leaf spots Learn more about leaf spots
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Special Topics on Orchid Diseases and insect pests
Look at the special topic of orchid diseases and insect pests and treat the disease "two".
2018-04-02 -
Special Topics on Orchid Diseases and insect pests
Orchid diseases and insect pests special picture treatment, white silk disease usually preventive medicine: pesticide name: methyl Likuling EC; action characteristics: internal absorption 20% sterilization.
2018-04-02 -
Special Topics on Orchid Diseases and insect pests
Orchid diseases and insect pests special picture treatment, ring disease + anthrax "spiny spores" usually prophylactic use: pesticide name: 77% can kill wettable powder.
2018-04-02 -
Control techniques of Maize Leaf spot and Leaf spot
Corn leaf spot and small leaf spot are mainly harmful to leaves, and sometimes infect leaf sheaths and bracts. Leaf spot can not only damage the above-mentioned parts, but also damage ears. In many areas, these two diseases are collectively referred to as "corn spot". 1. Symptom recognition: the typical symptom of corn leaf spot is the rapid expansion of small spots and the growth of large edges.
2018-09-12 -
What about the spots on the leaves of the rich tree? what about leaf blight?
Make a fortune tree, this is a lot of people are super like, this name is not super auspicious, to see how to make a fortune tree with long leaf spots? What about the leaf blight of the rich tree: what about the long spots on the leaves of the rich tree: the leaf spot is easy to distinguish, and dark brown or brown spots grow on the leaves at the beginning.
2019-01-26 -
The latest Control measures of Maize Leaf spot
Corn leaf spot is one of the main diseases of maize, which mainly harms leaves and also harms leaf sheaths and wrapped leaves in serious cases. After the plant is susceptible, it starts from the bottom leaf and gradually expands upward, the same leaf, large and small spots can be mixed, or multiple disease spots can occur with each other.
2020-11-10 The latest corn big spot disease control measures -
How to prevent and cure pineapple stem spot mildew leaf spot?
How to prevent and cure pineapple stem spot mildew leaf spot? What harm does pineapple stem spot mildew leaf spot disease have? Please introduce the harm of pineapple stem spot leaf spot: pineapple stem spot leaf spot is a common disease, which belongs to a kind of leaf spot disease, which mainly harms leaves and affects leaf photosynthesis.
2018-07-18 -
Control measures of Maize Leaf spot
Control measures of Maize Leaf spot
2018-07-01 -
Rich tree leaves have brown spots, pay attention to distinguish leaf blight from leaf spot.
Rich tree leaves have brown spots, pay attention to distinguish leaf blight from leaf spot.
2019-03-01 -
Bacterial leaf spot of green radish
[symptoms] at the initial stage of the disease, water-stained necrotic spots appeared on the green radish leaves, and the later diseased spots gradually turned dark brown, and there were often concentric wheel lines and yellow edges on the diseased spots. after the green pineapple was infected by bacterial leaf spot, the ornamental value decreased greatly. [pathogen and pathogenesis] is a bacterial disease, the pathogen is Pseudomonas chrysanthemum
2019-03-03 -
Control methods of leaf spot and anthracnose of sunflower
Loose-tailed sunflower is a common green flower in home and office area. summing up the experience of flower friends, it is found that loose-tailed sunflower often develops leaf spot and anthracnose in the process of culture. The symptoms and prevention methods of these two diseases are briefly introduced. Anthracnose of sunflower: 1. Symptoms: after the occurrence of anthracnose of sunflower
2018-12-22 -
Cercospora leaf spot
Cercospora leaf spot
2018-05-04 -
Control methods of Leaf spot of Pelargonium
[symptoms] at the beginning of the disease, chlorotic spots appeared on the susceptible leaves, and then the lesions gradually expanded to form large round spots. The disease spot is dark brown and has concentric rings. In the later stage of the disease, a black-green mold layer appeared on the disease spot, which was the conidia of the pathogen.
2019-03-05 -
Causes, prevention and treatment of leaf spot disease of rich trees
Leaf spot is a common disease of rich trees. For ordinary flower friends, many medications are not readily available, so it is necessary to give priority to prevention and timely reduction of diseased leaves. Below, I will understand the causes and control methods of rich leaf spot disease.
2018-06-26 -
How does gardenia prevent leaf spot disease?
What are the hazards of gardenia leaf spot disease? How to prevent gardenia leaf spot disease? Please also help introduce the net planting sort out gardenia leaf spot disease hazards and prevention methods, listed below for the reference of netizens. Gardenia leaf spot disease harm: Gardenia leaf spot disease mainly occurs on the leaves,...
2018-09-07 -
Prevention and treatment of leaf spot of carnation
Carnation leaf spot, also known as branch rot, stem rot. It is the world's most serious disease that harms carnations, as well as American carnation, carnation, eversummer carnation, soap grass and so on. Areas that breed carnations in Shanghai, Hangzhou, Guangzhou, Kunming and southern Jiangsu Province are also affected by the disease.
2019-03-04 -
What if the rich tree got leaf spot?
What should we do when there is a spot on the leaves of the rich tree? Leaf spot is a common disease of rich trees. Many flower friends do not know how to treat it. For ordinary flower friends, many medications are not readily available.
2018-05-30 -
Occurrence and Control of Leaf spot of Carnation (Carnation)
Carnation, also known as carnation and carnation, is easily infected with leaf spot disease, affecting its growth and development and reducing the yield and quality of fresh cut flowers.
2018-10-21 -
Prevention and treatment of cucumber target spot disease spot with target eye leaf in greenhouse
Prevention and treatment of cucumber target spot disease spot with target eye leaf in greenhouse
2018-07-11 -
Cilantro planting: what is cilantro leaf spot?
What is cilantro leaf spot? What harm does leaf spot disease do to coriander? Please introduce and control the harm of cilantro leaf spot: leaf spot is mainly harmful to leaves, petioles and stems, leaves infected with primary olive to brown, irregular or nearly round small spot, obvious edge, central gray after expansion, disease.
2018-07-18