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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 -
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 -
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 -
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 -
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 -
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 -
Peanut planting technology: what is peanut net spot disease?
What is peanut net spot? How to control peanut net spot disease? Please also help introduce the cultivation network sorted out the harm and prevention methods of peanut net spot disease, listed below for netizens reference. Peanut net spot disease harm: peanut net spot disease, also known as brown stripe disease, moire spot disease, often mixed with leaf spot disease...
2018-07-17 -
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 -
Lettuce planting: how to prevent and cure the brown spot of lettuce?
Last year, it was found that there were brown spot disease and black spot disease in lettuce planting. How to control lettuce brown spot disease? There are no netizens to guide the prevention and control of brown spot and black spot on lettuce: lettuce brown spot and black spot are considered to be harmful to leaves. Lettuce leaf spots harmed by brown spot show two symptoms: one.
2018-07-18 -
Lettuce planting: what is lettuce brown spot?
What is lettuce brown spot? What harm does lettuce brown spot have? How to control brown spot of lettuce? Netizens are also invited to help introduce the harm of lettuce brown spot and its control methods as follows (provided by the farming network). The harm of lettuce brown spot: lettuce brown spot mainly harms leaves; disease spots on leaves.
2018-07-18 -
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 -
Phalaenopsis French spot: Phalaenopsis looks good, what are the characteristics of Phalaenopsis French spot
French leopard spot Phalaenopsis this term believes that many orchid friends do not know, the older generation all know this kind of orchid, it is the fine of Phalaenopsis. Now I'm going to talk about this kind of orchid. French spots are actually in the middle of the petals like leopard spots Phalaenopsis, and
2019-03-22 Phalaenopsis France spot good-looking characteristic what is it leopard spot -
Control techniques of Brown spot and Black spot of lettuce
Lettuce brown spot and black spot are considered to be mainly harmful to leaves. The leaf spot of brown spot shows two symptoms: one is water-stained at first, then gradually enlarged into round or irregular shape, brown to dark gray spot, ranging from 2mm to 10mm in diameter. Another kind is dark brown disease spot, the edge is irregular, the periphery has the water stain shape halo. Tide.
2018-09-12 -
Specific drug for grape brown spot
At the initial stage of the disease, 50% carbendazim soluble powder can be sprayed 1500 times, or 50% carbendazim 200 times Bordeaux solution, or 50% carbendazim wettable powder 700x solution; if the disease is serious, it can be sprayed once with equal volume of 200 times Bordeaux solution, or 500 times 50 times carbendazim, or 600,800 times chlorothalonil, each
2020-11-09 Grape brown spot disease specific medicine initial stage can be sprayed 50% sterilization -
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 -
The latest control method of peanut brown spot disease
Peanut brown spot is a fungal disease, caused by Cercospora arachidis infection, damage peanut leaves, initially chlorotic spots, then expanded into nearly circular or irregular small spots, the disease spots are larger and lighter than black spot, the front of the leaves are dark brown or tea brown, the back
2020-11-10 latest peanut brown spot disease control method -
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 -
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 -
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 -
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