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What are the common diseases of cucumbers in cold frames? How to prevent and control them
Abstract Downy mildew: spray 25% metalaxyl 800x solution, once every 7-10 days, for about 3-6 days in a row. Fusarium wilt: use 50% thiophanate-methyl 400x solution, or 50% carbendazim 500x solution and other chemicals to drench the roots. Powdery mildew: spray 40% DuPont Fuxing 2000x solution
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How to Grow Jasminum multiflorum (Downy Jasmine)? Growing Methods and Precautions
Jasminum multiflorum has very beautiful flowers and a very pleasant fragrance. Many people are willing to grow a pot of it at home, but find that after planting it, all kinds of problems appear. So how exactly should Jasminum multiflorum be grown? What do we need to pay attention to when cultivating it
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What are the control methods for downy mildew in mustard?
Mustard (Brassica juncea) is an annual or biennial herbaceous plant of the genus Brassica in the family Cruciferae (crucifers). It is a famous specialty vegetable of China, native to China, and a commonly cultivated vegetable throughout the country, mostly distributed in the provinces south of the Yangtze River. The main and lateral roots of mustard are distributed within
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What to Do When Lettuce Gets Downy Mildew? Detailed Field Control Measures
Lettuce (scientific name: Lactuca sativa L. var. angustana Irish.), also known as celtuce, is a variety of the lettuce species in the genus Lactuca of the Asteraceae family that can form a fleshy tender stem, and is an annual or biennial herbaceous plant. It is also known by the aliases stem lettuce, asparagus lettuce, green lettuce, and wosun. Morphological characteristics of lettuce. Appearance of the stem.
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Integrated Control Methods and Technical Key Points for Cucumber Downy Mildew
Cucumber, a plant of the genus Cucumis in the family Cucurbitaceae. Also called huanggua or qinggua. The fruit is oily green or emerald green, with soft small spines on the surface. It is commonly cultivated throughout China, and is now widely grown in temperate and tropical regions. Cucumber prefers warmth and cannot tolerate cold, and is one of the main greenhouse products.
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How to Achieve Good Control of Downy Mildew in Rapeseed
Rapeseed, also called oil cabbage or bitter cabbage, Latin name: Brassica campestris L., a plant of the Brassicaceae family and Brassica genus, native to our country, its stem is dark green, and its petiole is like that of Chinese cabbage; it is a variety of Chinese cabbage in the Brassicaceae family, and its flowers are yellow. In agronomy, the various species whose seeds contain oil are collectively called rapeseed.
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Integrated Control Methods and Technical Key Points for Spinach Downy Mildew
Spinach (Spinacia oleracea L.), also known as Persian spinach, red-root spinach, parrot spinach, etc., belongs to the genus Spinacia in the subfamily Chenopodioideae of the family Amaranthaceae, and is an annual herbaceous plant. The plant can reach up to 1 m in height, with a conical taproot that is reddish, rarely white, and leaves that are hastate to ovate, bright green, with entire or
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What are the control methods for downy mildew in loofah?
Loofah, in the Pearl River Delta loofah specifically refers to the eight-cornered gourd, a plant of the Cucurbitaceae family native to India, also known as vegetable gourd, widely cultivated in East Asia. It is a climbing herbaceous plant of the Cucurbitaceae family, with a strong root system. The stem is trailing, five-ridged and green, with both main vines and side vines growing
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How Cauliflower Downy Mildew Occurs and How to Control It
Cauliflower is a type of vegetable belonging to a variety of cabbage. Cauliflower is a cruciferous plant, a biennial or annual herb with broad leaves, a blunt base, wavy edges, smooth and hairless, bearing yellow-white flowers. Leaves grow from the root
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How to effectively prevent and control downy mildew in edamame
Introduction to edamame downy mildew: [Symptom characteristics] Mainly damages leaves. Irregular small spots ranging from yellowish-white to yellow appear on the leaf surface, and corresponding gray loose mold signs (sporangiophores and sporangia) appear on the underside of the leaves. In severe cases, the leaves dry up and fall off. [Pathogen and disease characteristics] Pathogen
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