Key points of pear management after cold dew

Cold dew is the seventeenth solar term in the twenty-four solar terms of the lunar calendar, belonging to the fifth solar term in autumn, indicating the formal end of the autumn season! At the same time, the management of pear trees has entered a new stage. Fruit cultivation and pollination remind Pear Farmers to manage pear trees well after the cold dew.
First, early application of basal fertilizer in autumn.
The shoot growth and fruit development of pear consume a large amount of nutrients, and the early application of basal fertilizer should be made from mid-late September to early October, the earlier the better, so as to promote the recovery of tree vigor as soon as possible. Base fertilizer can be used mature sheep manure, chicken manure, pig manure and other organic fertilizers, pear orchard in full fruit period according to the "Jinguo Jin Fertilizer" standard, adding 40 kg 15:5:10 compound fertilizer per mu, fertilization depth of 20-30 cm is appropriate. Fertilization was carried out by means of rotary furrow and then irrigated in a timely manner after fertilization.
Two. Harvest fruit in batches.
According to the characteristics of pear varieties, market time, transportation distance and conditions, storage time and other factors, the pear growers should choose the appropriate maturity and timely harvest. Fruit quality and commodity fruit rate can be improved by picking in stages and batches. Therefore, fruit farmers should first pick the lower and peripheral fruits of the canopy, then the upper and inner fruits of the canopy, and harvest them 2 to 3 times, and then harvest them again every 5 days or so.
Three, pruning and pest control
Autumn pruning can reduce the ineffective consumption of tree nutrients, promote the accumulation of tree nutrients, and also improve the ventilation and light transmission conditions, improve the quality of fruit.
The main diseases of pear orchard in autumn are powdery mildew, black spot and black spot of pear. The insect pests include pear louse, red spider, pear carnivorous insect and green leafhopper. To control these diseases and insect pests, fruit growers can spray avermectin plus Ningnanmycin 20 days before harvest.
Fruit pollination, professional fruit pollination pollen manufacturers, the main products: pear pollen, apple pollen, peach pollen, apricot pollen, more questions can be consulted tel: 15588156707

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