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What are the control methods for the soybean root miner fly?
The soybean root miner fly belongs to the order Diptera, family Agromyzidae. Also known as the soybean root maggot, soybean root miner fly, etc., this insect is a monophagous pest that only damages soybean and wild soybean. It is distributed in Heilongjiang, Liaoning, Inner Mongolia, Shandong and Hebei, among other places. Damaged plants can suffer yield losses of more than 40% per plant compared with healthy plants. 1. Morphological characteristics (1) The adult is about 3 mm long, glossy black, with wings that are light purple with a metallic sheen. The compound eyes are bright red. (2) The egg is about 0.015 mm long and about 0.04 mm wide, kidney-shaped, white and translucent.
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Identification of Physiological Disorder Symptoms in Lilies and Their Prevention and Control Methods
Physiological disorders, also known as non-infectious diseases, refer to the disruption of normal physiological metabolic functions in the plant itself caused by factors other than pathogens. The causes of physiological disorders may be internal factors such as mineral element deficiency, tissue aging, or environmental factors such as temperature, light intensity, and abnormal gas composition. I. Leaf scorch: The typical symptom of leaf scorch is the formation of semicircular necrosis at the tip and margin of the leaf, sometimes also manifested as chlorosis or necrosis at the leaf margin, or yellow-green spots appearing on parts of unexpanded or expanded young leaves
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What are the control methods for bulb mites on lilies?
Control methods for bulb mites on lilies: 1. Crop rotation and changing the crop for 4a. When planting lilies along a slope, plant from the bottom upward to reduce the spread of pathogens. 2. Select bulbs free of disease, mites and mechanical injury as seed stock, or mix into farmyard manure and apply, or apply together with irrigation water; or use 2% isofenphos-methyl powder at 2 to 3 kg per 667 sq m mixed with 25 to 30 kg of fine soil to make poisonous soil, or use 3% isofenphos-methyl granules, or 3% carbofuran granules, or 5% phoxim granules, or 5% diazinon granules, at 2
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Control Methods for Lily Mosaic Virus (CMV)
Symptoms: Chlorotic mottling or necrotic spots appear on the leaves. Pathogens: Lily latent virus [Lilylatentvirus] and Cucumber mosaic virus [Cucumbermosaicvirus] (abbreviated as CMV). Lily latent virus is widespread among plants of the genus Lilium; some lilies show no symptoms after infection with this virus, while others develop chlorotic mottling symptoms. Cucumber mosaic virus causes chlorotic mottling symptoms, and if this disease occurs together with lily latent virus spots. Transmission route: The green peach aphid and other aphids are the vectors that spread the virus.
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Occurrence and Control Methods of Major Diseases, Insect Pests and Rodent Pests of Lilies
Lily, also known as night lily, mountain lily, Zhongpeng flower, etc., is a plant that combines medicinal, edible and ornamental uses, with a large market demand. Lily is also a traditional export specialty of China and is planted throughout the country. However, with the expansion of lily planting area, diseases, insect pests and rodent pests have become increasingly serious, becoming the main factors restricting stable and high yields of lilies. The occurrence and control methods of the main diseases, insect pests and rodent pests of lilies are introduced as follows: 1 Main diseases and control 1.1 Main diseases There are many kinds of lily diseases, but fungal diseases such as gray mold and Fusarium wilt are the main ones.
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How to prevent and control soft rot in oyster mushrooms? These methods are very practical
Dong Yushan from Ligou Town, Pingyin County, Shandong Province, wrote in: "The oyster mushrooms grown in my town and the surrounding townships develop small yellowish-brown spots during the fruiting stage, especially when the fruiting bodies are about 1 cm in diameter, which then rapidly expand, and finally the entire fruiting body turns brown, becomes soft and sticky, and ultimately rots. Even though the mycelium inside the mushroom log is still very dense and white, it is very difficult to get another flush. What disease is this? How should it be prevented and controlled? Host Yangguang replies as follows: The situation reported by this friend also occurs quite often in other areas. Judging from the described symptoms,
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What to Do When Oyster Mushrooms Get Soft Rot Disease? Detailed Prevention and Control Methods
Symptom manifestation is mainly shown by the white mycelium of oyster mushrooms growing in a spider-web-like pattern on the surface of the bed, rapidly spreading, covering the bed surface, and surrounding the fruiting bodies. Once the base of the fruiting body is surrounded by mycelium, it becomes infected; the pathogen spreads upward along the stipe, and finally the fruiting body stops growing, its color becomes dull, and it rapidly softens, turns yellow, turns brown, and then rots. Prevention and control methods: First, strictly treat the mushroom shed. Before the mushroom shed is put into use, spray it with Mushroom Disease Eliminator King, keep it sealed for two days, then spread lime powder on the ground at 250 grams per sq m. Second, during the spawn-running period
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Identification and Control Methods of the Slug Pest in Ganoderma lucidum
Slugs (SLuge), also known as shuiyanyou, bittichong, etc. They belong to the phylum Mollusca, class Gastropoda, order Stylommatophora, family Limacidae. The species that damage edible fungi include the wild slug (Agrioli-naxagrestisLinnaeus), the two-lined sticky slug (PhiolomycusbilimeatusBenson), and the yellow slug (LimaxflavusLinnaeus). 1. Morphology and habits (1) The wild slug has a soft body without an outer shell, dark gray
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Control Methods for Dacne japonica Infestation on Lingzhi (Ganoderma lucidum)
Dacne japonica Crotch, also known as the small fungus beetle or red concave fungus beetle, belongs to the order Coleoptera, family Erotylidae. 1. Morphology and habits: The adult is 3-4.5 mm long, elongated oval, glossy. The head is yellowish-brown; the antennae have 11 segments and are brown. The compound eyes are large and spherical. The pronotum is wider than long, yellowish-brown, darker in the middle. Each elytron bears one square black spot on the inner basal margin; the basal half of the elytra is yellowish-brown and the apex is black. The legs are yellowish-brown and relatively slender. From the shoulder angle diagonally toward the median suture there are red-yellow markings that meet, and the red-yellow
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Control Methods for Various Pests and Diseases of Schisandra
(1) Powdery mildew and black spot are two common diseases of northern schisandra (Schisandra chinensis), generally occurring in early June. Control methods: The onset periods of the two diseases are similar. In late May, spray once with a 1:1:100 equal-strength Bordeaux mixture for prevention. If no disease occurs, spray once every 7-10 days. For powdery mildew, use 0.3-0.5 degree lime sulfur mixture, or fenarimol or thiophanate-methyl wettable powder at 800 times dilution; for black spot, use mancozeb 50% wettable powder at 600-800 times dilution. If both diseases
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