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How to prevent and control common pests and diseases of the bromeliad (Guzmania)?
The most common diseases of the bromeliad are heart rot and root rot. In plants affected by heart rot, the tissue at the base of the leaf cup softens and rots, with a foul odor. In plants with root rot, the root tips turn blackish-brown or rot. Poor drainage of the growing medium or overwatering, water pH that is too high, poor ventilation during seedling packaging, and seedlings left piled up too long before planting
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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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How to prevent leaf drop in Rhododendron simsii? Remember eight precautions
Eight precautions to prevent leaf drop in Rhododendron simsii
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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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A Detailed Guide to Sugar Mandarin Cultivation Methods and Yellowing Prevention and Control Techniques
How to Grow Sugar Mandarins: How to Prevent and Control Yellowing of Sugar Mandarin Trees
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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 prevent and treat tulip blight? A detailed guide to practical methods
Tulip blight first infects the leaves in the early stages of the disease, with small brown lesions, then infects the petals, and in severe cases also infects the underground bulbs, causing the bulbs to turn yellow and dry up, leading to the death of the whole plant. In diseased plants whose bulbs are not infected, the lesions on the leaves and flower stems also continue to expand, causing the leaves and flower stems to rot and wither
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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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What are the tips for preventing and controlling pests and diseases on the money tree?
Common diseases of the money tree include root rot and leaf blight. Root rot usually starts from the roots or the root crown and spreads upward, with the phloem becoming soft and rot
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