tumor disease Learn more about tumor disease
-
Pay attention to the prevention and control of maize tumor smut
The symptoms of the disease can be infected in all parts of the ground during the whole growth period of corn, especially in the male-pumping stage. tumors of different sizes are produced in the affected part. at the initial stage, the tumor is wrapped in a white film, then turns gray, and then spreads black powder after cracking. that is, the spores of the pathogen. On the leaf easy to produce bean grain size tumor-like pile, male.
2018-09-12 -
Prevention and treatment of Flower Root Cancer (Picture)
Root cancer is also called crown gall disease. Cherry blossom and rose root cancer mainly occurs in the root neck, but also in the root and aboveground parts. At the beginning of the disease, there were small round tumors, then gradually enlarged and hardened, the surface was rough, cracked, the color changed from light to dark brown or dark brown, and the interior of the tumor was lignified. Tumors vary in size
2018-12-21 -
Control of Maize powdery mildew
In recent years, with the occurrence of maize powdery mildew, the ear has lost its edible and feeding value, so the prevention and control should be done as soon as possible. During the whole growth period of maize, powdery mildew may occur in all the tender parts of the aboveground parts. The disease is tumor-like, and the size of the tumor is related to the size of the tumor.
2020-11-08 Seed corn tumor black powder disease control in recent years -
Prevention and treatment techniques of common diseases in bamboo rodents
Prevention and treatment techniques of common diseases in bamboo rodents
2018-07-04 -
Disease control of tortoise
Etiology of mumps: the pathogen is Aeromonas punctata. The main reason is water pollution. Symptoms: sick turtles, slow to move, often raise their neck in water or land, their neck is abnormally swollen, and their hind limbs are bulging. There is gas under the skin, the limbs are swollen; in severe cases, the mouth and nose bleed. Prevention and treatment: streptomycin sulfate is injected, 100000-120000 units per kilogram of body weight. Once a year. Daily use of 30 mg / L furazolidone every 2-3 months
2019-01-16 -
Cancer of tea root
Symptoms occurred in Anhui, Zhejiang, Guangdong and other provinces. It mainly harms the roots. At the beginning of the disease, the main root and lateral root produced light brown spherical protuberances, and then expanded into tumors, small ones like grains, large ones like broad beans, multiple small tumors gathered together to form large tumors, and later tumors became brown and Lignification, rough surface and hard texture. Cutting seedlings infected with little or no roots, resulting in slim plant weakness or leaf yellowing and shedding, plant death. Pathogen Agropyi μ Mt μ mefaciens
2019-01-16 -
Control techniques of Maize smut
Corn smut is called "ash bag" by farmers. It can occur in all growth stages of maize, harming male and female ears, male and female, stems and leaves, etc. Symptom identification the symptoms were gradually obvious before and after the bolting of corn. The affected parts grow tumors of different sizes, which are white or reddish purple at first, then turn gray, and spread black powder after rupture. All right.
2018-09-13 -
How to prevent and cure the root nodule disease of cherry blossoms
The gorgeous cherry blossoms are loved by people, but they are susceptible to a deadly root nodule disease. The disease mainly occurs on the trunk and lateral branches of the root and aboveground parts of cherry blossoms. In the early stage of the disease, the rhizome was swollen with a spherical or hemispherical tumor, and the young tumor was white, soft and smooth. After that, the tumor gradually enlarged, hardened, brown or dark brown, the surface was rough and cracked, and gradually infected the main root, lateral root and even capillary root from the rhizome, and each node expanded into tumors of different sizes, which caused the cherry blossom to grow slowly or even stop growing, and the whole plant withered in 3 to 5 years.
2019-01-16 -
Prevention and treatment of Cherry Root Cancer
Prevention and treatment of Cherry Root Cancer
2019-02-21 -
Main Diseases and Control methods of Waxberry
1. Bayberry cancer disease 1. Symptoms: red bayberry cancer disease is a bacterial disease. Mainly damage the branches of 2-3-year-old fruit trees, mostly form tumors on the branches, the tumor is nearly spherical, the size is different, the cork is very hard, brown to dark brown. In general, the tumor on the branch begins to grow in early April, 7-8.
2018-09-15 -
Efficacy and function of Tricholoma matsutake
Efficacy and function of Tricholoma matsutake
2018-07-07 -
The latest course of prevention and treatment of cherry root cancer
Cherry is a kind of fruit tree with high economic value. With the expansion of market demand in recent years, its planting area is also expanding. However, there will be diseases and insect pests when planting, and root cancer is one of the main diseases of cherries, and the harm brought by the development of cherries is increasing.
2020-11-10 The latest cherry root cancer disease prevention technology methods tutorials -
What symptoms does fruit tree root nodule disease have? How to prevent and cure it?
The root nodule disease of fruit trees is a very common disease, which may reduce the yield or even lead to the death of fruit trees if it is not controlled in time. Therefore, fruit farmers must do a good job in prevention and treatment, so what are the symptoms of root nodule disease in fruit trees? How to prevent and cure it? I. main symptoms of root nodule disease
2020-11-08 Fruit root tumor disease disease have what symptoms want how fruit -
How to prevent and cure cherry blossom root nodule disease?
How to prevent and cure cherry blossom root nodule disease? The gorgeous cherry blossoms are very popular, but they are susceptible to a fatal root nodule disease. The disease mainly occurs on the trunk and lateral branches of the root and aboveground parts of cherry blossoms. In the early stage of the disease, the rhizome was swollen with a spherical or hemispherical tumor, and the young tumor was white and qualitative.
2018-07-18 -
How to prevent cherry root cancer?
How to prevent cherry root cancer? The tumor at the cherry root neck is caused by a bacterium belonging to the genus Agrobacterium and is called cherry root cancer. The most obvious symptom of this disease is the formation of spherical or hemispherical nodules at the root neck. The nodules are white and soft in the early stage, then gradually enlarge and lignify. The tumor surface is rough, brown or dark brown. Cherry root cancer often causes poor growth of the plant above ground, yellow leaf color, serious plant death. The pathogenic bacteria of cherry root cancer survive and overwinter in the surface layer and soil of the diseased plant cancer tumor.
2019-01-16 -
What is the root nodule disease of rose?
What is the root nodule disease of rose? How to prevent and cure? Ask for guidance rose root nodule disease: symptom: that is, the white nodule seen in the root. The young tumor is white and elastic and hardens later. The surface of the tumor is rough. Brown or dark brown, when severe nodules can grow out of the ground. The rose with long root nodules grows poorly and the leaves are yellowing.
2018-07-18 -
Prevention of lymphocytic leukemia in chickens
Chicken lymphocytic leukemia (LL) is a neoplastic disease caused by leukemia virus in near-sexually mature chickens or sexually mature chickens. It is characterized by slow epidemic, long course of disease, low mortality and tumors in liver, spleen, kidney and bursa of Fabricius. Chicken leukemia virus is a leukemia / sarcoma virus group of RNA tumor virus C of the family Retroviridae. This virus can not bear high temperature, 50 ℃, 8 minutes or 60 ℃. It can lose its activity in 30 seconds, but it can be preserved for several years at-60 ℃. (1) epidemic characteristics: under natural conditions
2019-01-16 -
Matters needing attention in soilless cultivation of flowers, occurrence and control of root cancer of flower seedlings
Occurrence and Control of Root Cancer of Flower seedlings
2019-06-05 -
Rhododendron leaf swelling disease
Symptoms: rhododendron leaf swelling disease is also called cake disease. The young tissues of rhododendron can be damaged, mainly for flower buds, tender leaves and new shoots. The front of the leaf is a light yellow translucent round spot at first, then yellow, sunken; the back of the leaf is reddish, hypertrophic and swollen, followed by a gall tumor, and there is a thick gray-white powder layer on the surface of the gall tumor, such as biscuit-like, withered, yellow and early fallen leaves. In severe cases, the petiole disease is patchy and deformed and hypertrophy. When the tender shoot is sick, the top produces a fleshy lotus-shaped leaf, or a tumor-like leaf, and then shrinks into a sac. After the petals are infected, they are abnormally thick and show irregular galls.
2019-01-15 -
Effect and function of toad coat
Effect and function of toad coat
2018-07-07