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What are the symptoms of leaf blight in daylily (Hemerocallis citrina), and how should it be prevented and controlled?
Daylily, also known as golden needle vegetable, lemon daylily, or forget-sorrow grass, is a plant whose flowers can be dried and eaten as a vegetable, and can also be used as a medicinal food supplement, with effects such as calming the nerves, stopping bleeding, aiding digestion, and improving eyesight. Daylily is mainly cultivated in Shanxi, Shandong, Anhui, Zhejiang
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How can mango dew spots be prevented and controlled effectively?
Summary Tree care: Improve the tree's immunity and disease resistance by supplementing organic matter and chemical fertilizers. Regularly spray protective fungicides and organic chelated calcium fertilizer: prevent pathogen infection, strengthen fruit flesh cells, promote the fruit's wax coating, thereby achieving the effect of preventing dew spots.
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How to raise seedlings of baby napa cabbage, and what planting density is suitable?
Abstract Baby napa cabbage seedlings should be raised in summer or autumn. First dig the ground well. When cultivating, fertile soil should be chosen, preferably sandy soil or clay soil that drains and irrigates easily. Then scatter the seeds on top of the soil, taking care not to scatter them too densely. After scattering,
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When planting mangoes, density must be well controlled, with timely weeding in the later stages and scientific fertilization.
Abstract Orchard site: requires a relatively thick soil layer, soil that does not easily become compacted and does not waterlog, and proximity to a water source so that irrigation is possible during spring drought. Density: varies according to climate, soil fertility and cultivar; the commonly used spacings are 4 by 4 m, 4 by 5 m, 5 by 6 m and so on, 3 kinds in total. Planting: best done from June to August.
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Sugarcane borers cause great damage; how can they be controlled scientifically?
Sugarcane (scientific name: Saccharum officinarum) belongs to the genus Saccharum and is a perennial tall solid herb. Its rhizomes are thick and well developed. The stalks are 3-5 (-6) m tall. It is widely cultivated in tropical southern regions such as Taiwan, China, Fujian, Guangdong, Hainan, Guangxi, Sichuan and Yunnan. Sugarcane
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What causes bolting and deformed roots in carrots, and how can they be prevented and controlled?
The carrot, also known as red radish, clove radish, and hulufujin, and also called hulufu, red beet, and yellow radish, is an umbelliferous biennial herbaceous plant, grown as a vegetable for its fleshy root. Every 100 grams of fresh carrot contains 1.67-12.1 mg
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Early defoliation of apricot trees can be effectively controlled with EM original solution
Editor's note: Zhou Jinlong from Dongniuzhuang Village, Guangzong County called to report that 4 years ago he introduced the "Zaohe" apricot variety from Julu County, and since last year he has seen defoliation during the growing season, and this year it is even more serious, with basically no fruit setting. He asked whether there is a good method to control early defoliation of apricot trees.
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How are pests and diseases prevented and controlled during lemon cultivation?
The main fungal diseases of lemon fruit during storage are: black rot, sour rot, stem-end rot, blue and green mold, and anthracnose; the main physiological diseases are: dry scar and edema. (1) Stem-end rot: divided into brown stem-end rot and black stem-end rot, their symptoms are similar, but brown stem-end rot
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Wheat blossom midge can be controlled by broadcasting pesticide-treated soil at the booting stage
The wheat blossom midge overwinters as mature larvae in round cocoons in deep soil and can remain dormant for many years. In spring, when the soil temperature at 10 cm rises to about 7°C, which is when wheat begins jointing, the larvae break out of their cocoons and move toward the soil surface. In mid-April, wheat enters the booting stage, and the larvae
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How should aphids on peanuts be controlled?
Peanuts are eaten quite a lot in our daily lives. We all know that peanuts have many benefits: eaten raw, they can help nourish the blood, and they can also be pressed into peanut oil, which is also very good. Therefore, peanuts have many uses. How to control aphids when growing peanuts
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