on the spot Learn more about on the spot
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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 -
Why are there spots on lettuce leaves? are there any spots on lettuce to eat? Lettuce brown spot, how to make self-made medicine
What is the reason for the spots on lettuce leaves?
2019-02-15 -
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 -
Control methods of harmful symptoms of plant brown spot and the difference between plant brown spot and anthracnose
Brown spot is a fungal disease caused by Rhizoctonia solani, which is widely distributed all over the world and can infect all turfgrasses, especially cold-season turfgrasses, resulting in the death of lawn plants and the formation of large area bald spots on the lawn. Greatly destroy the lawn landscape
2018-09-05 -
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 -
The latest Research on the Evolution of National Orchid Line Art
Zhenhe, middle dwarf lotus petal of lotus petal orchid, thick-skinned broad-leaf lotus petal orchid from Baoshan, Yunnan, the first sight of this flower is this angle in the photo, this is the position, it seems to be made by its momentum, a strong sense of asphyxiation, can not feel the heartbeat, at a distance of two meters, I look at it reverently and solemnly. Yunnan is rich in.
2018-02-25 -
What about the rust spots on the banyan leaves? the causes of the rust spots on the leaves of the banyan leaves / pay attention to water and temperature
Qin leaf banyan, a beautiful foliage plant, whose leaves are large and visible, looks like a cello, and is evergreen all the year round. But in the process of culture, many flower friends have rust spots on the leaves of figs, which seriously affects the ornamental quality of the plants. they would like to know what to do with the rust spots of figs.
2018-12-11 -
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 -
Identification and diagnosis of main diseases and pests in melons and vegetables
Identification and diagnosis of main diseases and pests in melons and vegetables
2018-07-10 -
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 -
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 -
How to do the long spots of Cymbidium, spraying chemicals to change the basin soil / reasonable fertilization is the key.
The role of gentleman orchid, people who have raised should have a deep experience, its thick green leaves are very ornamental, but also have a good role of fengshui, very suitable for keeping indoors. However, in the process of breeding, for some reasons, the leaves of the plant will be spotted, so what about the speckles of Cymbidium? To this
2018-12-18 -
What is the reason for the appearance of spots on lettuce leaves?
What is the reason for the appearance of spots on lettuce leaves?
2019-02-15 -
Control of Cucumber Target spot
Cucumber target spot is a kind of fungal disease, and the pathogen is Cladosporium melonensis, so it is also called clavulosporium leaf spot. It has been reported in various parts of our country in the past, but it is not very serious. In recent years, with the continuous development of protected cultivation, the disease has become an important leaf disease in cucumber production.
2018-09-14 -
Control of sunflower brown spot
Sunflower brown spot, also known as spot blight, occurs widely in China, which can cause seedling death in the early stage and premature leaf death in the later stage, which has a great impact on yield. At the initial stage of the disease, nearly round disease spots were formed on the cotyledons or young leaves, with a diameter of 2-6 mm. The spot is brown on the front, surrounded by a yellow halo.
2018-07-23 -
What is soybean gray spot disease and how to prevent it?
What is soybean gray spot disease and how to prevent it? Ask to instruct soybean gray spot disease: (1) harm and symptom soybean gray spot disease calls brown spot disease again, spot disease or frog eye disease. Soybean gray spot is a worldwide disease, and also an important disease in main soybean producing areas in China, especially in Northeast China. The pathogen is located in the eastern part of Heilongjiang Province.
2018-09-10 -
What is the reason for the spots on the latest lettuce leaves?
Lettuce is one of our daily vegetables, it tastes good, nutritious, and unique eating method, planting management is simple, many people will plant some at home, pick and eat, but when planting lettuce leaves will appear spots, these spots will also spread. How did this happen?
2020-11-10 The latest lettuce leaves appearance spots what is it the reason -
Introduction to the control methods of Canna spindle spot
No matter the storm or the scorching sun, most of the canna blooms on four sides during the flowering period, except for some special varieties or canna with its own defects caused by diseases, as people pay more attention to the canna and gradually know that it is easy to catch spindle spot if the canna is not properly maintained during the growing period.
2018-07-01 -
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 -
How to prevent and cure sunflower brown spot?
How to prevent and cure sunflower brown spot? Please give guidance to sunflower brown spot, also known as spot blight, which occurs widely in China, which can cause seedling death in the early stage and premature leaf death in the later stage, which has a great impact on yield. In the early stage of seedling disease, nearly round disease spots were formed on cotyledons or young leaves, 2 ~ 6 mm in diameter.
2018-07-19