jujube madness Learn more about jujube madness
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Symptom characteristics and control measures of jujube leprosy
Jujube leprosy symptoms and control measures Jujube leprosy, also known as "jujube cancer disease", witches disease, broom disease, is a destructive infectious disease on jujube, jujube once infected with the disease, generally 2~6 years after the disease can be the whole plant death.
2018-06-09 -
How to treat jujube mad disease?
Jujube tree is very common in daily life, many farmers will plant a jujube tree in front of the door. Jujube trees have a very long history in China, with a written history of more than 3,000 years. In "Poetry Wind July", jujube trees are peeled in August and rice is harvested in October. The birth of jujube
2020-11-08 Jujube crazy disease how cure jujube in daily life -
The latest control measures of jujube mad disease in jujube trees
Jujube mad disease, also known as broom disease, fire dragon disease, is a destructive comparison of jujube trees, the disease is the first symptoms from the branches and leaves, spreading in the whole plant, so what are the specific symptoms of jujube madness? How to prevent and cure it? Let's take a look. I. jujube
2020-11-10 The latest jujube tree jujube madness disease control measures jujube mad disease -
Control method of jujube blight in spring with dense twigs which are long and difficult to shed
Control method of jujube blight in spring with dense twigs which are long and difficult to shed
2018-07-11 -
Control measures of Jujube Mad Disease in Jujube trees
Control measures of Jujube Mad Disease in Jujube trees
2019-08-03 -
Prevention and Control of Jujube Witching Disease
Many of them have been questioned about the number of people who have been killed each year. What's going on? How should we prevent it? In response to these questions, the reporter interviewed Feng Yibin, a researcher at Zhengzhou Fruit Research Institute of Chinese Academy of Agricultural Sciences. Experts say the disease is gone again.
2020-11-08 species jujube jujube madness disease prevention recent days many readers consultation -
Identification and Control of Jujube Mad Disease
Jujube mad disease, commonly known as "male jujube tree", is a destructive disease of jujube tree. In serious cases, it can cause a large number of jujube trees to die and even destroy the garden. 1. Symptom recognition (1) the initial symptoms appeared after flowering, which were characterized by degeneration of floral organs and abnormal germination of buds, narrow leaves, clustered branches and leaves, and spatulate veins, yellowing and curling. (2) the diseased tree leaves had obvious pathological changes after anthesis, first the mesophyll turned yellow, gradually the whole leaf yellowed, the edge curled up, and became hard and brittle in the later stage. (3) positive buds and positive buds on one-year-old developing branches of diseased plants
2019-01-16 -
How does jujube madness come into being?
Jujube mad disease is a destructive disease of jujube. After infection, the jujube tree showed the following abnormal phenomena: 1. The flower organ was anti-ancestral, the pedicel lengthened 3-6 times as much as the normal flower, and the sepals, petals, stamens and pistil grew abnormally, forming light green leaflets. For the diseased trees with strong potential, there will be dwarf twigs in the axils of leaflet leaves, forming clumps of branches. 2. Developing branches, positive and accessory buds and fruiting mother branches germinate and grow many times a year, continuously producing small yellow-green branches and leaves, forming dense branches and clumps, which are not easy to fall off in winter. 3. The whole branch is dormant.
2019-01-16 -
Prevention and control of jujube mad disease
Jujube mad disease is a destructive disease of jujube. After infection, the jujube tree showed the following abnormal phenomena: 1. The flower organ was anti-ancestral, the pedicel lengthened 3-6 times as much as the normal flower, and the sepals, petals, stamens and pistil grew abnormally, forming light green leaflets. For the diseased trees with strong potential, there will be dwarf twigs in the axils of leaflet leaves, forming clumps of branches. 2. Developing branches, positive and accessory buds and fruiting mother branches germinate and grow many times a year, continuously producing small yellow-green branches and leaves, forming dense branches and clumps, which are not easy to fall off in winter. 3. There are a large number of hidden buds in the dormant state on the whole branch.
2019-01-16 -
Surgical treatment of jujube madness
First, the basis. The pathogen of jujube mad disease is mycoplast, which mainly lives in the phloem of jujube tree and is transmitted in the tree through sieve tube tissue. In winter, the mycoplastids were transferred from the aboveground to the roots over the winter, and returned to the branches with the sap flow in the following spring. Accordingly, surgical treatment can effectively eliminate mycoplastids. Method (1) main ring saw. Before the jujube leaves fall to sprout the following year, start from the trunk 40 cm from the ground, and saw the ring-shaped trench on the jujube trunk. It is required to saw through the cortex, but not to hurt the cambium. According to the severity of the disease
2019-01-16 -
Control methods of jujube mad disease
1. Symptoms Jujube Mad Disease, also known as witches' broom disease, broom disease, fire dragon disease, is a devastating disease. Fruit growers call it "mad jujube tree" or "male jujube tree". Both aboveground and underground parts of jujube trees can be infected. The aboveground infection was mainly characterized by floral organ degeneration, bud germination and abnormal growth, resulting in clusters of branches and leaves, extension of the hanging end of jujube, bright veins, yellowing or curling of tender leaves, and occasionally ear-shaped leaves. The disease in the underground part is mainly manifested as a cluster of roots and tillers. The whole flower organ of the diseased tree was degenerated into a vegetative organ, and the flower stalk was prolonged, which was 5-7 times longer than that of the healthy flower.
2019-01-15 -
Occurrence and Control of Jujube Mad Disease
Jujube mania is a destructive disease, which should be prevented. It is very popular in jujube producing areas in China. Once the disease occurred, there were few results in the second year, even if the results lost their edible value, and the whole plant died 3-4 years later. The main results are as follows: 1. the main reason for the occurrence of jujube wind disease is the invasion of mycoplastids. Bacteroid plastids can be transmitted by grafting. Under natural conditions, the natural grafting of roots between plants can also spread, and some leafhoppers are also disseminators of mycoplastids. 2. Comprehensive control measures 1. Breeding and disease resistance
2019-01-15 -
Ten key points for prevention and control of jujube mad disease
Jujube mad disease, also known as witches' broom disease, is a destructive disease of jujube trees. Infected jujube tree, flower degeneration deformity, branches and leaves small, clump, leaf wrinkle does not extend, resulting in a large number of plants stagnant or death, prevention and control should pay attention to the following ten points: 1. Do a good job in the quarantine of the producing areas of seedlings. For the development of new jujube orchards, such as local cultivation, the roots connected to the mother plant should be cut off as soon as possible. The introduced seedlings should be strictly quarantined, the root seedlings of the disease-free mother plants should be selected for propagation, and the disease-free rootstocks and scions should be grafted to ensure the quarantine of the producing area. two。 Pay attention to grafting and pruning
2019-01-16 -
When do jujube trees usually blossom and lose their leaves? How to treat the yellow leaves? What kind of medicine should I take?
Jujube trees grow in mountains, hills or plains below 1700 meters above sea level. It is widely cultivated. This species is native to China and is often cultivated in Asia, Europe and America. So in which month do you usually blossom and shed leaves? How to treat it? What kind of medicine should I take? According to the data of Rhamnaceae, jujube flowers
2020-11-09 Jujube usually in what month bloom deciduous leaves yellow leaves how to treat -
Causes and Solutions of yield reduction of Jinzao Jujube in Ningxian County in 1999
The cultivation of Jinzao jujube in Ningxian County, Gansu Province is concentrated in Zaosheng Town. It was put into production in 1999, with a total output of 212.5 tons, an average reduction of 22.3 tons compared with previous years, and a reduction of 12.5 percent, which is a poor year in history. First, the reasons for the reduction of the production of Jin jujube. 1. Jujube madness is serious: according to the transfer in Xinzhuang Village, Zaosheng Town, Ningxian County, before 1997, the rate of jujube mad disease accounted for 3.98% of the total number of plants, and the affected trees were all fruit trees. By 1999, the number of jujube mad disease trees had risen to 1387, accounting for the total.
2019-01-15 -
Control of Psilocycterus sp. on Jujube Trees
Jujube trees are generally more common in the north, but rare in the south. For friends who grow jujube trees, the most feared thing is the erosion of pests. Once jujube trees are eroded by pests, not only will the yield decrease, but the fruits will be bitten by insects. More serious, they will also
2020-11-08 species jujube rust gall mite of control general in north -
Cultivation methods of potted jujube trees
Potted jujube trees can blossom in the same year, some of them can bear fruit, and the leaves are small and red. Jujube potted trees can be planted in open spaces, houses and balconies with better light conditions. This paper introduces the cultivation methods of potted jujube trees.
2018-07-17 -
Introduce several fresh varieties of jujube
Golden mango winter jujube matured in late October, due to late maturity, the fruit is shaped like a mango, hence the name mango winter jujube, a single fruit weighs 33 grams. The maximum is 70 grams, the flesh is thick, the meat is fine and crisp, the juice is sweet, the taste is excellent, the quality is excellent, the edible rate of nuclear and small meat is 96%, the content of soluble solids is 26.4%, and the yield is 3% 4 times higher than Zhanhua winter jujube and 30% higher than Daxue jujube. Mature about 50 days later than pear jujube, complementary market with pear jujube, fresh jujube is vacant in the market, the price is high, the fruit is resistant to storage and transportation, resistant to cracking, resistant to jujube mad disease, it is a high quality and abundant.
2019-01-16 -
How to treat jujube disease
Jujube is a traditional planting plant, several jujube trees can always be seen in front and back of many houses in rural areas, and their fruits are delicious and nutritious, which are loved by many people. As early as in July, there are records of peeling dates in August and harvesting rice in October. So jujube
2020-11-08 Jujube disease how cure jujube is a kind of traditional planting -
How do winter trees grow and manage?
How do winter trees grow and manage? Please give an introduction to the planting and management of winter jujube trees can refer to the following techniques: Cultivation points: Planting. This variety has strong adaptability, drought tolerance and barren, and is not strict with fertilizer and water requirements. The garden should be built by dense planting dwarf cultivation, generally 2 to 3×3 to 4 meters, and planting 5...
2018-07-20