stem spot Learn more about stem spot
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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 -
Diagnosis and Control of Cotton Seedling Diseases
Diagnosis and control of cotton diseases at seedling stage there are many kinds of diseases in cotton seedling stage, but there are mainly two types of diseases: root disease and leaf disease. Root diseases often lead to rotting before emergence, rotten buds, root rot and stem base rot after emergence are the main causes of lack of seedlings and broken ridges in cotton fields, such as standing blight, anthracnose, red rot, quenching and so on. The leaf disease is harmful to the cotyledons, true leaves and stems of cotton seedlings, and when it is serious, the top of the stem and leaves wither and fall off, such as black spot, brown spot, cotton seedling blight, stem blight and so on. This film focuses on an overview of several
2019-01-16 -
Identification of common confounding symptoms in rice
1. Several kinds of Ralstonia solanacearum 1. Sclerotinia sclerotiorum. It is more common in the late stage of late rice, which often occurs in clumps in the field, and there are several plants in a hole. The tissue at the base of rice is soft rotten and has dark brown spots. Peeling off the basal leaf sheath and stem, we can see that there are many black sclerotia smaller than amaranth seeds. 2. Bacterial base rot and wilt. Sporadic occurrence in the field, generally 1 in 1 point, 3 plants fell ill, the base of the diseased plant showed rat gray rot, the root system was rare and decayed, peeled off the basal stem, full of smelly water, sterile sclerotia. 3. Physiologically withered. The stem of rice plant shrinks and the base of rice stem is pinched by hand.
2019-01-16 -
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 -
Confused spot blight, stem withered, green withered, withered. What does it have to do with all kinds of withering?
Spot blight, leaf blight, stem blight, vine blight, standing blight, green blight, wilt. Seeing so many "blight" diseases, do you feel that your brain has been confused? Moreover, many diseases are similar to each other in terms of symptoms. For example.
2018-05-24 -
How is eggplant stem and leaf long spot to return a responsibility after all?
The small spots on eggplant leaves are light in the middle and dark brown on the edges, and the larger ones are irregular. There are also many small black spots on the disease spot. Many petioles have dark brown necrotic spots. After the stem disease, also has the dark brown disease spot, the disease spot is also the edge dark brown, the middle color is lighter, above also dense small black spot.
2018-09-11 -
Control methods of severe leaf withered stem rot celery spot blight with long and small black spots
Control methods of severe leaf withered stem rot celery spot blight with long and small black spots
2018-07-11 -
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 -
Harm and control of asparagus diseases and insect pests
In recent years, with the continuous expansion of asparagus planting area, the damage degree of asparagus disease has become more and more serious, which has caused a lot of losses to the majority of bamboo shoot farmers. Asparagus diseases mainly include: stem blight, root rot, brown spot, stem blight, shoot blight and so on. The common diseases and control measures in the growth process of asparagus are introduced as follows: 1.
2018-09-13 -
How to prevent and cure stem rot of carnation?
Stem rot is a destructive disease of carnations. The main site of the disease was on the lower branches and leaves, and the spot was round, oval and irregular, reddish brown, dark brown in severe cases, and grayish white to gray in the later stage. The diseased leaves do not fall off after they have dried up, and when the disease spot on the branch surrounds the stem for a week.
2019-03-04 -
How to control cucumber gum disease by stem vine gum dripping gum dead melon gum dripping soft rot
How to control cucumber gum disease by stem vine gum dripping gum dead melon gum dripping soft rot
2018-07-11 -
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 -
Control of black spot disease of growing soybean
Soybean black spot is a common disease. The disease harms pods and stems, resulting in stem death, pods are not fruiting, and in serious cases, plants die. The bean grains in the diseased pods were thin and small, which affected the yield and quality, and the commodity value and oil yield of diseased beans decreased. 1)
2020-11-08 Seed soybean black spot disease prevention and control yes -
What medicine does ginseng black spot disease use to prevent and cure?
What medicine does ginseng black spot disease use to prevent and cure? Please introduce that ginseng black spot is caused by Alternaria fungi infecting stems, leaves, flowers and fruits of ginseng. Airborne. The precipitation frequency is more, the air humidity is high, the air temperature is easy to occur under the condition of 18 ℃-22 ℃, and spread to the surrounding plants, stem spots occur more than in the middle and late May.
2018-07-18 -
Diseases and insect pests of Lotus and their Control methods
1. Black spot: irregular brown disease spots appear on the leaf surface in the early stage, with slight wheel lines, and in the later stage, there are dark black mildew on the disease spots, often several disease spots are linked together to form large disease spots, and in severe cases, the whole plant dies.
2018-11-18 -
Control techniques of diseases and insect pests of Artemisia annua L.
Control techniques of diseases and insect pests of Artemisia annua L.
2018-07-05 -
How to control sesame stem blight caused by spot blight
How to control sesame stem blight caused by spot blight
2018-07-14 -
The latest control methods of asparagus stem blight
Asparagus is a stem vegetable that people often eat, and in the process of planting, stem blight will lead to a serious reduction in production, stem blight is also known as asparagus cancer, light yield reduction, heavy harvest, bringing great losses to the majority of growers. So how to prevent it?
2020-11-10 The latest asparagus stem blight disease control methods yes people -
Leaf, fruit, stem, scab spot, pepper scab disease prevention and treatment in greenhouse
Leaf, fruit, stem, scab spot, pepper scab disease prevention and treatment in greenhouse
2018-07-11 -
Control techniques of diseases and insect pests in muskmelon
Control techniques of diseases and insect pests in muskmelon
2018-07-02