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What are the methods for controlling pests and diseases of jasmine?
Diseases of jasmine during its growth period include: jasmine stem rot and southern blight; pests include: jasmine leaf borer, scale insects, and carmine spider mite. (1) Jasmine stem rot. This disease occurs at the base of the stem. In the early stage, the lesions are brown spots with a water-soaked appearance. The lesions extend longitudinally into streaks. The edges are dark brown, the interior grayish-brown; in the later stage, the lesion tissue rots and splits longitudinally, and black granular bodies appear. This disease occurs year-round during greenhouse maintenance, and is especially severe in early spring. It also occurs in August-September when plants are maintained outdoors. High temperature and humid conditions
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How to control leaf spot disease in hydrangea (Impatiens)
[Alias] Impatiens brown spot disease. Hydrangea leaf spot is one of the common diseases on hydrangea. [Distribution] Sichuan, Henan, Guangdong, Taiwan, China, Jilin, Shanghai, Zhejiang, Hunan and other places. [Symptoms] The disease mainly occurs on leaves. Leaf spots initially appear as light yellowish-brown water-soaked small dots, then expand into circular or nearly circular shapes, 2-5 mm in diameter, with a maximum of about 15 mm. Later the center becomes light brown, the edge dark brown, slightly raised, with inconspicuous concentric rings, and black small dots, which are the fungus's pycnidia, are produced on the diseased area. In severely infected
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Detailed Guide to Hydrangea Pest and Disease Control
Hydrangea Pest and Disease Control Hydrangea green petal disease symptoms: plants are stunted and shrunken; inflorescence color fades, petals usually turn pale yellow-green, flowers are small or absent. Transmission route: it is caused by infection with mycoplasma-like organisms (abbreviated MLO). MLO mainly survives and overwinters on various perennial plants such as daisy, oxeye daisy, greater plantain, fleabane, corn marigold, and sow thistle, and is mainly transmitted to cause damage through leafhoppers from these plants. In addition, dodder can also transmit the virus. Control methods 1. Promptly remove and destroy diseased plants to reduce
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Hydrangea Pest and Disease Control Methods and Key Technical Points
When humidity is high, temperatures are high, and ventilation is poor, the plant is prone to aphid damage. Control methods: ventilate promptly. In severe cases, spray with 1500-fold diluted Mieyaling solution. In mild cases, they can be removed by hand with a brush. Spraying with cigarette butt or chili pepper water is also effective. For its control methods, refer to those for roses.
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Symptom Identification and Control Methods of Hydrangea Viral Disease
Also known as hydrangea ringspot virus disease and hydrangea mosaic disease. Found sporadically in Beijing, Henan, Hebei and other places. It harms hydrangeas, making the plants short and small, with small and pale flowers, reducing their ornamental value. In some places, horticultural cultivation appreciates its diseased beauty, and it is called variegated-leaf hydrangea. Symptoms are a systemic disease; infected plants are thin and weak as a whole, with pale colors in branches, leaves and flower clusters, appearing pale green under a light pinkish-white covering; the leaves have irregular pinkish-white patches mixed into the pinkish-green, with clear boundaries separated by leaf veins; the leaf margins are white. In early spring and winter in the greenhouse
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Understanding and Correcting Common Clinical Medication Errors in Canine Diseases
Because veterinarians may have an incomplete understanding of the animal being treated, the condition, and how drugs work, various errors can occur during drug use. Although such errors can lead to treatment failure or even toxic reactions, they can also provide a basis for correction when establishing a correct diagnosis and implementing a drug treatment plan for future diseases. Therefore, recognizing and correcting clinical medication errors is a positive practical activity in veterinary clinical practice. 1 Common types of medication errors in clinical practice
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How are bee diseases diagnosed? Observe the bee's body to identify the disease
State. Sick bees often appear dull, slow to respond, listless, unable to take flight, restless, resting on one side, or slowly rolling and crawling inside and outside the hive. Head. A healthy bee's head moves freely; when it shakes its head and scratches, it may have parasites such as bee mites. Wings. A healthy bee has 4 intact wings that open and close freely and allow free flight. A sick bee's wings are incomplete, or it quivers its wings and loses the ability to fly. Some young bees have curled wings, mostly due to curled-wing disease, and incomplete wings are mostly caused by bee mite damage.
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Pigeon Newcastle Disease: Symptom Identification and Prevention and Treatment Methods
[Cause] Also known as pigeon paramyxovirus type I disease, it is a viral infectious disease (paramyxovirus type I virus), transmitted through contaminated feed, drinking water, pigeon equipment, and the clothing, shoes, and hats of people who have contact with diseased pigeons. [Symptoms] The initial signs are ruffled feathers, listlessness, and reduced appetite. There are paroxysmal spasms, drooping of one or both wings, paralysis of the feet and claws, twisting of the head and neck, head tilting backward, and discharge of yellow-green watery droppings, with feces adhering around the vent. Difficulty breathing, conjunctivitis or ocular inflammation, and nasal discharge may also be seen.
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Occurrence and Control Methods of Withering Tail Disease in Snakes
Diagnosis: Withering tail disease is generally a complication arising from spleen and stomach dysfunction that has not been treated in time. It often presents as emaciation, loss of appetite, shriveling and wrinkling of the tail, and then drying up. Treatment: mainly strengthening the spleen and benefiting the stomach. For traditional Chinese medicine, decoct Amomum villosum (spring amomum), Aucklandia lappa (costus root), Codonopsis pilosula, Atractylodes macrocephala, Poria cocos and Glycyrrhiza uralensis in water and administer orally. For Western medicine, glucose, compound vitamin B liquid, etc. can be administered orally. Inject vitamin B12.
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Degradable-film controlled-release fertilizer for rice successfully developed in Hunan Province
The Soil and Fertilizer Institute of Hunan Province has developed a degradable-film controlled-release fertilizer for rice that can be widely applied in rice-growing regions of China with no side effects. Using natural and semi-natural polymer materials as the main coating components and adopting a self-developed new fluidized dual-spray-bed coating process, the Soil and Fertilizer Institute of Hunan Province developed a degradable-film controlled-release fertilizer whose nutrient release can be artificially controlled within 30 to 330 days. This controlled-release fertilizer is non-toxic, completely degrades within 2 years after being applied to the soil with no residue, and can reduce fertilizer pollution of the atmosphere, soil, water bodies and other environments.
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