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How to prevent and control angular leaf spot of winter melon? First, recognize the disease symptoms
Symptoms: It mainly affects leaves, petioles, and fruit. It can be affected from the seedling stage to the mature plant stage. When true leaves are infected, bright green water-soaked spots appear first, gradually turning light brown; the lesions are restricted by leaf veins and become polygonal, yellow-brown, and when humidity is high, milky white cloudy water-drop-like bacterial ooze exudes from the underside of the leaves, and the diseased tissue is brittle and easily perforated. When stems and petioles are infected, ...
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There are many local varieties of winter melon, and pest and disease control needs to be strengthened
Winter melon has high yields and is widely cultivated in our country. Every year when the autumn harvest peak arrives, prices often plummet. If farmers use their existing conditions to store winter melon for extended preservation, they can both extend the sales and supply period of winter melon and increase economic benefits, making it worth promoting and applying. 1. Suitable storage conditions and preparation before storage: Winter melon likes...
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How to identify and control common diseases and pests of winter melon?
Spring-planted winter melon is rich in nutrients; every 100 grams of fresh melon contains 96.6 grams of water, 0.4 grams of protein, 19 mg of calcium, 12 mg of phosphorus, 18 mg of vitamin C and other nutrients. In recent years, demand for winter melon has been increasing in various places. Spring-planted winter melon has high yields, and some varieties can reach up to 10,000 kg, after...
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Key Technical Points for Spring Open-Field Cultivation of Ground-Trailing Winter Melon
Ground-trailing winter melon has the advantages of saving trellis materials, reducing labor for building trellises and tying vines, lower costs, being convenient for intercropping and relay cropping, and relatively extensive cultivation management. During spring open-field cultivation in the early spring low-temperature season, intercropping pak choi, small radish, garland chrysanthemum and other vegetables in the vine-running beds can improve land utilization and increase vegetable yield. Our local farmers...
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How to protect longan from the cold in winter? These management points you need to master
1. Cultivate robust autumn shoots. Autumn shoots are the fruiting mother branches of longan for the coming year and are also one of the main branches for longan to overwinter. Whether the autumn shoots are robust affects their ability to withstand cold during overwintering. Therefore, the last autumn shoots of longan are generally controlled to emerge in mid to late October. Before the shoots emerge, it is best to apply a light application of nitrogen fertilizer and water, so that the shoots emerge uniformly, and strive to...
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Methods for Controlling Pests and Diseases of Lychee and Longan in Autumn and Winter
I. Pest species during the autumn shoot stage and their control. Autumn shoots are next year's fruiting branches; if they are eaten bare by pests, it will seriously affect next year's flower bud formation. The main pests of autumn shoots are leaf-eating types, including various geometrid moths and various leaf-rolling insects. Among them, the eriophyid mite (felt disease) and the longan psyllid, etc., cause the most serious damage from September to November each year...
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What are the winter management techniques for loquat trees?
First, apply winter fertilizer well, control excessive shoot growth, and strengthen the flower-forming genes and flower organs and ovaries. Promote and control, promote flowering, disinfect, and activate all in one go. This enables the fruit tree to bloom more and set more fruit year after year, protect and plump the fruit, and achieve stable yields and high quality. Second, carefully do the work of thinning and retaining flowers. For young loquat trees, growth should be allowed to expand the canopy, and the terminal flowers and...
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Guangdong's Oyster House is built entirely from oyster shells, and after 600 years it remains undamaged, going viral across the internet.
Guangdong's "Oyster House" has gone viral across the internet. It is built entirely from oyster shells, and after 600 years it remains completely undamaged! In China, a saying has been passed down from ancient times to the present: "Food is the first necessity of the people." This shows that in China, from ancient times to the present, people have always loved to eat...
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Detailed Explanation of Key Points for Banana Intercultivation and Weeding Techniques
The main diseases of banana include bunchy top disease, mosaic heart rot disease and leaf spot disease; the first two are both viral diseases transmitted by aphids. 1. Bunchy top disease, also known as bunchy top, banana male, shrimp banana, has symptoms of green veins on the leaf stalk, new leaves emerging narrower and narrower, crinkled, forming a clustered top, and unable to bear fruit. Diseased plants should be dug out and burned promptly, and...
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Key Cultivation Techniques for Winter-Spring Crop Eggplant in Greenhouses
1. Sowing and Seedling Raising: Choose early-maturing or mid-maturing varieties. For seedling raising in a sun-facing cold frame, sowing can be done from late November to early December, with a seedling age of over 90 days. If electric heating seedbeds are used for seedling raising, or seedlings are raised in a winter-warm greenhouse, the seedling age can be shortened to 70-80 days, meaning the sowing date can be postponed to mid-to-late December. The morphological indicator for seedlings of suitable age...
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