Amphisarca Lists
-
How to prune apple trees in the New year
How to prune apple trees in the New year? Please give guidance on the pruning principles of Chinese New year trees. On the premise of ensuring the yield of the same year, properly control the retention of flowers and fruits, reduce consumption, increase accumulation, and promote flower bud formation. The concrete method is: 1, the big year tree flower bud is many, in order to reduce the flower bud and improve the ventilation and light transmission condition, sparse or retract.
2018-09-10 -
How to plant young apple trees and give birth prematurely
How to plant young apple trees and give birth prematurely? Please give guidance so that young grass and fruit trees can refer to the following planting methods: 1 management techniques young trees are trees that have not entered or have just entered the fruiting stage, the age of which is 1 to 4 years old, and the key points of management and protection during this period: first, fast-growing trees; second, shaping and cultivating high-yielding skeletons that can be loaded.
2018-09-10 -
How to prune the prosperous apple tree
How to trim the apple tree? Please introduce the method: Apple prosperous trees are mostly young trees to the early fruit stage, in order to ease the tree potential, promote flowers and protect fruit, pruning should be done: 1, open backbone branch angle. Brace, pull, press and other methods are used to open the angle of backbone branches, and multi-saws can be used for perennial and vigorous backbone branches.
2018-09-10 -
How to fertilize and pull branches for apple trees
How to fertilize and branch apple trees? Please introduce in detail 1. Apple tree fertilization (1) from the outer edge of the crown, dig an annular ditch 30 cm wide and 40 cm deep (young trees) in the ground. Big trees should dig an annular ditch 50 cm wide and 60 cm deep. (2) the square of Shungou can be used in adult orchards.
2018-09-10 -
How to plant apple trees?
How to plant apple trees? Please give guidance on apple tree planting methods can refer to the following methods: 1. seedling cultivation techniques; new rootstocks and new varieties are all used in new orchards. It is recommended that apple seedlings use wild sweet tea rootstocks unique to the rootstock Yimeng Mountain.
2018-09-10 -
What should I pay attention to when cutting apple trees in winter?
What should I pay attention to when cutting apple trees in winter? Please instruct the apple trees to pay attention to the following points in winter pruning: ① look at the tree age: young trees and early fruit trees should be trimmed less, the degree of pruning should be light, pay attention to the cultivation of tree type and fruiting branch group; trees should be properly re-pruned in full fruit period, pay attention to rotation fruiting branch group; heavy pruning of senescent trees, renew fruiting branch group. ...
2018-09-10 -
How to prune apple trees in summer
How to prune apple trees in summer? Please guide the summer pruning of apple trees, also known as growing period pruning. Pruning during the growing period will cut off leafy branches, which has a greater impact on the growth of fruit trees, so it should be as light as possible. In addition, summer pruning is an auxiliary work of winter pruning.
2018-09-10 -
What medicine should be given before crisp pears blossom?
What medicine should be given before crisp pears blossom? Please introduce in detail how to spray 5 Bomedo stone sulfur mixture before spring germination to eradicate overwintering diseases and pests. For trees infected with rot and black shank, smear the original solution of 843 rehabilitation agent after scraping the disease spot. For leaf pests such as pear aphid, pear planthopper and aphid weevil, they can be sprayed at a speed of 20% after germination to falling flowers.
2018-09-10 -
How to prune the fruiting period of Yali pear?
How to prune the fruiting period of Yali pear? Please give guidance on the fruiting period of Yali pear tree. Please refer to the following methods for pruning: 1. The purpose of pruning is to keep the tree strong, adjust the light distribution, make the tree ventilated and transparent, and the branches can see light. Constantly renew the branch group to keep the branch group strong and longevous. Overcome the results of the year and make sure that the company.
2018-09-10 -
How to plant pear trees?
How to plant pear trees? Please introduce in detail that the pear tree has strong adaptability to the natural environment, strong resistance to waterlogging and stress, and can be planted in mountainous and flat land. Pollination trees are needed when planting. For example, yellow flowers match the new century or Hangqing. 1. Pear trees are generally planted from late November to January next year, and should not exceed early spring at the latest.
2018-09-10 -
How to fertilize and water pear trees?
How to fertilize and water pear trees? Please introduce the following methods for fertilizing and watering pear trees: first, fertilization technology 1, fertilizer application amount. Generally speaking, the production of 100 kg pear fruit requires 0.47 kg of pure nitrogen, 0.23 kg of pure phosphorus and 0.48 kg of pure potassium. The ratio of nitrogen, phosphorus and potassium is 1, 0.5 and 1, such as 2 per mu.
2018-09-10 -
How should pear tree planting be managed in spring?
How should pear tree planting be managed in spring? Please give guidance pear planting spring can refer to the following methods for management: First, strengthen fertilizer management 1, apply good bud fertilizer: after the Spring Festival, adult pear trees, each tree special fertilizer 1.5 kg, 2003 along the mountain ecological construction planting young trees each tree supplement fertilizer.
2018-09-10 -
What are the main diseases and insect pests in pear planting?
What are the main diseases and insect pests in pear planting? Please introduce the following common diseases and insect pests in ticket planting: first, pear tree rot mainly harms the bark of main branches and side branches, causing rot. There are two kinds of symptoms: ulcerative type and withered type, and in severe cases, a large number of withered branches appear until death. When preventing and controlling, it is necessary to strengthen orchard management and control fruit setting.
2018-09-10 -
How to manage pear trees after picking
How to manage pear trees after picking? Please introduce the management of pear trees after picking can refer to the following methods: first, after fruit picking, all kinds of weeds and litter in the garden must be removed in time, and the shade branches inside the crown must be cut off. disease and insect branches, weak branches, dry and withered branches, overlap outside the crown.
2018-09-10 -
What diseases and insect pests should be prevented when planting pear trees?
What diseases and insect pests should be prevented when planting pear trees? Please introduce the main diseases and insect pests in pear planting: the disease is usually sprayed with fungicide 7 days after anthesis and sprayed again at intervals of 15 days. After 6 months, the protective agent was sprayed on a sunny day for 3 times with an interval of 15 to 20 days. Fungicides can be sprayed on trees during the rainy season. ① scab: more than 75% bacteria.
2018-09-10 -
How to prevent pear blackheart disease?
How to prevent pear blackheart disease? Black heart disease is a physiological disease that occurs during storage of pear. Pear can be infected after 30-50 days of storage in cold storage at 0℃. Brown patches can be found on the outer skin of the fruit core at the initial stage of the disease, gradually extending to the whole fruit core, and brown patches with unclear boundaries can also be found in the flesh part when it is severe.
2018-09-10 -
How to control Chilo suppressalis and termites in pineapple
How to control Chilo suppressalis and termites in pineapple? Please give some advice on the prevention and control of pineapple borer and termites: when rice straw or wheat straw is used as cover material for pineapple orchard, it is often harmful to pineapple borer, bite the heart leaves and young stems of pineapple, and spray 500-800 times dimethoate to control it. Termites approach.
2018-09-10 -
What diseases and insect pests do pineapples have to prevent?
What diseases and insect pests do pineapples have to prevent? Please introduce the prevention and control of the following diseases and insect pests in the process of pineapple planting: after the onset of wilt disease, the leaves become soft and drooping, the leaves are light green to red, the base rot, and finally the whole plant dies. The disease is caused by pink scale insects. Prevention and treatment: first of all, pay strict attention to not getting sick.
2018-09-10 -
How to grow high quality Yali pear?
How to grow high quality Yali pear? Please give guidance if you want to grow high-quality Yali pear, you can refer to the following planting methods: first, apply base fertilizer early, increase phosphorus fertilizer, control nitrogen fertilizer, and ensure that Sanshui (1) apply base fertilizer early: in the past, the time of applying base fertilizer should be advanced to autumn fruit harvest (September-10.
2018-09-10 -
What should I pay attention to when bagging Yali pears?
What should I pay attention to when bagging Yali pears? Please help to introduce Yali pear bagging should pay attention to the following five points: (1) appropriate retention of fruit. Generally, 20 leaves are needed for each fruit to provide nutrition. (2) bagging immediately after fruit thinning in mid-late May in general northern fruit areas, and should be completed before the first ten days of June. (3) be careful before bagging.
2018-09-10