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How to grow sweet potatoes for higher yields? These four methods are very practical
For inverted planting, first cut off the top 2-3 nodes of the sweet potato vine, then cut it into sections of 4 nodes each, remove the petioles and leaves of the upper two nodes of each section, keep the petioles and leaves of the lower two nodes, and plant them upside down on the ridge, so that one petiole base is left exposed above the ridge surface
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How to prevent sweet potato storage diseases? These methods are very practical
Safe storage of fresh-eating sweet potatoes over winter and off-season sales bring potato farmers relatively high economic benefits. In the sweet potato-producing areas on the outskirts of Beijing, storing sweet potatoes has become fashionable. Fresh potatoes are large in volume, high in water content, tender in tissue, and thin-skinned, easily damaged, susceptible to chilling injury and disease infection, which leads to rot
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What are the control methods for sweet potato black star disease?
Sweet potato black star disease, also known as black spot disease. [Pathogen scientific name] Alternaria bataticola Ikata. [Host crop] Sweet potato. [Disease diagnosis] It damages leaves, petioles and stems. When leaves are affected, water-soaked brown spots first appear, and after expansion the lesions become round, ell
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What are the control methods for sweet potato violet root rot?
Sweet potato violet root rot, commonly known as "red vein net," "retained skin," etc. [Pathogen scientific name] Helicobasidium mompa Tanaka [Host crops] Sweet potato, potato, soybean, peanut, cotton, mulberry, tea, fruit trees, forest trees, etc. [Disease diagnosis] It damages the tubers and underground stems
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What are the control methods for sweet potato stem nematode disease?
Sweet potato stem nematode disease, commonly known as "chaff heart disease." [Pathogen nematode scientific name] Ditylenchus destrutor Thorne. [Host crops] Sweet potato, potato, lily, ginseng, mint, Angelica sinensis, etc. [Disease diagnosis] It mainly damages the tuberous roots, followed by the stems and vines. Tuberous roots affected
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What are the control methods for sweet potato weevil
The sweet potato weevil is also called the sweet potato ant-weevil; in Guangdong it is called shazi bug or shala bug, and it is one of the main pests harming sweet potatoes. In autumn sweet potatoes cultivated on dry sloping land, it occurs rather severely in the middle and late stages, with a general damage rate of 10%-15%, and in severely affected plots up to 40%-50%. Control methods
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What are the control methods for sweet potato soft rot?
1. Harvest at the right time and avoid mechanical injury. Summer sweet potatoes should be harvested completely around the time of Frost's Descent, and autumn sweet potatoes should be harvested completely before the Start of Winter. Choose a sunny day for harvesting, and when digging the potatoes, minimize or avoid causing wounds. 2. Select healthy potatoes carefully to ensure safe storage in the cellar. Before the sweet potatoes are put into the cellar, they must be carefully selected,
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What are the multiple control methods for sweet potato black spot disease
Sweet potato black spot disease, also known as sweet potato black scar disease, has become one of the most widespread and serious diseases in sweet potato producing areas of China. According to statistics, the annual yield loss caused by this disease in China is 5%-10%, and livestock eating diseased tubers can also cause poisoning, with severe cases leading to death. I. Symptoms
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Sweet Potato Storage Tips: Keep These Methods in Mind
1. Types of storage cellars: Sweet potatoes are stored in vertical shaft cellars, which are generally 4.5-5 m deep, with a soil layer 2.5-3 m thick above the cellar chamber. 2. Disinfection of the storage cellar: Store seed potatoes in a sterile cellar; it is best to use a new cellar. If an old cellar is used, scrape 3-4 cm off the walls and floor to expose fresh soil.
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What are the control methods for pepper seedling leaf curl disease?
When peppers are grown as seedlings in winter and spring, after transplanting (dividing seedlings) leaf curl, arrested growth and even death often occur. I. Causes and symptoms (1) Physiological disease: long-term low temperature and high humidity in the seedbed cause poor plant development, yellowing of stems and leaves, curling and shrinking of the terminal leaves, and stunted growth; in severe cases the roots are waterlogged and rot, the roots turn rusty in color and then decay.
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