jujube tortoise Learn more about jujube tortoise
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The morphology and harmfulness of jujube tortoise wax scale
Jujube tortoise wax scale belongs to Homoptera, Coccidae, also known as Japanese tortoise wax scale, jujube lice. The adult is reddish, 0.9 mm in length, black in compound eyes and whiplash-shaped antennae. The wings are white and transparent, with two main veins. The female worm is oval, similar to the tortoise shell; the egg is oval, yellowish at the initial stage, and purplish red at the later stage; the nymph is oval and reddish, and the nymph is spread by the wind in the early stage, and soon fixed on the leaves; pupa, only males pupate under the scale shell. The quilt pupa is oval. The insect is fixed on branches, leaves and fruits by nymphs and female adults to suck juice and expel it.
2019-01-16 -
Occurrence regularity and control measures of Luan Shu jujube tortoise wax medium
Jujube tortoise wax (CeroplastesjaponicusGr) belongs to Homoptera, Calyx family, also known as Japanese wax, jujube carapace wax, commonly known as jujube lice. When it occurs in a large area on Koelreuteria paniculata, the branches and leaves of the whole tree are covered with worms, and the attachment of female insects to the branches looks like snow from a distance. The nymphs suck sap on the leaves, and the excrement is covered with the whole tree, resulting in the weakening of the tree and seriously affecting the green landscape. Through two years of investigation and research, the occurrence regularity of the pest was found out, and a satisfactory control method was found. The worm
2019-01-16 -
Control of wax scale in planting jujube tree
In recent years, jujube tortoise wax scale has spread in various counties of our city, causing serious harm, resulting in the general weakness of jujube trees, obvious reduction of yield, and even extinction. In order to effectively carry out the chemical control of jujube tortoise wax scale, we have carried out chemical control for 4 consecutive years since 1996.
2020-11-08 Species jujube tortoise wax scale control in recent years jujube tortoise wax scale -
How to grow winter jujube planting techniques and matters needing attention
The construction of the garden: the close planting and dwarfing cultivation method is adopted, the winter jujube has higher requirements for light, and the design of the row direction should be north-south. Fertilization: the demand for phosphate fertilizer is high, and the base fertilizer is more important, topdressing about 3 times in the whole year. Pick the heart: pick the heart of the jujube in the early flowering stage, strong or weak according to the growth
2020-11-08 Winter jujube how to plant planting cultivation techniques and matters needing attention -
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 -
Clear the garden, scrape, block holes, prune and spray to control jujube diseases and insect pests in winter
Clear the garden, scrape, block holes, prune and spray to control jujube diseases and insect pests in winter
2018-07-11 -
The latest course of cultivation techniques and methods of winter jujube
Winter jujube is an excellent variety of late ripening fresh food of thornless jujube, also known as Miaoshangfu, Yanlaihong, apple jujube and so on. In recent years, the market is in short supply and has high economic value. To vigorously develop the production of winter jujube, higher economic, ecological and social benefits can be obtained.
2020-11-10 The latest winter jujube cultivation techniques methods tutorials winter jujube is -
How to treat jujube lice?
Jujube lice are tortoise wax scale and scale insects in production. Because the adults form a wax shell, spraying is very difficult to exert its effect, so it can cut off the branches in winter, or spray water on the branches, and knock on the branches to shake off the adults after freezing. The peak of larval occurrence is generally from late June to early July, so there is no wax shell on the insect body, and the larvae have poor resistance to pesticides, which is the best period for control. The use of ordinary pesticides can produce very good results. In this way, a good prevention and control effect can be achieved by persisting for 2-3 years.
2019-01-16 -
Please introduce the control methods of jujube diseases and insect pests in autumn and winter?
Please introduce the control methods of jujube diseases and insect pests in autumn and winter? It is best to have detailed operation methods for the prevention and control of diseases and insect pests of jujube trees in autumn and winter, which can be carried out with reference to the following methods: 1. Clear the garden: jujube rust, green blind stink bug, jujube moth and other diseases and insect pests overwintering in litter or weeds under the tree. Therefore, the jujube tree has lost its leaves.
2018-07-18 -
Management of planting jujube after defoliation
1. Applying fertilizer and water consumes a lot of nutrients in the growth and fruit of jujube for one year, which needs to be replenished in time. After the jujube leaves fall, the soil is fertilized before freezing. If it is not applied a year ago, it should be replenished before sprouting in early spring. Fertilization can be spread or ditched. To spread fertilizer is to put manure in a circle.
2020-11-08 Planting jujube deciduous after management one increase application fertilizer and water -
Planting methods and cultivation techniques of winter jujube
Winter jujube is an excellent variety of late-ripening fresh food of thornless jujube, also known as Miaoshangfu, Yanlaihong, apple jujube and so on. In recent years, the market is in short supply and has high economic value. To vigorously develop the production of winter jujube, higher economic, ecological and social benefits can be obtained.
2018-09-07 -
Where is the suitable place for planting jujube trees? When will it be planted? What kind of medicine do you take when you have a worm?
Jujube is a small deciduous tree, sparse shrub, up to more than 10 meters high; brown or grayish brown bark; flowering from May to July and fruiting from August to September. So where is it suitable for planting? When will it be planted? What kind of medicine do you take when you have a worm? Where is the jujube suitable for planting? Jujube tree is warm
2020-11-09 Small Arbor jujube suitable planted where when -
What are the commonly used pesticides? Deltamethrin, methyl parathion
Parathion, also known as 1605, is a widely effective and highly toxic insecticide. It has strong contact, stomach poison and fumigation effect, and the egg killing effect is better, but there is no internal suction.
2019-02-26 -
Cultivation techniques of Hongdan crisp jujube
Hongdan crisp jujube cultivation technique Hongdan crisp jujube is a variety of Zaozhuang crisp jujube found in 1998 in Songshanwan Village, Xinzhuang Town, Feixian County. The fruit is oval, the weight of single fruit is 16.5 ~ 22.5 grams, the pericarp is thin and crisp, and the white ripening stage is light green.
2018-06-23 -
How to manage planting jujube in summer
First, improve the fruit setting rate (1) remove roots and tillers. Root tillers will consume a lot of nutrients, it is found that root tillers should be planed in time. (2) wiping sprouts and picking hearts. To control the germination of jujube, the new buds with no space in the inner chamber should be erased, leaving only a few jujube hangers. (3) girdling. In bloom
2020-11-08 Planting jujube summer how tube one lift sit high fruit rate -
Occurrence and control of fruit shrinkage disease of jujube
Jujube fruit shrinkage disease, also known as black rot, is a new disease of jujube. When the disease occurs, it has a serious impact on the quality and yield of jujube fruit. First, the symptoms of the disease mainly damage the fruit, causing fruit rot and early fruit drop. At first, the injured fruit appeared a yellowish halo on the shoulder or carcass, gradually enlarged into concave irregular yellowish disease spots, and then the pericarp showed infiltrating water stains, with needle-like round brown spots, yellow and soft flesh, spongy necrosis of the diseased tissue, and dark red exocarp without luster. Diseased fruit
2019-01-16 -
How do scale insects and their species identification come from? Are plant scale insects parasitic and harmful to humans?
The shell insect is a kind of small insect, and it is also one of the pests that many fruit growers and flower friends hate extremely. It mainly harms fruit trees and trees, and is one of the most common pests on flowers. Its reproductive ability and drug resistance are very strong. It is generally difficult to control or eradicate how shell insects come from.
2019-05-05 -
The latest course on the prevention and control of fruit shrinkage disease of winter jujube
Winter jujube is a kind of fruit that everyone likes very much, which is generally listed in October every year, and the fruit shrinkage disease of winter jujube is a common disease when planting winter jujube, which will seriously affect the yield and quality of the fruit. So how to prevent and cure the fruit shrinking disease of winter jujube? With the editor.
2020-11-10 The latest winter jujube fruit shrinkage disease prevention technology methods tutorials -
Control techniques of fruit shrinkage disease of Ziziphus jujuba
Control techniques of fruit shrinkage disease of Ziziphus jujuba
2019-08-01 -
Where is the suitable place for planting jujube trees? When will it be planted? What kind of medicine do you take when you have a worm?
Jujube is a small deciduous tree, sparse shrub, up to more than 10 meters high; brown or grayish brown bark; flowering from May to July and fruiting from August to September. So where is it suitable for planting? When will it be planted? What kind of medicine do you take when you have a worm? Where is the jujube suitable for planting? Warm temperate positive species of jujube. Xi Guang
2019-04-10