<h1>01 Aphids
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Aphids are one of the most common pests on peach trees, multi-cluster new shoots young leaves back hazard, the affected leaves curl to the back and excrete mucus, pollution of branches, severe foliar soot disease, and inhibit the growth of new shoots, causing falling flowers, leaves, and then affecting yield and quality.
There are many types of peach aphids, of which peach aphids, peach powdery aphids and peach tumor aphids are the mainstays, which occur for 10 or even more than 20 generations a year, often overwintering at small branches, armpit buds and cracks. When the peach tree sprouts the following year, the eggs begin to hatch.
In addition to doing a good job in the work of clearing the garden, the prevention and control of peach buds should also be combined with chemical control during the germination period and before and after the flowering period, and effective agents include imidacloprid, acetamidine, flufenacilamide, ethyl spironium and so on.
<h1>02 Leafhopper
Leafhoppers have more hosts, with adults and nymphs sucking sap on the leaves, and the affected leaves have greenish white spots, and in severe cases, the whole leaf leaves are pale and fall early.
Leafhoppers on peach trees mainly have a little leafhopper, small green leafhopper, large green leafhopper, etc., and adult leafhoppers after wintering will move into Taoyuan around June, and the peak occurs from August to October.
The key period of drug control is the migration of adult overwintering insects in June, the incubation of the first generation of nymphs in late July, and the blooming period of the second generation of nymphs in mid-August, and the compound preparations of pyrethroids and nicotinic agents such as high chlorine + thiamethoxine can be selected.
<h1>03 Pest mites
Hawthorn red spider
Diplodocus vulgaris
The pest mites on the peach trees include hawthorn red spider, dichophyllum mite, apple red spider, alfalfa red spider, etc., the former occurs the most severely, occurring for many generations a year.
When the buds of the peach tree expand, they begin to sting, and as the peach tree blossoms and spreads its leaves, it grows on the tree and sucks the sap of the leaves.
The damaged leaves initially appeared small spots of green loss, and then expanded into pieces, making the leaves yellow and scorched, resulting in early leaf defoliation, which not only affected the tree posture and yield of the year, but also had a great impact on the formation of flower buds and the yield of the following year.
The key period of drug prevention and control is in the peak period of stinging, after flowering and before and after wheat harvest, you can choose thiormazone, avermectin, tetrazole acarbonitrile, Avipyridine and so on.
<h1>04 Leafminer moth
The peach leafminer moth infests the larvae that sneak into the leaves, moths the flesh of the leaves, the leaves are curved worms, and the insect droppings are discharged in the worm passages. In severe cases, the epidermis of the leaves is dried up, the leaves are broken, and they fall off early.
Overwintering adults emerge from early March to late April, lay eggs from late April to early May, emerge as first-generation larvae in early to mid-May, and occur as second-generation larvae in early to mid-June, with irregular generations in subsequent generations.
The key to prevention and control is to protect the new shoots, shorten the harm period, the agent includes Thuringiensis, chloranthroid benzamide, thiamethoxam, cypermethrin, meythrin, etc., pay attention to the use of systemic + touch-killing compound, for the seriously injured branches in time to cut, after leaf spreading spray phosphorus and potassium source library can promote the old ripening of the shoots, reduce the harm.
<h1>05 Bugs
Green blind bugs
Tea wing bugs
Bugs are important pests on peach trees, and feeding on leaves, fruits, and young shoots with a sucking mouthpiece can cause leaf damage, fruit deformity, and reduced appearance quality.
Green blind bugs and tea wing bugs occur more often in peach trees, and the harm is serious. The former has early hazards and more algebras; the latter has fewer algebras, but has a long duration of harm.
Effective pesticides are imidacloprid, acetamiprid, pyridone, cypermethrin, cypermethrin, thiamethiazide, bifenthrin, etc., and orchards with serious injuries can be bagged.
<h1>06 Scarab beetles
The scarab beetles that often appear on peach trees include the patina golden turtle, the oriental golden turtle, the apple-haired golden turtle, and the cloud-spotted golden turtle.
Adults can eat leaves, flower utensils, fruits, larvae endanger the root system, occurs once a year, March to May is the excavation period of the overwintering generation.
The control is mainly based on trapping adult insects by black light lamps, soil ploughing combined with drugs to seal larvae.
<h1>07 Heart-eating worms
Pear small heartworm
Peach borer
Small heart-eating worms
Heart-eating insects are actually a type of pest, belonging to the lepidoptera small leaf curler moth family, due to the hidden harm, difficult to control, has now risen to become an important pest of peach trees. They mainly eat fruit and new shoots, which can adversely affect tree potential and fruit.
Biological and physical control methods include pluvia interference, trunk binding, bagging, etc., and the control of pharmaceutical agents is carried out at the peak of egg laying and hatching of adults in each generation, and the optional use of chlorantraniliprostamide, bromocyanidamide, acetamidine, high-efficiency cypermethrin, etc.
<h1>08 day cattle
The main pest is to dry out the larvae, the picture above is the peach-necked celestial bull, and there are also star celestial calves on the peach trees.
After the adults feather, they will lay their eggs on the trunk near the ground, and the hatching larvae will moth between the phloem and the xylem, and continue to moth into the xylem after the body is up to 30 mm long, resulting in weak tree potential, yellow leaves, dead leaves, and deciduous leaves.
In terms of control, it is generally to kill adult insects, hook and kill and poison larvae.
<h1>09 Mesenchymal worms
Mulberry white borer
North Korean ball stunt
Mesophyllum can damage plant tissues and weaken tree potential by stinging, and can also secrete honeydew to induce soot disease.
Pre-germination and egg hatching period is the key period of its prevention and control, once the body is waxy secretions, it is difficult to fight, the agent can choose spironoid ethyl ester, thiazide, thiamethoxazine, flufenacilamine nitrile and so on.
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