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Corn borer damage symptoms, identification and control methods
The corn borer is a common pest that mainly damages crops such as sorghum and corn, hindering crop growth and worsening yield and quality problems. So how should it be controlled? Living habits: This insect is the main pest during the middle and late growth stages of sorghum, but
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Causes, Symptoms and Control Methods of Sorghum Sheath Blight
What causes sorghum sheath blight? What are its symptoms? How should it be controlled? Let's take a look together. Symptoms: It mainly damages the leaves and the base of the stem. On the leaf sheaths near the ground level, small white-green water-soaked lesions first appear, then expand into oval shapes, with brown margins and lighter centers. Lesions on the leaves appear grayish-green or grayish-white and cloud-like, and most of the lesions merge into a tiger-stripe pattern, causing the entire leaf to wither and die.
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Symptoms and Control Methods of Mango Powdery Mildew
What do the symptoms of mango powdery mildew look like? What are the ecological causes of its occurrence? How should it be controlled, and what are the control methods? Symptoms: This disease can occur on mango inflorescences, young leaves, young fruit and young stems. Generally, a powdery fungal growth can be seen on the affected parts. On young stems and leaves, small lesions in the early stage are surrounded by a brown ring; later the lesions merge into large white patches, which then gradually turn blue-purple. Severely affected young stems and leaves often become deformed; when the lesions continue to develop and encircle the flower stalk, the small fruit on it will begin to turn yellow and drop, so a severely affected mango tree will bear no fruit at all. In the later stage of the disease, the fungal growth at the lesions turns grayish-black. After fruit that has previously been affected develops and grows, a purple network pattern appears on the surface, affecting the commercial value of the fruit.
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Common diseases of cotton bolls and control methods for cotton boll blackening
Do you know what diseases can occur during cotton cultivation? Below we introduce the most common cotton boll blackening disease. Do you know this disease? What do the symptoms of this disease look like on cotton? What are the control methods? Let's take a look together.
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Introduction to the symptoms and control methods of sugarcane white stripe disease
Do you like eating sugarcane? Would you like to learn about the pests and diseases of sugarcane? Below is an introduction to one of the sugarcane diseases, white stripe disease. It mainly covers the symptoms, disease ecology and control methods of white stripe disease. Let's take a look. Symptoms: This disease has chronic and
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Symptoms, Damage and Control Methods of Coconut Scale Insects
What is the damage caused by the coconut pest Pseudaulacaspis? How should it be controlled? Ecological habits: there may be 10 generations per year, and 1 generation lasts about 33 days. It usually reproduces by parthenogenesis; the mother insect lays eggs under the scale around her body, the egg-laying period is 8 to 10 days, and each female can
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What are the control methods for the flower ladybird leaf roller moth on carambola?
The flower ladybird leaf roller moth belongs to the order Lepidoptera and is a pest that harms carambola. So how do we control the damage caused by the flower ladybird leaf roller moth pest? What are the ecological habits of this member of the order Lepidoptera, and what do the symptoms of damage look like? Ecological habits: The flower ladybird leaf roller moth belongs to the order Lepidoptera, commonly
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Control Methods for the Common Guava Disease Southern Blight
What should you do when guava develops southern blight, how should you control it, and what do the symptoms look like? Let's take a look together. Symptoms: After guava varieties are harmed by the southern blight pathogen, besides differences in resistance, the symptoms also vary slightly. Generally, after infection with southern blight,
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Symptom Identification and Chemical Control Methods for Guava Scab
What do the symptoms of guava scab look like, and how should it be treated? Do you know? Let's take a look together. Symptoms: When first infected, the lesions are round and slightly raised, with a rough, cracked surface like a scab, brown in color, with the edges a light brown or earthy yellow hue, large
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