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What are the common pest and disease control methods for Dendrobium orchids?
1. Diseases: (1) Soft rot: also known as bacterial brown spot, it mostly infects from the rhizome, but can also occur on leaves. It starts as small water-soaked dark green spots, which gradually expand into brown, softened, rotting lesions. A secretion oozes from the rotting area and is accompanied by a foul odor. The pathogen can spread through watering. High temperature and high humidity favor the development of the disease,...
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Orchid Pest and Disease Control Methods and Key Technical Points
I. Anthracnose. This disease is the most common disease of orchids, mainly affecting the leaves. In the later stages, black dots appear on the lesions, eventually causing the diseased leaves to wither and turn yellow. The disease occurs frequently from May to June, during the plum rain season, or in years with abundant autumn rain or frequent typhoons from September to October....
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Detailed Explanation of Pest and Disease Control Methods and Techniques for Sambucus javanica
Sambucus javanica is a common plant with relatively abundant fruit that is small and compact, red in color, and highly valuable medicinally. Quite a few people cultivate it. However, because it is susceptible to pests, if no one takes measures to save it, or if there are no natural enemies of the insects to eliminate them, it is very difficult to cure. So today we will discuss exactly how to do a good job of pest and disease control.
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Main Causes of Rotten Shoots and Soft Rot and Their Prevention and Control Methods
A variety bred by Tianlong Orchid Garden, with short and round outer petals, thick and soft, tender yellow color, plain and clean, with good contrast between petals, tongue, and stem. Thick leaves, rich fragrance, elegant and graceful.
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Identification and Control Methods for Soft Rot and Stem Rot
A newly collected white-flowered variety (collected in Pingyuan, Meizhou), with snow-white outer petals and a faint red blush on the petals and lip, like a shy young girl~~
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What are the prevention and control methods for orchid stem rot?
The color flower "Half-Gram Red" from Rong County usually blooms with only a "half" red, so orchid growers in Rong County call it "Half-Gram Red". Most of the seedlings were taken by the greenhouse and named "Flower-Heart Radish".
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How to control the flowering period of Cymbidium faberi? A detailed guide to practical methods
Orchid petal shapes: orchid facing-heart petals, orchid tongue-shaped petals, orchid veins, speckles, sand, halos, orchid leaf tips, flower spike arrangement, orchid leaf variegation. Leaf shapes: some wild orchids are extremely common, such as the chicken-claw type and bamboo-leaf petal type, called ordinary flowers; in orchids this generally refers to some common grasses. Plum, immortal, lotus, butterfly, colored, rare, solid-color heart, etc. are called fine flowers. The simplest way to choose good...
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How to Treat Black Spot Disease in Orchids? Practical Control Methods Shared
Orchids are plants whose "foliage is more worth viewing than the flowers." When an orchid is infected with black spot disease, the best way to cure it completely is to remove the diseased leaves, but this reduces the ornamental and economic value of the orchid (especially rare varieties). The following three methods can effectively cure black spot disease in orchids without removing the diseased leaves. Gentian violet method: when you find an orchid suffering from black...
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Pollution-free control methods for orchid pests and diseases
1. Washing powder and detergent: Washing powder can dissolve the waxy coating of scale insects and at the same time form a layer of foam that wraps around the insect body, causing the scale insects to suffocate and die. Washing powder solution can control some pests and diseases. Control method: dissolve a small amount of washing powder in warm water, then dilute with water to a 1000-fold solution and spray the orchid plants; it can kill aphids, whiteflies, red...
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