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Symptom Identification and Control Methods of Red Pine Bark Rot
Red pine bark rot, also known as weeping branch disease, soft branch disease, dead branch disease, and shoot blight, is a type of branch and trunk canker disease that mainly affects pine species. Symptoms: The disease affects the bark of branches and trunks of young red pine trees, and in severe cases can also occur at the base of the trunk, causing cankers. Pine needles above the infected area turn yellow-green to gray-green, and gradually turn brown to reddish-brown. The affected branches and trunks shrink and wrinkle due to water loss, and the needle drop scars appear slightly swollen. When the base of a lateral branch is infected, the lateral branch droops downward. When the base of a twig is infected, it
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Symptoms and Control Methods of Red Pine Bark Rot and Resin Flow Disease
[Distribution and Damage] This disease occurs in red pine (Pinuskoraiensis) plantations throughout the three northeastern provinces. In the Yanbian area of Jilin Province, the cities (counties) of Yanji, Hunchun, Helong, Wangqing, Dunhua, Antu, Longjing and others have relatively severe incidence, with a general incidence rate of 20%-30%, severely affected stands at 50%-60%, and in individual stands at the Mao'ershan Forest Farm in Yanji City, the incidence rate reaches as high as 98.6%. The pathogen attacks the phloem and cambium of the trunk and lateral branches of young red pines, even penetrating deep into the surface xylem of the sapwood, causing the tissue to rot and die with a brown discoloration
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Symptom Identification and Control Methods of Red Pine Needle Cast
Red pine needle cast is a common disease worldwide. The disease can infect trees from young saplings to large trees, causing premature needle drop, affecting growth, and can lead to the decline and death of diseased plants. Symptoms: The disease usually affects 2-year-old needles, and some 1-year-old needles can also be affected. In the early stage of the disease, very small yellow spots or segmental spots appear on infected needles, and by late autumn the entire needle turns yellow and falls off. In the spring of the following year, larger, black or gray, long oval or oval raised granular dots appear on infected needles, with a paint-like luster and a longitudinal crack in the center, which are the ascocarps of the pathogen. Some diseased needles
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Clever tricks to reduce root rot in potted flowers: use pine cones, nut shells and wood shavings
When flower lovers grow plants, the problem they run into most often is root rot. Many also like to put some material in the bottom of the pot, and this is a good way to prevent root rot.
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A man who grows flowers is one in a hundred - marry him and happiness awaits
Huahua has made a discovery: growing flowers knows no gender, and many male flower enthusiasts love growing flowers no less than women do. What's more, men who grow flowers are more hands-on and creative. Today Huahua is speaking up for our male flower enthusiasts - men who love flowers this much are simply too outstanding!
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It's hard to keep a newly acquired Buddhist pine (Podocarpus macrophyllus) alive, but Grandpa says he's 90% sure
A newly acquired Buddhist pine (Podocarpus macrophyllus) is a big challenge to keep alive. Grandpa: I'm 90% sure I can keep it alive! Caring for flowers, plants and tree stumps comes down to your own interests and hobbies. For me personally, caring for flowers and plants is a wonderful thing. Because it...
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How to restyle a Japanese red pine bonsai "Crane Elder of the Deep Mountains"? Watch Huang Aoxun's process
Huang Aoxun's restyled Japanese red pine bonsai "Crane Elder of the Deep Mountains" Introduction: The pine, braving frost and snow, stands proud and unmatched. It first appears in the "Book of Songs - Minor Odes - Si Gan." Because of its long lifespan and its needles that do not wither through winter, it was used to wish longevity and symbolize eternal life: "Rank upon rank the Si Gan, deep and secluded the southern hills..."
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In August, wild fruit covered in sharp spines was once ignored by everyone, but now it helps farmers get rich
People all say that nothing is as delicious as mountain delicacies and seafood, and there are always some strange things in the mountains. At first glance, you would never think there is anything special about them, but it is exactly these wild grasses and wild fruits that can suddenly become king in a certain field and achieve...
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A fruit covered in spines that people thought was poisonous when they were kids, yet it is a trending fruit abroad
As times have progressed and people's spending power has risen, their demands for food have also gradually increased. Take fruit, for example: the market now offers not only relatively common fruits like apples, bananas and pears, but also many such as...
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The golden star cactus potted plant, covered in bumps and spines
What is introduced below is the golden star, a succulent belonging to the cactus family. Its plant form is very compact, and its appearance is distinctive, made up of one rod-shaped bump after another, with the leaf tips covered in sharp spines, making it look like a plant that can be admired but not touched...
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