white leaf disease Learn more about white leaf disease
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The latest course on techniques and methods of sugarcane white leaf disease control
There are single or several white or milky yellow or light green stripes on the leaves of sugarcane white leaf disease plants, the stripes vary in width and width, sometimes the whole leaves become white, the leaves are soft, the lateral branches or tillers of the diseased sugarcane plants are all white, and the severe leaf sheaths turn white, sometimes in white leaves.
2020-11-10 The latest sugarcane white leaf disease control technology methods tutorials -
Control techniques of sugarcane white leaf disease
Control techniques of sugarcane white leaf disease
2018-07-02 -
White pine leaf koi shows symptoms of disease
The white pine leaf koi introduces that the white pine leaf is a kind of pine leaf brocade carp. In the brocade carp breed, the scale is pine leaf-like, the whole body is white, and there are black markings on each pine leaf-like scale. White pine leaf brocade carp and light yellow brocade carp belong to the same ancient koi.
2019-05-21 -
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 -
Control of Orchid Base Rot and White Silk Disease
Control of Orchid Base Rot and White Silk Disease
2018-05-04 -
Plain sailing. What are the diseases and insect pests? How to prevent and cure?
(1) disease. The common diseases are bacterial leaf spot, brown spot and blight, as well as root rot and stem rot. There are two ways of infection of bacterial leaf spot. The first type of infection begins on leaves, which is called leaf infection. Leaf infection usually begins at the edge of the leaf and where there are many stomata in the lower part of the leaf. Initial stage
2019-03-04 -
Seven methods can effectively reduce the occurrence of diseases and insect pests in the control of diseases and insect pests.
Colored leaf grass is very popular because of its beautiful plant shape, rich leaf color and easy landscaping, but even if it has strong adaptability, it will inevitably be plagued by diseases and insect pests. what if it grows insects or diseases? Let's take a look at the prevention and control of diseases and insect pests.
2018-12-11 -
What kind of pesticides are used in garlic white rot
Garlic is a common plant in life, almost every family will use it every day, and some like to grow some on the balcony, and during the planting of garlic, there will be white rot phenomenon, which pesticide is used for garlic white rot? What pesticides are used for garlic white rot?
2020-11-08 Garlic white rot with what pesticides garlic yes life medium -
Petunia pest control methods, virus disease / leaf spot disease / white mildew / prevention
Petunia itself is not prone to pests, but sometimes neglect maintenance causes it to be infected by diseases and insect pests, which not only causes flowers to wither ahead of time, but also makes plants grow slowly or even die. The more common diseases and insect pests are white mildew, leaf spot, virus disease and aphids.
2018-12-10 -
Symptoms and control of white rust of hollow cabbage
Asparagus, formerly known as Yongcai, also known as rattan vegetable, water spinach, spinach, arenaria, urn vegetable, empty cauliflower, bamboo leaf cabbage, white trumpet-shaped flower its stem center is empty, so it is called asparagus. It is widely cultivated as vegetables in rural areas of southern China. The plant of asparagus
2020-11-08 Asparagus white rust disease symptoms and prevention and control spinach original name -
How does green onion new leaf have white spot dry leaf to bend atrophied to do?
How does green onion new leaf have white spot dry leaf to bend atrophied to do? Please introduce a lot of diseases and insect pests that cause dried yellow leaves of scallion, such as downy mildew, gray mold, blight, virus disease, seed fly, etc. Since the medicine for treating downy mildew, gray mold and blight has no effect, scallion has the greatest possibility of virus disease and damage by seed fly.
2018-09-08 -
Radish planting: what diseases does white radish have?
What diseases does white radish have? Please introduce and control the common diseases of white radish for reference: 1. Downy mildew: radish downy mildew mainly harms leaves. The onset of the disease begins with the outer leaf, with light green to light yellow spots on the leaf surface, yellowish brown after expansion, and polygonal due to the limitation of leaf veins. Tide.
2018-09-08 -
How to control the diseases and insect pests of purple back taro?
Amorphophallus mandshurica has strong resistance and few diseases and insect pests, but diseases and insect pests still occur when it is not well managed in the process of cultivation. The common insect pests are shell insects, red spiders, etc., and the common diseases are white silk disease and leaf spot disease.
2019-01-28 -
Causes and control methods of leek leaf rot
Causes and control methods of leek leaf rot
2020-03-17 -
Control methods of common diseases and pests of calla lotus
Calla lilies, also known as Cigu flower, taro, water taro, its leaves are emerald green, the flower heart is very prominent and white, and its shape is very special. It likes a moist and sunny living environment. It is widely cultivated in many areas, and its flowering period is as long as 6 months. But in the process of breeding calla lilies are often disturbed by diseases and pests.
2018-07-01 -
Prevention and control of white spot on leaf surface like roast Chinese cabbage
Prevention and control of white spot on leaf surface like roast Chinese cabbage
2018-07-11 -
Key points of pollution-free control of white rust of hollow cabbage
Symptoms: the disease spot grows on the back of the leaf, the leaf front appears yellowish to yellow spot, then gradually turns brown, the disease spot expands, and the back of the leaf produces white protuberant blister spots, which are nearly round or oval to irregular shape, and sometimes heal into larger blister spots. In the later stage, the blister spot ruptures and spreads out white impotent sporangia. When the leaves are seriously damaged, the disease spots are dense and sick.
2018-09-13 -
Key points of pollution-free control of white rust of hollow cabbage
Symptoms: the disease spot grows on the back of the leaf, the leaf front appears yellowish to yellow spot, then gradually turns brown, the disease spot expands, and the back of the leaf produces white protuberant blister spots, which are nearly round or oval to irregular shape, and sometimes heal into larger blister spots. In the later stage, the blister spot ruptures and spreads out white impotent sporangia. When the leaves are seriously damaged, the disease spots are dense and sick.
2018-09-13 -
How to identify grape white rot? What are the prevention and control techniques?
Grape white rot, commonly known as water rot or ear rot, is mainly harmful to ears (including rachis, pedicels and grains), as well as branches and leaves. It is a major disease commonly occurred in grape producing areas in China. So how to identify grape white rot? What are the prevention and control techniques? one
2020-11-09 How identify grape white rot control technology have which -
Gardenia yellowing disease
Symptoms and pathological changes: chlorosis is an important physiological disease of gardenia. The disease is widely distributed and is common in the north of the Yangtze River. The disease mainly occurs in the leaves, starting from the young leaves at the top, the leaves fade, the mesophyll between the veins is yellow, and then the veins are also faded, and the edges of the leaves are yellow and white. Last
2018-12-16