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The Latest Control Methods for Southern Blight in Orchids
Southern blight in orchids is one of the major diseases of orchids, also known as white silk disease, sclerotium disease, etc. Its harm is second only to anthracnose, but once it occurs, the damage and losses it causes will far exceed those of anthracnose. It usually begins infecting in April to May, with the peak incidence period from June to August, and the disease develops rapid
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What fungicide to use for orchid leaf blight? Latest effective fungicide recommendations
Orchid leaf blight is a relatively serious disease harming orchids. It usually spreads quickly to the branches and leaves of the orchid and develops very fast. In just a few days the entire diseased seedling turns yellow and withers, somewhat similar to soft rot, except that after the leaf blight diseased plant dies there is no
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A Detailed Guide to the Latest Control Methods for Rose Leaf Blight
Leaf blight is one of the common diseases of roses. An infected rose first develops lesions from the tip or edge of the leaf. As the disease progresses, the lesions grow from small to large in an irregular shape, and the color changes from reddish-brown to grayish-brown. Finally, the lesions merge into large dead patches. If
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Latest Treatment Methods for Twig Blight on the Peace Lily Tree
The peace lily tree is a foliage-type evergreen small tree, mostly grown in pots for ornamental purposes or to beautify the environment; it can also improve indoor air quality and carries an auspicious meaning, which is why it is so popular among potted plant enthusiasts. However, the peace lily tree is quite prone to twig blight.
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What are the latest control methods for white blight of Welsh onion?
White blight of Welsh onion is a fungal disease. The pathogen mainly overwinters in the soil as chlamydospores, and in the following spring when conditions are suitable it produces sporangia, which spread via irrigation water or wind and rain. Newly produced zoospores on the lesions and those on the soil surface spread via raindrop splash. It can occur at the seedling stage and the adult plant stage.
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How to prevent and control early blight of tomato? Latest technical method tutorial
Tomato early blight occurs in Northeast China, North China, East China, Southwest China and other regions of our country. Its most important feature is that no matter whether the lesions occur on fruit, leaves or main stems, they all have obvious concentric rings, so it is also called ring spot disease. Fruit lesions are often near the fruit stalk,
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The Latest Control Methods for Peanut Southern Blight
Peanut southern blight is one of the major diseases harming peanuts. After the roots, pods, and stem bases of peanuts are infected, they initially appear brown and soft-rotted. White silky mycelium appears at the root-stem area above ground, and white silky threads often first form at the stem base near the ground and on the nearby soil surface. The diseased
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A Detailed Guide to the Latest Control Methods for Cucumber Leaf Blight
Cucumber leaf blight mainly damages the leaves. Symptoms on young leaves are not obvious. On mature leaves, yellowed areas appear on the leaf surface, along with deformed water-soaked chlorotic spots that gradually enlarge into nearly round or polygonal brown spots, 1-2 mm in diameter, surrounded by a chlorotic halo. On the underside of diseased leaves in the early morning
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A Detailed Guide to the Latest Control Methods for Cucumber Phytophthora Blight
Cucumber phytophthora blight can infect plants from the seedling stage to the mature plant stage. When seedlings are infected, dark green, water-soaked rot first appears on the tender tips, gradually dries up, and forms bare tips. At the mature plant stage, it mainly affects the base of the stem and the nodes of tender stems, starting as dark green water-soaked lesions, which then become soft,
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What to Do When Bitter Melon Gets Phytophthora Blight? A Detailed Guide to the Latest Control Methods
Bitter melon Phytophthora blight damages stems, leaves and fruits, occurring more often at the base of the vines and at the nodes of tender vines. The pathogen is Phytophthora parasitica, a fungus of the subphylum Mastigomycotina. In the north it occurs more on autumn cucumbers, while in central and southern China it is more common on spring cucumbers. Besides cucumbers, it also damages winter melon, chieh-qua
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