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What is cilantro black rot? Symptom identification and control methods
How to grow cilantro in summer? Please guide me. To grow cilantro well in summer, you can refer to the following methods: 1. Land preparation and fertilization. For cilantro plots, choose fertile, loose sandy loam with good water retention and drainage and close to a water source. Before sowing, while turning the soil, apply 3000-3500 kg of high-quality decomposed manure per mu as a base fertilizer, then build beds 2 m wide...
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What are the control methods for mung bean powdery mildew?
How to control mung bean powdery mildew? Please advise on mung bean powdery mildew: Symptoms: Small white powdery spots are scattered on the leaf surface. When the climate is suitable, the spots expand rapidly, and the diseased leaves become covered with a white powdery substance, which is the pathogen's mycelium, conidiophores and conidia. After young pods are infected, they become deformed, and a white powdery substance also grows on their surface...
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What are the methods for controlling red spider mite pests on mung beans?
How do you protect mung beans from the red spider mite pest? Please advise focusing on chemical control. Strengthen field inspections; when localized patchy outbreaks are found, spray promptly for control. Use 50% malathion emulsifiable concentrate at 1000 times dilution, or 50% naled at 2000 times dilution, or 25% deltamethrin at 5000 times dilution. Spray once every 7 days, for 2 to 3 consecutive applications....
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How to control the yellow-tailed moth (Monema flavescens) on roses
Morphological features: The adult is orange-yellow, with filamentous antennae and brownish diagonal lines that converge at a single point on the wingtips. Forming an inverted V shape, the hindwings are grayish-yellow, the legs are brown, and the eggs are flat and oval, pale yellow. The larva is slightly rectangular, somewhat larger at the front end, brightly colored, with a large purple patch on the dorsal side of the body, and a dark brown head. The cocoon is oval. 12m...
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Occurrence Characteristics and Control Methods of the Yellow Slug Moth on Chinese Rose
Morphological characteristics: The adult is orange-yellow, with filiform antennae and brown diagonal lines that meet at a single point at the wingtip, forming an inverted V shape; the hindwings are grayish-yellow, the legs are brown, and the eggs are flat and oval, pale yellow. The larva is roughly rectangular, slightly larger at the front end, brightly colored, with a large purple patch on the back of the body and a dark brown head. The cocoon is oval,. 12m...
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What are the control methods for mole crickets on Chinese roses?
Symptoms: This disease mainly affects the branches and stems of Chinese roses, causing cankerous lesions on the branches and stems. At first, they are small red spots, which then expand and darken, and may turn brown. In the later stage, the lesions become sunken and split longitudinally, black spots may appear on the diseased area, and in humid conditions black spore masses emerge. In severe cases, the lesions girdle the stem, and the branches below the diseased area shrink and die...
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What to Do When Roses Get Rose Mosaic Virus? A Detailed Guide to Prevention and Control Methods
Rose mosaic virus is widely distributed and can cause a decline in the yield and quality of cut roses. Symptoms: Its symptoms vary depending on the rose variety. Rose mosaic virus is characterized by small chlorotic spots, sometimes showing polygonal patterns. The leaf surface around the lesions is often somewhat deformed. Some symptoms appear as rings, ...
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Identification and Control of Gray Mold in Roses
Symptoms: When gray mold occurs on rose leaves at the leaf margins and leaf tips, it first appears as water-soaked light brown spots that are smooth and slightly sunken, then expands and rots. When flower buds are affected, the spots are grayish-black and can prevent the flower from opening; diseased buds turn brown and die. When flowers are affected, some petals turn brown, shrivel and rot. The gray mold fungus also attacks the branch ends after flowers are cut, and the black diseased area can extend several centimeters downward from the infection point. In warm, humid conditions, the gray mold layer can completely cover the infected area.
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Making succulents plump is not hard: start by controlling watering to make the leaves thick and fleshy
Once the root system of a succulent is well established, it does not need special watering; it should already be fairly plump on its own. But if it is given more water, the plant will grow desperately, yet it will not become compact and plump. Water control means giving appropriately less water, and even...
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What to do when gardenia is harmed by scale insects? A few tricks to easily prevent and control them
Gardenia flowers are pure white with a rich fragrance, deeply loved by flower growers. But growers often find that their gardenias are constantly attacked by scale insects. Scale insects lay their eggs in the soil, and their larvae are mostly snow-white willow...
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