Apple's flower management catches six points

The method of reasonable sparse flowering of apple is: in the inflorescence separation period before the apple flower is not open, according to the strength of the tree, the characteristics of the varieties, first leave an inflorescence at an interval of 20-25 cm. When implementing sparse flowering, special attention should be given to the quality and location of the flowers left. The middle and short fruit branch flowers should be selected as far as possible; the long fruit branch flowers and the flower buds of the buds should have less quality and should be kept as little as possible or not; the flowers on the lateral fruit branches should be drowned after the fruits are set up. The fruits are generally not easy to rub against the shoots and cause rust, and the effect of gravity on the earth is that the fruit is high in piles, shape, and the rate of good fruit is high. It is as far as possible to retain the leaves; while the fruit on the back stands upright, the fruits are numerous and easy to grow. The branches and branches are rubbed against each other. Such fruits have rust spots and are not smooth. The shape of fruit is also affected by gravity and is often skewed. The rate of good fruit is low and should be kept as little as possible.

If the climate of fruit trees is unstable during the flowering period or frost weather occurs, the time for flowering and fruit thinning should be postponed; the flowering climate is stable and the sparse flowering should be carried out as soon as possible.

During flowering period (ie, 50% flower opening), full-tree spray 0.3% borax + 1% honey water + 4% agricultural anti-120 (water agent) 1000 ~ 1200 times spray, can promote pollen tube germination, growth, lure Bees, improve the rate of fruit set, prevent fungal disease and prevent other diseases.

During the flowering period, the twigs of Wanghua, Fuzhi, Dazhi and the branches to be removed in the future will be circumcised at an average of 15 to 20 centimeters. 0.5 cm. After girdling, it is wrapped in paper to control the growth and promote the formation of flower buds.

In April, the temperature of frozen flowers kept warm and unstable, and frost often occurred. If there is frost on the weather forecast, measures should be taken actively to prevent frost damage. If frost hazards occur, fruit growers can spray fulvic acid foliar fertilizer on the same day to alleviate the hazard of frost.

Full pollination and fertilization ensure that apple trees are fully pollinated and fertilized. In addition to ensuring the configuration of pollination trees, spraying boron and hormones during flowering, current fruit trees such as apples, pears, peaches, apricots, plums, and cherries also promote wall pollination techniques.

Wall bees 1 year old, natural survival, strong reproduction, no need to feed. There are more than 300 days a year in the nest, and only live in pollination activities outside the nest for more than 40 days, thus avoiding the contradiction between wall pollination and fruit tree fight. Wall bee early spring activity, low temperature resistance, high reproduction rate, small range of activities (usual wall bee activities within 60 meters), mainly to collect pollen-based, fast flower access, good pollination effect. Its management is simple, as long as the nest tube and nest box production, the wall bee timely into the orchard, the next thing all by the wall bees themselves. The use of wall bee pollination has the advantages of low cost and small investment. Usually, 150 to 300 bees per acre orchard can effectively complete fruit tree pollination.

Timely cleaning up of bugs and fruits In order to keep pests and fruits out of the trees, they should be cleared in time because the long-term retention of these fruits on the trees will consume tree nutrients and increase the frequency of drug fights.

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