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Characteristics and Control Methods of Spider Mite Disease in Orchids
Spider mites, also known as mites, come in many species. Take the Schizotetranychus shi species as an example: it is a common type of spider mite that damages orchids and other flowers. Its mouthparts attach to the underside of leaves, piercing through the leaf epidermis and spongy tissue layer into the leaf tissue, sucking the chloroplasts and cell contents of the palisade layer cells. It first damages the lower leaves, then gradually...
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Symptoms, Characteristics, and Control Methods of Orchid Aphid Infestation
Many aphids (such as the green peach aphid, cotton aphid, etc.) can harm orchids. Aphids mainly damage tender leaves, buds, flower buds, and other young organs, piercing plant tissues with their piercing-sucking mouthparts and absorbing large amounts of sap nutrients, causing nutritional deficiency in the plant. Taking the green peach aphid as an example: it is distributed throughout China. The green peach aphid produces 20 to 30 generations per year, and...
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What are the control measures for black spot disease in orchids?
Orchid black spot disease, also known as round spot disease, occurs in Fujian, Yunnan, Jiangsu, Shanghai, Nanjing and Guangdong. In 1983, a major outbreak of orchid black spot disease occurred in Guangzhou, with the incidence rate in some nurseries reaching 92.8% and the mortality rate 26.8%, causing great economic losses. The control measures are as follows: 1. Strengthen quarantine, paying particular attention to...
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Pest and Disease Control Methods for Growing Orchids on Balconies
Orchids belong to the family Orchidaceae, are monocotyledonous plants, and are perennial herbs. They are 20 to 40 cm tall, with long tubular roots. The leaves grow in clusters from the stem, are linear-lanceolate, slightly leathery, and form a bundle of 2 to 3 leaves. (1) Substrate too wet or too dry. Growing orchids on a balcony is very different from growing them on the ground. Orchid pots on the ground are directly connected to the earth,...
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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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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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How to Do a Good Job of Pest and Disease Prevention and Control for Home-Grown Orchids
Early summer has arrived, temperatures have risen noticeably, and with the increased rain, all kinds of tiny insects that harm orchids are stirring into action. When pests are rampant, timely prevention and control is essential so that orchids can grow strong and healthy. Using pesticides is quick and convenient, and the results are good. But every medicine has some toxicity, so it is best to use them with caution to avoid pesticide damage. Using simple methods to control insects...
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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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A Detailed Guide to Pest and Disease Control for the Golden Trumpet Tree
Many people may never have heard of the golden trumpet tree (Handroanthus chrysotrichus). In fact, it is a highly delightful ornamental plant, and because of its extremely charming appearance it has been crowned the national flower of Brazil. The golden trumpet tree looks different in all four seasons, with unique ornamental features in each one. Perhaps because the golden trumpet tree is so beautiful, it is also very susceptible to pests and diseases. Let's take a look below.
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Beneficial insects and birds support ecological farming: be kind to your animal friends in the field
Frogs, bees, earthworms and beneficial birds in the field are all great helpers for ecological farming. This article introduces the role of common beneficial insects and birds in farmland, and how to protect them to reduce pesticides, improve soil and increase yields.
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