When kiwifruit is planted in winter, we must do a good job in garden management to lay a solid foundation for next year's harvest.

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Everyone knows that kiwifruit is called "the king of fruit".

Small, pigeon-egg-shaped, slightly longer in shape, light brown, hairy all over, peeled off, with green flesh, soft waxy and soft, sweet in mouth, full of saliva, moistening lung and clearing spleen, which is very suitable for eating when "Yang Yang" breaks out.

The origin of kiwifruit is China. According to records, our ancestors began to plant kiwifruit more than 3000 years ago, and kiwifruit has long been successful at sea. However, because China has a large population and a large demand for kiwifruit, although we are the country of origin, we are not the largest exporter. New Zealand is the country that exports the most kiwifruit in the world.

With the development of kiwifruit planting technology, there are more and more kiwifruit varieties, such as Actinidia arguta, Actinidia arguta and Actinidia chinensis.

Fruit shapes are also varied, including peaches, pears, eggs, grapes and so on. The flesh is green, golden yellow and pink, and the fruit tastes sour and sweet.

In winter, as the temperature gradually drops, kiwi fruit tree also enters a dormant period.

This is a good time to clean the garden, prune, prevent pests and diseases, freeze injury, etc. At this time, good garden management can lay a good foundation for high quality and high yield in the coming year.

Qingyuan

After picking kiwifruit, it is necessary to thoroughly remove the diseased branches, fallen leaves, rotten fruits, hay, fruit bags and other impurities in the garden, scrape off the rough skin, concentrate and burn or bury it deeply, and combine with soil tillage to eliminate the propagation of overwintering pests and diseases in the garden.

Winter pruning

Pruning kiwifruit after defoliation in winter is a key measure to ensure high and stable yield and improve fruit quality in the following year. By pruning in winter, the tree length will be in a reasonable shape, maintain vigorous growth and produce the best fruit.

1, pruning time

Pruning in winter is carried out before the downward transport of nutrients has not been completed and the upward transport has not started, which will cause the loss of nutrients in trees too early or too late.

Generally, it should be carried out in the dormant period from late February to late October of the following year 10.

2. Pruning method

Pruning principle: Pruning changes the traditional short-cut method, giving priority to long-tip pruning, and adopting the pruning principle of leaving fewer branches and more buds, and lightly cutting and long-putting.

Selection of mother branch: try to choose branches close to the main vine, and choose robust and fully developed development branches and fruiting branches as the fruiting mother branches in the next year, instead of long branches.

Amount of branches left: the amount of branches left per plant should be determined according to the age, potential, spacing, soil and fertilizer conditions and management level of the tree. Generally, 1.5-2 fruiting mother branches are selected per square meter, 18-20 fruiting mother branches are selected per tree, and 15- 18 buds are cut from each branch.

Cultivation preparation branch: if no fruiting branch is left, if the planting position is close to the main vine, 2-3 buds will be cut off for the next year's cultivation renewal branch, and all other branches will be thinned out, and at the same time, the pest branches and weak branches will be cut off.

3. Branching therapy

After pruning in winter, the branches, fallen leaves and weeds cut in the orchard should be removed, burned centrally or buried deeply. You can also dig a deep pit for fertilization and then recycle it as organic fertilizer to the orchard.

After cleaning up the orchard, non-toxic mixture of stone and sulfur should also be sprayed.

4. Protection after cutting

If the winter cutting time is reasonable, most incisions can be healed and air-dried, but sawing and some larger incisions can't. Therefore, after cutting, the big incision should be coated with some sealing drugs, such as artificial bark, sealing oil, platinum, paint and so on.

Anti-freezing measures in winter

1, painted white suitcase

The function of painting the trunk is to avoid sunburn, and the other is to avoid freezing damage caused by low temperature.

In addition, painting the trunk white can also delay the germination time and flowering time of fruit trees as much as possible, thus reducing the harm caused by late frost.

Whitening the trunk can also control pests and diseases on the trunk.

When painting, the position should be concentrated on the root of the trunk as far as possible, and the height should be controlled at around1m. The order of painting is suggested from top to bottom.

2, pouring antifreeze

Pouring antifreeze before winter can improve soil moisture, which is beneficial to kiwi fruit tree's wintering.

The specific time to pour antifreeze water is that the best watering time is when the water poured at night can thaw and it can melt in the morning.

3. Bury in the cold

For 1-3-year-old seedlings, before freezing, the stems of seedlings can be gradually bent and covered with soil, and the thickness should exceed 10 cm, and the soil should be removed in time after winter.

This can not only prevent freezing injury but also prevent livestock from eating bark.

For small trees, they can be wrapped to keep out the cold. Trunk is usually bound with straw and corn stalk, which can reduce the water loss of trunk and keep warm.

4. Clear the snow in time

After the snowfall, clear the trees in time to avoid the buds from freezing.

You can't tie the vines too early, because after the vines are tied flat, it is easy to snow on the branches in snowy days, which is easy to cause freezing damage.

Generally, after the sap begins to flow out in the middle and late February, tie the vines.

Summary: The above are the winter field management measures in kiwi fruit tree. We must clear the garden in time, do a good job of pruning and keeping warm in winter, so that kiwifruit can spend the winter safely and lay a solid foundation for next year's harvest.