tree leaf roll Learn more about tree leaf roll
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New technology for prevention and control of apple leaf roll moth
The new technology for preventing and controlling the small apple leaf roll moth entered August, and the tower-shaped green peach is in the new shoot growth period. On the tower-shaped peach in the green belt of Pingyuan county, 30% of the new shoots of peach trees are damaged by apple leaf roll moth (figure 1). The small apple leaf moth.
2018-06-07 -
The cause and control method of plum blossom leaf roll disease?
The causes and control methods of plum blossom leaf roll disease, the so-called leaf roll disease, refers to the plum blossom in the state of lack of water, the leaves on both sides of the front to the middle of the roll, showing a listless wilting state, is a physiological disease. Leaf roll disease not only affects the beauty of plum plants, but also leads to leaf shedding in severe cases.
2019-03-06 -
What kind of medicine is used to roll the leaves of plum trees
The rolled leaves of plum trees can be sprayed with dichlorvos emulsion or dimethoate emulsion, and can also be sprayed with dicofol or nisolan, mijing + aphid lice or cypermethrin and cypermethrin 1000-1500 times. Causes of leaf curling and control methods of plum trees:
2020-11-09 Plum tree leaf roll with what medicine plum available -
Treatment of rolling leaves of cherry trees
Water shortage: Cherry trees roll their leaves due to hot weather and lack of water, which can be alleviated by watering and proper shading. Aphids: if caused by aphids, imidacloprid and other pesticides need to be sprayed. Lack of nutrition: if potassium is deficient, potassium dihydrogen phosphate can be sprayed, or
2020-11-08 Sakura peach tree curly leaf treatment abstract lack of water cherry -
What medicine is used to roll the leaves of fruit trees?
In the process of planting fruit trees, there is often leaf curling, if long-term leaf curling, may affect the normal growth of fruit trees, thus affecting the quality of fruit, then what medicine is used for leaf curling? In fact, there are many factors affecting the leaf curling of fruit trees, which should be based on
2020-11-09 Fruit trees curly leaves with what medicine fruit trees in planting -
Control methods of leaf roll moth
Control methods of leaf roll moth
2018-08-09 -
The reason for the curling of the latest pomegranate leaves
If the leaves of the planted pomegranate curl during the growth process, there are actually a variety of reasons. To judge according to the situation at that time, it may be the impact of the weather, but also the impact of other mismanagement. In fact, there will also be the situation of rolling leaves like this.
2020-11-10 Latest pomegranate leaf curl reason planting -
The culture method of the latest spider silk roll silk
Spider silk curly silk is a succulent plant of the genus crassulaceae, which is characterized by natural villi adhering to leaf tips. The individual differences of varieties and plants are great, and the diameter and density of villi of each tree are different. It is easy to cross naturally with other varieties of evergreen grass.
2020-11-10 The latest spider silk roll silk of breeding method is -
The rich tree rolls the leaf gardenia to turn yellow, do not ignore, beware of big problem!
The most distressing thing about summer is that as the weather gets hotter and hotter, the flowers at home have grown and become crippled. The gardenia turns yellow, the succulent plant grows, and the rich tree rolls. Today Huahua will teach everyone how to put the crippled flowers back!
2018-08-06 -
Spodoptera litura
Spruce yellow roll moth [Archipsoporanus (Linnaeus)], alias pine bud leaf roll moth, pine thick leaf roll moth, belongs to the family Lepidoptera. It is distributed in Heilongjiang, Liaoning, Central and South China, and can harm Pinus elliottii, loblolly pine, Masson pine, Korean pine, spruce and juniper. The damage characteristics of larvae eat axillary buds, flower buds and male flowers, eat needles, affecting tree growth and seed yield. The morphological characteristics of the adult are 10-12mm in length and 22-30mm in wingspan. Male moth
2019-01-16 -
The reason for the curl of pomegranate leaves
The reason for the curl of pomegranate leaves
2019-08-29 -
The culture method of tarantula silk roll silk
The culture method of tarantula silk roll silk
2018-07-06 -
The rich tree burns a "wave roll". If you don't care, you won't be far from death!
Recently, the temperature has risen, and all the flowers in the family are sprouting. Some flower friends say that their rich trees have new leaves, but why are they all curled? It's like scalding a wave roll! When the leaves are curled and yellowed, what should flower friends do?
2018-03-23 -
Identification and control of main diseases and insect pests in plum blossom
According to preliminary statistics, there are more than 170 kinds of diseases and insect pests in plum blossoms, including more than 30 kinds of diseases and 140 kinds of insect pests. Plum blossom, with dignified plant shape, vigorous dry branches, lush leaves, beautiful flowers, rich color and delicate fragrance, is one of the most popular traditional famous flowers in the Chinese people.
2019-04-19 -
Beware | the rich tree burns a wave roll, or it won't be far from death.
Flower cultivation Daquan & nbsp; Subscription account Click to follow, Hua Hua teaches you to grow flowers! Recently, the temperature has risen, and all the flowers in the family are sprouting. Some flower friends say that their rich trees have new leaves, but why are they all curled? Just like.
2018-04-24 -
The money tree keeps its leaves thick and bright and its wealth is rolling in.
The tree of money means to attract wealth, prosperity and wealth. There is a kind of vigorous vitality, lush vitality. The thicker, bigger and greener the leaves are, the better their fortunes are. So how to raise the money tree in the family? How to maintain the money tree? (1).
2018-05-13 -
Raise the money tree well. Money rolls in and soaks in the water. The water never turns yellow. The leaves never rot.
Money tree, also known as snow iron taro, is a rare underground tuber plants. For perennial long green herbs. Evergreen plants all year round, strong thick Cui, full of vitality. When placed indoors, it has the effect of purifying the air. Money...
2018-05-08 -
Control of pear aphid diseases and insect pests
Pear aphid, also known as pear aphid, pear leaf aphid, commonly known as greasy insect. It occurs in pear areas all over the country, and it is one of the main insects of pear trees. When the damage is serious, it will cause early defoliation and affect the yield and flower bud differentiation in the same year. This insect belongs to Homoptera, Aphididae. 1. Harmful symptoms: adults, nymphs gather buds, leaves and tender shoots.
2018-09-15 -
How do persimmons cross? why do persimmon seedlings roll up leaves?
Persimmon contains very rich nutrients, such as persimmon actually contains pectin, vitamin c, carotene, iodine and so on. Basically everyone can eat persimmons, especially people with constipation or high blood pressure are very suitable for eating persimmons. Now
2020-11-08 Persimmon how cross seedling roll leaf how to return a responsibility persimmon contain -
Occurrence and control of jujube armyworm
Jujube armyworm, also known as jujube sickle wing small roll moth, commonly known as leaf stick insect, jujube is one of the important pests. To larvae silk roll leaves harm, the leaves were vertical roll dumplings, or silk several leaves tied together. Larvae also eat stick leaf fruit, greatly affect the yield. 1. Occurrence Regularity This insect has 3 generations a year and overwinters as pupae in thick skin slits of branches. Adult day out night, phototaxis is very strong, after emergence 1 to 2 days to lay eggs, eggs scattered in smooth twigs and jujube strands,. Egg stage 10 to 25 days, first generation larvae occur
2019-01-16