Amphisarca Lists
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Fruit planting: technical measures to promote flower and protect fruit of pomelo
First, in order to promote the early flowering of fruit trees, we must control the vegetative growth of the tree potential, turn the growth center to reproductive growth, and promote flower bud differentiation in the year before fruiting: 1, control the vigorous growth of vertical roots and cultivate a large number of lateral and parallel roots to promote flower bud differentiation; 2, support, pull, drop, and increase branches.
2018-09-14 -
Grafting technique of young fruit of Shatian pomelo
When Shatian pomelo trees enter the fruiting stage, some orchards blossom and bear more, some orchards blossom and bear less, some trees blossom and bear more, and some trees blossom and bear less in the same orchard. In order to change this unbalanced phenomenon, ease the overflourishing growth of the first fruit tree, and promote flower bud differentiation and lifting.
2018-09-14 -
High quality and efficient fertilization management technology of Shatian pomelo
Shatian pomelo is a kind of fruit which plays an important role in fruit production in Xingning City. at present, the planting area has reached more than 30,000 mu and the total output has reached more than 30,000 tons. A considerable number of farmers have embarked on the road of getting rich by growing pomelo. Fruit growers in Xingning City continue to experiment and summarize in the long-term practice of planting Shatian pomelo and explore ways to improve Shatian pomelo fruit.
2018-09-14 -
How to plant grapefruit trees reasonably
Rational fertilization pomelo trees need certain nutrients to grow, blossom and bear fruit normally, and the mineral nutrients from the soil are the raw materials for pomelo trees. Mineral nutrition can also promote root growth and absorption. Increasing the mineral nutrition of soil is an important way to improve the yield and quality of pomelo. (1) what pomelo needs.
2018-09-14 -
Technical measures for flower and fruit protection of litchi
1. Strong flowers protect flowers. The main results are as follows: (1) applying strong flower fertilizer in time. Strong flower fertilizer is generally applied when the flower ear is drawn out to see the flower bud (also known as fertilization to see the flower). The amount of fertilizer application depends on the amount of flowers and tree potential. Generally, for every 50 kg tree surface, 1 kg of compound fertilizer plus 0.2 kg of urea, or 0 kg of urea, calcium superphosphate and potassium chloride are applied.
2018-09-13 -
Technical measures for flower and fruit protection of litchi
1. Strong flowers and flower protection. (1) Timely application of strong flower fertilizer. Strong flower fertilizer is generally applied when flower buds are seen (also known as flower fertilization). Fertilization depends on the amount of flowers and tree vigor, generally 50 kg per fruit tree surface, apply 1 kg compound fertilizer plus urea 0.2~0.5 kg, or urea, calcium superphosphate, potassium chloride each 0...
2018-09-13 -
Litchi should apply flower-promoting fertilizer before and after "Lesser Cold"
(1) increase the application of organic fertilizer to avoid excessive use of chemical fertilizer. According to the fruit yield of 50 kg trees, each plant applied 0.5 kg of calcium superphosphate, 1 kg of potassium sulfate and 10-15 kg of fully retting organic fertilizer, which was applied after flowering, and then manure fertilizer was applied 35 days and 50 days after flowering respectively. (2) timely and moderate irrigation.
2018-09-13 -
There is a good way to control litchi fruit borer.
There are several kinds of litchi fruit borer pests, such as litchi special-shaped small roll moth, litchi gray moth, Spodoptera litchi and litchi stem borer, etc. The damage of litchi begins to occur at the beginning of flowering every year, and the damage is the most serious from the end of April to the beginning of June. The larvae first bite through the shell of the young fruit, then eat into the fruit and feed on the core, resulting in a large number of fruit drop, resulting in reduced yield and fruit quality.
2018-09-13 -
Key points of litchi management in spring
1. Completely clean the garden. First, cut down the over-dense weeds and bushes around the orchard and clear them out of the orchard; secondly, cut off the over-dense branches and pest branches inside and outside the tree hall and clear them out of the orchard; thirdly, spray 600 times solution of trichlorfon +600 times solution of Yunsheng once throughout the orchard to eliminate overwintering eggs and germs. There is no way to get rid of it.
2018-09-13 -
Late-blooming litchi trees should be fertilized.
Litchi trees that have not yet germinated flower buds and produced flower ears after the Beginning of Spring should be drenched with 600-800 times amino acid active liquid fertilizer solution or 800-1000 times humic acid active liquid fertilizer solution once. For more than 5-year-old trees, each tree is drenched with 80 kilograms and 100 kilograms, and can be evenly applied on the topsoil under the crown. At the same time, foliar spraying.
2018-09-13 -
Major diseases and insect pests of litchi in March
1. Downy mildew: also called downy mildew blight. It mainly harms fruits and infects flower spikes and tender leaves. The damage to the fruit began from the pedicel, irregular disease spots occurred on the surface of the pericarp, and gradually expanded, resulting in the blackening of the whole fruit, pulp decay, the smell of sour wine, and white frost outside the diseased fruit, causing fruit drop. ...
2018-09-13 -
Control of banana acid rot
It is an occasional disease during storage and transportation, which is often accompanied by fruit freezing injury or CO2 poisoning during storage. Symptoms of diseased banana sour, pulp softening, rotten water, the emergence of a layer of white coarse powder, diseased banana juice flow to good fruit, continue to cause the disease. Pathogen and occurrence regularity pathogen is Geotrichumcandidum...
2018-09-13 -
Management measures of Litchi in Spring
The climate is generally dry in China, which can promote the nutrition accumulation and flower bud differentiation of litchi and longan. At present, it is spring, and the management of litchi in this season is related to the key link of the growth and development of that year. According to the current growth and development of litchi and longan, the following suggestions on spring tube technology are put forward. Litchi is made up of.
2018-09-13 -
Symptoms and control techniques of litchi stem borer
Litchi fruit borer is the main pest of longan and litchi. The young shoot, flower ear and fruit were damaged by larva decay, the fruit fell seriously in the young fruit stage, was damaged in the mature stage, the fruit stem was full of insect dung, affected the quality, the tender shoot and flower ear were damaged, the apex withered, affected the growth of new shoots and blossomed and fruited in the following year. The insect occurred in southern Fujian.
2018-09-13 -
Control techniques of pedicle borer in litchi
Litchi fruit borer is the main pest of longan and litchi. The young shoot, flower ear and fruit were damaged by larva decay, the fruit fell seriously in the young fruit stage, was damaged in the mature stage, the fruit stem was full of insect dung, affected the quality, the tender shoot and flower ear were damaged, the apex withered, affected the growth of new shoots and blossomed and fruited in the following year. The insect occurred in southern Fujian.
2018-09-13 -
There are new ways to remedy the frost of litchi.
In winter, the temperature is low, the precipitation is less, and the low temperature frost and freezing weather occur frequently. As a result, most of the litchi were damaged by frost in varying degrees, and the top leaves were damaged and withered. Therefore, we must do a good job of frost prevention in time, and the specific measures are as follows: before the frost comes, the whole garden should be sprayed with new high-fat film to keep warm and prevent frost.
2018-09-13 -
Cultivation and Management techniques of Litchi
Litchi anthracnose is an important disease of litchi. To harm young leaves, flowers and fruits. It caused a large number of rotten fruit and fruit drop in the mature period of litchi. [symptoms] Leaf damage often begins at the tip of the leaf, initially producing round or irregular, light brown spots, and then rapidly expanding into dark brown spots, the edge is not clear. In.。
2018-09-13 -
How to control dodder on litchi and longan
Dodder has no roots and no leaves, but it has a zigzag sucker (or sucking roots) on the stem. It absorbs nutrients by sucking roots deep into the bark, affecting the growth of fruit seedlings and causing seedlings to die in serious days. It is more common in mountain mature litchi orchard that dodder can blossom and bear seeds, the flowers are small white, and the fruit will fall off after ripening.
2018-09-13 -
How to protect the Fruit of Litchi Longan Mango
At present, most of litchi and longan in Guangdong Province are in the flower bud stage. Affected by the weather with high temperature and suitable humidity since the beginning of spring, litchi and longan blossoms early, diseases and insect pests occur early and the source of diseases and insect pests is relatively high after winter. it is expected that the occurrence of main diseases and insect pests in litchi and longan flowering stage is moderate and partial heavy. Litchi Toona sinensis
2018-09-13 -
Common diseases of Hawthorn and its control
Common diseases of Hawthorn and its control
2018-09-13