autumn water bamboo harvest, the primary selection is carried out. The method is to select plants with medium height, large fleshy stems, flat stalks, long leaf sheaths, and uniform, neat growth, matching the variety's characteristics, as seed plants. During the water bamboo harvest period, the re-selected plants are those from which gray water bamboo and male...
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Symptom Identification and Control Techniques for Lettuce Gray Mold
A reader from Jiangsu asks: what are the symptoms and control methods of lettuce gray mold? Answer: Lettuce gray mold mainly damages leaves and stems, and infection can occur from the seedling stage to the mature plant stage. Infection at the seedling stage. Leaves and young stems show water-soaked rot, with gray mold growing on the diseased parts. Leaf infection. It starts from the mature leaves near the ground...
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Symptom Identification and Control Methods for Kidney Bean Leaf Spot Disease
It mainly affects the leaves. The leaf spots are round or nearly round, mostly occurring at the leaf tip or leaf margin, with brown edges and a light brown to grayish-brown center; when humid, small black dots are scattered or arranged in concentric rings on the spots. Control methods: strengthen management inside the greenhouse (such as frequently applying foliar fertilizer such as Fengshou No. 1), especially controlling air humidity. Then there is chemical control, ...
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