Spring fruit tree management and pest control

First, the grape: Before the end of the injury, that is, before the end of February, the winter trim must be completed, and the branches must be completed before the end of March. The new vineyard will be completed in high standards before mid-March. Continue to trim the grape rack, change the rusted wire on the frame, and re-tighten it, which must be completed by the end of March. From late February to early March, the soil should be loosened quickly. After the rain, the soil can be wet. When the soil is moist, 0.5~1 kg of water can be sprayed with water from 200~300 times, soil is changed, roots are promoted, and the soil is replenished. Fertilizer, control the reproduction of harmful bacteria in the soil. Clean up irrigation and drainage ditches, renovate irrigation facilities and spray facilities. Pest control: If the clearing of the garden is not completed in January, the following work must be done in February-March:

1. Remove the litchi, diseased branches, and residual fruits, and bury them deeply or take them out of the garden to destroy them.

2. Remove the old skin (do not peel off the old skin that cannot be peeled off) and take it all out of the garden to destroy it.

3. Eliminate weeds on the roadside to kill the wintering pests in the weeds.

4, after the physical clearing of the park can be 3-5 degrees stone sulfur mixture or 250 times the whole garden disinfection.

2. Peach trees: If the winter pruning is not completed, the pruning shall be completed before March 20, and from mid-February to early March, the peach garden shall be completely cleaned, the tree flow glue shall be removed, and the large wound shall be smeared with cement. Small wounds can be sealed with paraffin. After the cleaning is completed, use the necessary 150 times to infiltrate the exhibition treasure, spray the whole tree body to protect the tree body by sterilization. (Note that the necessary copper preparation must be before the peach tree is green). From late February to mid-March, if the soil compaction in the garden needs to be cultivated, the soil will be wet after the cultivating, and the soil will be sprayed with 0.5-1 kg of organic liquid fertilizer and 200-300 times of water.

When the top of the peach bud is a little red, it should be sprayed into the standard 250 times or 3 ° stone sulfur mixture to prevent and cure the leaf disease. Ai Mei Le 6000-10000 times plus infiltration of the treasure to control aphids and scale insects, pay attention to medication should be careful and thoughtful.

The newly built Taoyuan must complete the laying of the planting ditch and the bottoming of the soil, the decomposed organic fertilizer and the crude fertilizer in the planting pond one week before the planting in mid-March, and water the soil to sink the soil to facilitate high-standard cultivation.

In addition, in order to save the consumption of nutrients in the peach tree, the flower buds are swollen before the peach tree blooms, and the flowering of the peach trees can be carried out. Roadside weeds should also be removed.

Third, pear tree: basic field management reference "peach tree management"

For the variety of translocation fruit or the result of entering the year, trees with more flowers and fruits should be cut off before the end of February to increase the amount of leaves and flowers to reduce the amount of flowering. The saplings should be done before the buds are budded. Adult orchards should remove the old stalks, worm branches and residual fruits of the trunks and take them out of the garden for destruction. After cleaning, the glue can be used in a timely manner with 150 times of infiltration and sterilization. When the pear dew is protected, it can be used to form a standard 250 times plus Ai Mei Le 10000 times and the badaman 1000 times to prevent various pests and diseases and beetles and pear hibiscus.

4. Management of flowers and trees and prevention and control of pests and diseases:

1. Apply good spring fertilizer and prepare for the seedlings.

2, do a good job in the development of seedlings and seasons, nursery with potassium permanganate for soil disinfection.

3, part of the evergreen ball, the greenhouse seedlings have rotten roots (blight, dry disease, ring rot) can be controlled with 70% root rot, usually a bag of 25 grams of water plus 15-20 kg water spray In the onset of the disease, root can also be used for prevention and control, and it can also be controlled by imidacloprid. Suction and osmosis.

4. Make up the pruning and pruning work of some older trees. Cut off the litchi, diseased branches, dead branches, weak branches, and bring out the nursery to destroy.

5. Use Ai Mei Le 6000-10000 times plus infiltration to prevent aphids and scale insects.
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