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Control Methods and Key Technical Points for Sclerotinia Rot of Rapeseed
Sclerotinia rot of rapeseed, also called stem rot, is a fungal disease. It has a long period of harm, occurring from emergence to maturity, and is most prevalent after flowering. 1. After infection at the seedling stage, reddish-brown spots appear on the stem base and leaf stalks, then expand and turn white, with white cottony mycelium on the rotting tissue, and finally...
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Leaf Color Diagnosis and Control Methods for Red and Yellow Seedlings in the Rapeseed Seedling Stage
Rapeseed stem rot, commonly known as "white stalk", "hemp stalk", "moldy root crown" and so on, is one of the main diseases affecting rapeseed growth. The control of rapeseed stem rot should focus on prevention, and the main technical control measures are as follows. 1. Prevent seed-borne infection: eliminate sclerotia and kill pathogens on seeds through screening, air separation, chemical seed dressing and other methods...
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Weed Occurrence Characteristics and Control Methods in Rapeseed Fields
To obtain high quality and high yield in cultivated rapeseed, in addition to normal management such as timely sowing to secure seedlings, weeding and reducing waterlogging, skillful fertilizer application is the key to high yield. 1. Apply sufficient base fertilizer. Applying sufficient base fertilizer is the foundation for high rapeseed yield and should account for about 60% of the total for the whole growing period. To achieve a yield target of about 250 kg per mu, for medium-fertility...
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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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There are taboos in rapeseed cultivation; pay attention to these few things
Traditional rapeseed cultivation first requires raising seedlings in a seedbed, then plowing the main field, making beds, transplanting, and so on. The many steps, high labor demand, heavy 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 are demonstrating and gradually promoting a new rapeseed cultivation technique...
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Key Technical Points for Integrated Control of Rapeseed Sclerotinia Stem Rot
Rapeseed sclerotinia stem rot is a major disease of rapeseed, widely distributed in China, especially common in the Yangtze River basin and the south. In ordinary years, incidence ranges from 10% to 30%, and in severe cases reaches 80%, causing very serious losses. Rapeseed sclerotinia stem rot is caused by a fungus, and it can occur at all stages of rapeseed growth, but it is most severe after flowering...
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What to do about low grape fruit set? Practical methods to improve fruit set
How to improve the fruit set rate of grapes
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Don't Hard-Scrape or Water When Your Flower Pot Soil Is Compacted - Add This to Make It Loose and Airy
More and more people love growing flowers, and many of them keep some plants and greenery at home. But many flower growers say that in the process of growing flowers, they have run into the problem of compacted soil in their pots, and some even say that the soil in their pots has...
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What is the difference between Shatian pomelo and grapefruit? A quick guide to tell them apart
Leaf differences: Shatian pomelo leaves are thick and dark green, broadly ovate or elliptic; grapefruit leaves are ovate, thickly leathery and dark green. Flower differences: Shatian pomelo has racemes with white flowers; grapefruit has cymes with white flowers. Fruit differences: Shatian pomelo fruit is spherical, pear-shaped or broadly conical; grapefruit peel is yellow, and the flesh is pale pinkish-white.
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A grape vine stump picked from a trash can took root, sprouted, and even grew small grapes
Gardening friend Mr. Wu found an old stump next to a trash can. Because the weather was cold at the time and the leaves had not yet grown out, it was hard to tell what kind of root stump it was. He took it home and potted it up, and after keeping it warm and moist, it finally grew small leaves. After caring for it for a while, ...
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