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  • What is walnut branch blight? Get to know this walnut disease

    How to grow walnuts efficiently? Please give guidance. Walnut cultivation can refer to the following planting methods: Seedling selection: high-quality seedlings should be selected for planting. High-quality seedlings refer to those with pure varieties, well-healed graft unions, more than 15 lateral roots, a basal stem diameter of more than 1.2 cm, a seedling height of more than 60 cm, straight and smooth stems, and no damage or pests and diseases...

  • Controlling Pests and Diseases at Peanut Sowing Time Is Highly Effective

    Many types of pests and diseases harm peanuts, they occur over a wide range, and the damage is severe. Because the occurrence, distribution, epidemic patterns, damage periods, and living habits of the various pests and diseases all differ, it is quite difficult to time control measures properly in production. Practice has shown that controlling pests and diseases at sowing time can save part of the major losses peanuts suffer from pests and diseases...

  • Causes and Control Methods of Peanut Witches' Broom Disease

    What causes peanut witches' broom disease? How to prevent and control it? (1) Disease pattern: Peanut witches' broom disease may be caused by a mycoplasma-like organism or a complex infection of mycoplasma-like organisms and viruses. Neither seeds nor soil transmit the disease, but grafting can transmit it. Whether other insects and sap can transmit the virus is still under study. The occurrence of peanut witches' broom disease...

  • Implement three protection measures in the late growth stage of peanuts to promote increased yield

    What is the difference between peanut black spot and peanut brown spot? Peanut black spot and peanut brown spot are the most common leaf diseases of peanuts. Their common feature is the formation of spots on the leaf surface, so they are collectively called leaf spot disease. The main differences are: brown spot occurs earlier, appearing at the early flowering stage, and in the later stage the lesions on the leaves are relatively large, round or irregular...

  • Disease Prevention and Control Methods for Fresh-Cut Lilies

    I. Lily Phytophthora Blight 1. Symptoms: Stems, leaves, flowers and scales can all be affected, mainly the tender leaves of the flowers. When the leaves are affected, small water-soaked spots appear, which gradually enlarge and turn grayish-green. When the stem is affected, the water-soaked discolored part spreads upward and downward and rots, further developing into bending and drooping of the stem. In severe cases, the flower stalk and...

  • Symptoms and Pathogen Analysis of Chrysanthemum Black Spot Disease

    Chrysanthemum black spot, also known as brown spot or leaf blight, occurs in all chrysanthemum-growing regions. Besides harming chrysanthemums, it can also infect wild chrysanthemum, sweet chrysanthemum, pyrethrum and other plants in the Asteraceae family. After infection, mildly affected plants develop scorched, dropping leaves, while severely affected plants may die completely. It seriously affects plant growth and ornamental value. Symptoms...

  • What are the main pests and diseases of hickory? A detailed explanation

    What are the main pests and diseases of hickory? How should they be prevented and controlled? Please advise. Hickory pests and diseases are important factors affecting hickory yield. Preventing and controlling pests and diseases can protect the forest, promote growth, and increase yield. Common hickory diseases include hickory branch blight and fruit tree rot. Common...

  • What are the methods for preventing and controlling pests and diseases in tomato seeds

    How to prevent and control pests and diseases in tomato seeds? Please explain. The general disease symptoms of tomato seeds are as follows: (1) Tomato fruit blistering disease, a physiological disease, also called rib rot or strip rot or band rot, mainly harms the fruit. Below is an introduction for everyone. There are commonly two types. One is the browning type: cut open the diseased fruit, ...

  • Eat one piece of pear syrup candy a day to moisten the lungs, relieve cough and phlegm, and also ease pharyngitis and asthma

    In hot weather, bacteria multiply quickly, which easily causes internal heat, throat inflammation, dry sore throat and cough. At times like this, if you take a few pieces of specially made pear syrup candy, it can promptly relieve throat swelling and pain, clear the throat, reduce internal heat and moisten the lungs, relieve cough and phlegm, accompanied by...

  • Comprehensive Control Methods for Peanut Wilt Disease in Early Spring Plastic Mulch Cultivation

    Peanut wilt disease includes stem rot, root rot, southern blight, stalk rot and several other diseases, and it severely affects early spring plastic mulch peanut production. 1. Disease characteristics. Their common feature is that the peanut stem or leaf wilts and the affected part becomes discolored and necrotic. Generally, continuous cropping plots and plots with poor soil are more severely affected; rotation plots and plots with high fertility...