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Identification and Control Methods for Common Pests and Diseases of Cymbidium Orchids
The common diseases of Cymbidium orchids mainly include phytophthora disease, soft rot, root rot, anthracnose, leaf blight, sooty mold, and viral disease; the main pests include scale insects and snails. (1) Control of phytophthora disease. Spray with a 500-fold solution of 80% zineb.
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Symptoms and Control Methods of Southern Blight in Hyacinth and Carnation
[Symptoms] The whole plant wilts, with white mycelial strands or rapeseed-like small tea-brown sclerotia winding around the stem base, and the affected parts turn brown and rot. Large numbers of white mycelial strands and tea-brown sclerotia are visible on the soil surface. The disease occurs at the stem base near the soil surface, causing browning and rotting. When the diseased stem tissue is cut open, tea-brown or dark-brown rot develops from the outside toward the center.
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What are the control methods for sunscald disease in Alocasia macrorrhiza?
It occurs everywhere, and the leaves, flowers, stems and fruits of many woody and herbaceous flowers can be affected, hindering their ornamental value. Symptoms: In summer, when plants are exposed to intense sunlight, water-soaked spots appear on the leaf surface, which then rapidly lose water and turn grayish-white. Disease pattern: The longer a plant grows in the shade, the more tender its tissues become; the higher the temperature in sunlight and the longer the exposure, the more severe the disease.
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What are the control methods for stem rot in carnations?
Stem rot is a devastating disease of carnations. The main affected parts are the lower branches and leaves. The lesions are round, oval and irregular in shape, red-brown, turning dark brown in severe cases and grayish white to gray in the later stages. The diseased leaves do not fall off after drying out. When a lesion on a branch encircles the stem
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How to prevent and control carnation leaf spot? A detailed guide to practical methods
Carnation leaf spot, also known as branch rot and stem rot, is a worldwide disease that harms carnations most severely, and also harms Dianthus barbatus (sweet William), Dianthus chinensis, Dianthus plumarius, Saponaria officinalis and others. In Shanghai, Hangzhou, Guangzhou, Kunming and southern Jiangsu Province, areas where carnations are propagated are also affected by this disease
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The Harm of Cicadas to Plants and Control Methods
The Harm of Cicadas to Plants and Control Methods for Cicada Infestations
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What are the control methods for anthracnose in gardenia?
[Symptoms] The disease mainly affects the leaves of gardenia. It starts from the leaf tip and leaf margin, forming irregular or nearly circular brown spots. Sometimes the entire leaf turns brown, and in severe cases it causes branch dieback or the death of the whole plant. The disease mostly starts on the lower leaves of the plant. Under humid conditions
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A Detailed Guide to Pest and Disease Control Methods and Medicinal Benefits of Cornus officinalis
Pest and Disease Control, Benefits and Effects of Cornus officinalis
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What to Do When Longhorn Beetles Harm Plants? A Detailed Guide to Longhorn Beetle Control Methods
The Damage Longhorn Beetles Cause to Plants and How to Control Them
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Agarwood Planting Techniques and Pest and Disease Control Methods
[Agarwood Planting] Agarwood Cultivation and Pest and Disease Control
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