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Identification and Control Methods for Diseases of Alocasia macrorrhiza
Leaf spot disease: Leaf spot disease can be treated by spraying the leaf surface with an 800-fold dilution of chlorothalonil or carbendazim, for 2-3 consecutive applications, once every 7 days. Anthracnose: Anthracnose requires spraying the leaf surface with a 500-fold dilution of 75% thiophanate-methyl, once every 7 days, for 2-3 consecutive applications, which can basically bring it under control
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20181021 Event Press Release - Five-star quality on a budget: New Taipei City Xiufeng Elementary School takes the 2018 All-Taiwan Best School Lunch crown
20181021 Event Press Release - Five-star quality on a budget: New Taipei City Xiufeng Elementary School takes the 2018 All-Taiwan Best School Lunch crown
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What are the key technical points for controlling rust disease in Chaenomeles speciosa (flowering quince)?
Symptoms: On infected leaves, small yellow-green spots first appear on the upper surface, gradually expanding into orange-yellow patches. By mid-June, yellow powdery black dots form on the lesions, which are the spermogonia (pycnia). Later, yellow powdery material appears on the underside, which are the aecia, producing aeciospores. In autumn and winter, it harms pines and cypresses.
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What are the main diseases of orchids? Detailed explanation of key control measures
I. Orchid anthracnose is an important disease of orchids. In the early stage of the disease, circular, dark brown spots appear on the leaves, which then gradually expand with dark brown edges and grayish-white centers, and the spots easily crumble. When severe, the spots are numerous and the leaves turn yellow and wither. Control measures: (1) Cut off diseased leaves, remove diseased residues, and burn them in a centralized manner
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A Detailed Guide to Controlling Common Pests and Diseases of Osmanthus
1. Leaf spot disease: It mainly damages the leaves. Brown small spots appear first, and the lesions are round or irregular. Later, the center is gray to grayish white, and the edges are reddish brown. Blackish gray mold-like growth appears on the lesions. High temperature and high humidity are often the triggering factors. It spreads through wind and rain and causes infection. After October, the disease gradually subsides
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Cherry Blossom Pest and Disease Control Methods and Key Points for Summer and Autumn Management Techniques
1. Disease control Leaf blight: (1) Remove and burn diseased leaves, spray Bordeaux mixture before bud break; (2) From May to June, spray 65% zineb wettable powder at 500 times dilution, once every 7 to 10 days, for 2 to 3 consecutive sprays. Brown spot disease: (1) Strengthen cultivation management, create good ventilation and light conditions
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Shading tree peonies in summer can prevent leaf diseases
Proper shading in summer can extend the effective growth period of tree peonies, reduce leaf diseases, lessen the phenomenon of autumn sprouting, and benefit the growth of tree peonies
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Key Points for Integrated Disease Control Techniques for Azaleas in Summer
Besides the "large-flowered azalea," there are other varieties of azalea, such as the Japanese azalea and the Belgian azalea. The former belongs to the East Asian azalea group, while the latter belongs to the Western azalea group, and both are suitable for pot cultivation; however, if daily cultivation is improper and care is neglected
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A Complete Guide to Foliage Plant Pest and Disease Control
During their growth, foliage plants may be attacked by pests and diseases.
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How to prevent and control pests and diseases on yew? A detailed guide to prevention and control methods
Greenhouse cutting seedlings of Southern Chinese yew (Taxus wallichiana var. mairei) have a total of 7 pests and diseases throughout the entire growing period
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