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What are the control methods for wheat blossom midge?
What methods are there to control wheat blossom midge? Please guide. Wheat blossom midge can be controlled by referring to the following methods: 1. Chemical control: the best control period is the pupal stage. Generally, use 200-250 ml of 50% phoxim emulsifiable concentrate or 40% isofenphos-methyl emulsifiable concentrate per mu, add 5 kg of water, spray and mix with 25 kg of fine soil. Alternatively, use 3-5 kg of 3% phoxim or 3% isofenphos-methyl per mu, mix with 20-30 kg of fine soil, and broadcast evenly. Irrigate promptly after broadcasting to improve the control effect. During the adult stage, supplementary control can also be carried out by using 50 ml of 50% phoxim emulsifiable concentrate per mu or 25 ml of Huifeng permethrin emulsifiable concentrate per mu, add water and spray at conventional volume.
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When is the best time to control wheat blossom midges?
When is the best time to control wheat blossom midges? Please advise. The following methods can be used for reference in controlling wheat blossom midges: 1. Occurrence characteristics. Through long-term survival in nature, wheat blossom midges have formed a close symbiotic relationship with wheat growth and development. Their emergence from the soil, pupation, eclosion, egg laying, hatching, and...
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Detailed Guide to Common Pest and Disease Control Methods for Calla Lily
I. Diseases 1. Calla lily soft rot: Soft rot and detachment occur on the plant near the soil surface, causing leaves to wilt upward and the fleshy tuber to develop a soft rot downward, with roots also rotting, and the whole plant suddenly wilting and dying. When leaf edges are affected, they become soft and wet-rotted. When flower stalks are affected, the flowers turn brown, and the stalks become soft-rotted and drop off...
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Occurrence and Control of Calla Lily Mosaic Disease
Common calla lily diseases include: ① Soft rot. During the growing period, soft rot and detachment occur on the plant near the soil surface, and extending upward it causes the leaf edges to become soft, wet rot and withering, the flower color to turn brown, and the flower stalk to become soft, rot and drop off, while extending downward it causes the tuber to become slimy and soft-rotted and the roots to rot, and the plant may even wilt and die. Control measures: a....
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What are the control methods for leaf spot disease in calla lilies?
I. Symptoms: Infected leaves develop lesions ranging from light brown to yellowish-brown, mostly round, oval, or irregular in shape. A few lesions have indistinct concentric rings. In the later stages of the disease, many small black dot-like moldy growths appear in the center of the lesions, namely the conidiophores and conidia of the pathogen. II. Pathogen and disease occurrence...
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Detailed Guide to Common Disease and Pest Control Methods for Calla Lily
The main pests harming calla lily are: the two-spotted spider mite, namely the cotton spider mite and the cotton red spider. The female two-spotted spider mite has an oval dorsal surface, while the male has a diamond-shaped dorsal surface. In spring and summer, their color is yellow and yellow-green, with a black patch on each side. By late summer, individuals turn orange in body color, and the number of females...
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The Harm and Control Methods of Banana Fusarium Wilt
What harm does banana Fusarium wilt cause? How should it be controlled? Please explain the methods. Banana Fusarium wilt is also known as banana Panama disease and banana Fusarium wilt. It has long occurred in many countries in Latin America, and was also discovered long ago in Taiwan, China. This disease is listed as a quarantine target for both external and internal quarantine in China. From 1985 to 1988 in Guangdong Province...
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What Is the Banana Skipper? A Detailed Guide to Control Methods
What is the banana skipper and how do you control it? Please explain the methods. The banana skipper, also known as the banana leaf roller or banana leaf nest worm, belongs to the order Lepidoptera, family Hesperiidae. It is distributed in Guangdong, Guangxi, Hainan, Fujian, Yunnan and Taiwan, China, and is a major pest of banana plants. When outbreaks are severe, not a single leaf on the whole plant remains intact, with leaf nests piled up everywhere, seriously...
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What is the difference between slow-release fertilizer and controlled-release fertilizer?
Text and images: This girl is a bit sweet. When it comes to fertilizing succulents, slow-release fertilizer is certainly one of the fertilizers that will be mentioned. Although by habit it is called slow-release fertilizer, strictly speaking, what everyone calls slow-release fertilizer is actually controlled-release fertilizer. However, in terms of effect, the two are more or less the same in meaning.
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What are the pest and disease control methods for bamboo shoot cultivation?
What pests and diseases need to be controlled in bamboo shoot cultivation? Please explain the control methods. Bamboo shoot cultivation has the following pests and diseases, and the following methods can be referenced for control: 1. Pest control: The main pests of bamboo shoots are aphids and bamboo borers. Aphids occur in more than a dozen generations per year, with overlapping generations. July to September is the peak period, and they often cluster on the...
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