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Control methods and technical key points for Lily symptomless virus
Lilies originate in China. They are distributed across the southeast and southwest, as well as Henan, Hebei, Shaanxi and Gansu, with wild and cultivated forms found in various places, mainly used as cut flowers and for garden planting as potted ornamentals. The bulbs are used for food and medicine, the fresh flowers contain aromatic oil used as a fragrance, and the fruits are eaten. A cold-hardy, autumn-planted scaly bulbous herbaceous flower. There are quite many cultivated varieties; besides white, the flowers also come in yellow, red, pale red, variegated and other colors.
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Control Methods for Mosaic Virus Disease in Black-Skinned Chewing Cane
How should black-skinned sugarcane be given micronutrient fertilizers? Please advise. A major reason for the low yield and poor quality of continuous cropping of chewing cane is the lack of medium and trace elements such as magnesium, silicon, calcium, zinc, boron, iron, molybdenum and manganese in the soil, resulting in an insufficient supply of medium and trace elements, which causes poor growth of chewing cane, not only stunted plants and shortened internodes...
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Occurrence, Damage Characteristics and Control Methods of the Peanut Field Cricket
What are the characteristics of the damage caused by the field cricket on peanuts? How to control it? (1) Morphological characteristics: The field cricket is commonly known as the large mole cricket, big-headed cricket, etc. ① Adult: body length about 41 mm, width 13 mm, body yellow, brown, or dark brown. Between the compound eyes there is a "Y"-shaped shallow groove. The pronotum is well developed, with a distinct longitudinal groove, and on both sides there are peach-colored patches of a lighter shade...
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Common pest and disease control methods in lily cultivation
Lily blight, also known as lily foot rot, is distributed in Hebei, Gansu, Shaanxi, Shandong, Zhejiang, Jiangxi, Henan, Hubei, Hunan, Sichuan, Guizhou, Yunnan, Tibet and other provinces and regions. 1. Damage symptoms: It mainly attacks stems, leaves, flowers, scales and bulbs. When the stem is infected, water-soaked brown rot appears at first, gradually...
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Major Pests and Diseases of Lilies and Their Control Methods
After sowing, lilies must undergo several years of cultivation and management before commercial bulbs suitable for harvest can be obtained. Generally, asexual propagation is used first to obtain seed bulbs, or seed propagation may be used first to obtain seed bulbs; the seed bulbs are then planted in the field and, through field management, grow into commercial lilies. Seed bulbs are various propagation materials first cultivated into 50-100 g small...
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What are the control methods for tomato fruit rot?
How should tomato fruit rot be controlled? Please advise. During production, tomatoes suffer from various fruit rot diseases. There are many causes of fruit rot, and different control methods should be adopted according to different situations. Fruit rot caused by soft rot. This disease generally occurs on green fruit; after onset, the skin remains intact...
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How to prevent green-shouldered tomatoes? Practical control methods
How to properly control tomato bacterial wilt? Please note that the following points should be handled well in the control of tomato bacterial wilt: 1. Select and breed disease-resistant, tolerant, high-yield varieties according to local conditions, and rotate to new varieties; 2. Implement crop rotation in severely affected areas and severely affected fields, preferably paddy-upland rotation with rice; 3. Strengthen fertilizer and water management. Improve drainage and irrigation systems, plant on high ridges with deep furrows...
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Causes and Control Methods of Peanut Witches' Broom Disease
What causes peanut witches' broom disease? How to prevent and control it? (1) Disease pattern: Peanut witches' broom disease may be caused by a mycoplasma-like organism or a complex infection of mycoplasma-like organisms and viruses. Neither seeds nor soil transmit the disease, but grafting can transmit it. Whether other insects and sap can transmit the virus is still under study. The occurrence of peanut witches' broom disease...
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What are the symptoms and control methods of calcium deficiency in peanuts?
Symptoms: When peanuts are deficient in iron, the young leaves at the top show chlorosis, while the older leaves at the bottom and the leaf veins remain green; in cases of severe iron deficiency, the leaf veins lose their green color and then turn yellow, all the new upper leaves turn completely white, brown necrotic spots appear, and they dry up and drop off. For control methods, a 0.1%-0.2% ferrous sulfate solution can be used for foliar spraying...
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Disease Prevention and Control Methods for Fresh-Cut Lilies
I. Lily Phytophthora Blight 1. Symptoms: Stems, leaves, flowers and scales can all be affected, mainly the tender leaves of the flowers. When the leaves are affected, small water-soaked spots appear, which gradually enlarge and turn grayish-green. When the stem is affected, the water-soaked discolored part spreads upward and downward and rots, further developing into bending and drooping of the stem. In severe cases, the flower stalk and...
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