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How do you prevent and control root-knot nematode disease in wax begonias?
The pathogenic nematodes of root-knot nematode disease in wax begonias damage the lateral roots and fine roots of the plant, stimulating the root tissue to form giant cells and causing excessive cell division and proliferation, resulting in the production of many tumors of varying sizes ranging from 1 to 10 mm in diameter. The tumors are smooth at first, then rough on the surface later, and often produce many fibrous roots
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What are the main pests and diseases of gardenia? How to prevent and control them?
Gardenia does not have many pests and diseases; the main ones are scale insects, sooty mold, and rot. The control methods are as follows: (1) For sooty mold, wipe with clean water, or after wiping spray with 0.3% Baume lime sulfur mixture, or carbendazim 1000-1200 times dilution. (2) For rot, scrape off the decayed parts promptly.
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A Detailed Guide to the Planting Techniques and Pest and Disease Control Methods for Box Elder
A Detailed Guide to the Planting Techniques and Pest and Disease Control Methods for Box Elder
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What are the advantages of red-fruited elm for shaping, and how should pests and diseases be prevented and controlled?
The shaping advantages of red-fruited elm and methods for pest and disease prevention and control
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Manila Grass Lawn Maintenance and Pest and Disease Control Methods
Manila Grass Lawn Cultivation, Care, and Pest and Disease Control
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Main Pests and Diseases of Jasmine and Their Control Methods
The main diseases of jasmine are southern blight, violet root rot, and branch blight; the pests include scale insects, stem borers, red spider mites, flower bud borers, jasmine leaf borers, and others. The control methods are as follows: 1. Southern blight (1) This disease occurs easily under high temperature and high humidity conditions, so a site with good ventilation, light, and drainage should be chosen, and attention should be paid to drainage during the rainy season.
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What are the shaping and pest and disease control methods for Chinese privet (Ligustrum quihoui)?
What are the shaping and pest and disease control methods for Chinese privet?
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How to grow Sophora japonica and how to prevent and control its pests and diseases
How to grow Sophora japonica and how to prevent and control its pests and diseases
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How to Grow Hemerocallis fulva and Pest and Disease Control Tips
Growing Hemerocallis fulva and Methods for Pest and Disease Control
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How to prevent and control the main pests and diseases of rhododendrons?
(1) Rhododendron diseases ① Brown spot: This is the main disease of rhododendrons. In the early stage of the disease, small brown spots appear on the leaf surface, then gradually expand into large dark brown patches, and many small black or grayish-brown dots are scattered on the lesions. Affected leaves turn yellow and fall off very easily, which not only affects flowering in the current year
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