What are the eggs that grow on pears?

Why do bugs grow from the kernel of pears and how do they come about?

Hello friend, this situation means that when the pear is just generated, the eggs have already entered his interior, so that as the pear grows, the eggs also develop and form, so he will come out of it. This means that pears already have insect infestations in the early stage, and the big insects will discharge their eggs here, so they will come out of it little by little.

This personal feeling should be similar to the principle of bacterial reproduction! You tell me? When certain conditions are met, bugs will be born!

When the pears are ripe, there are small insect eyes on the surface of the pears, and after peeling, you will find that there are maggots in the core of the existing pear. This is what bug can be controlled.

Hello, I have seen your question and am sorting out the answer, please wait a while Hello This bug should be a heartworm. It can be used to kill insects with medicinal solutions: chlorpyrifos, acemethamidophos, thiophos, bolluclamide, pyrethon, fluridylurea, fiproniclon, flubenzuron, atoli, rapid dibutin, green Pepsi, Alfat, cyfluthrin, Anlubao, afenin, Uranus, centethhrin, Baishude, etc.

Hello, this should be a pear heartworm, you can (1) before the pear tree germinates, carefully scrape off the old branches, cut the saw, root neck and other places of the old warped bark, concentrate on burning, and eliminate the overwintering larvae.

2) In autumn, before the overwintering larvae shed their fruits, tie grass at the base of the trunk or main branch to induce the larvae to overwinter, and untie them and burn them before winter.

3) During the first and second generation larval occurrence periods, the pest fruits are manually removed. And continuously cut off the peach, pear insect tips, immediately concentrated deep burial.

4) Biological control: In the early stage of pear eggs, release pine caterpillar red-eyed bees, once every 5 days, a total of 5 times, and the amount of bees released per mu is about 10,000 heads.

5) Pesticide control: according to the field egg rate survey, when the egg fruit rate reaches and there are individual larvae and fruit borers, immediately spray 50% parathion 1000 times liquid or 50% pine borer 1000 times solution, 20% pyrethrin 2000-3000 times solution, all have good control effects.

6) For orchards with mixed cultivation of peach and pear, the prevention and control of peach orchards should be strengthened. And when the eggs are hatching and some larvae have been bored into the tender shoots, carefully spray 1500 times of 80% dichlorvos emulsifiable concentrate to kill the larvae in the tender shoots and the newly hatched larvae. Hope to adopt.

Pear worms, pesticide stores have special medicines to prevent pear worms, and early use to prevent pear worms.

A type of scale insect.

Red wax scales

Cerolastes Rubens (Maskell) is an insect of the genus Ceroplastes Rubens (Maskell) in the family Homoptera. It is distributed in greenhouses in South China, Southwest China, East China, North China and North China. Adults and nymphs are densely parasitic on plant branches and leaves, sucking sap harm.

Female insects are mostly harmful on plant branches and petioles, and male insects are mostly harmful on petioles and leaves, and can induce coal stain disease, resulting in plant growth decline, crown shrinkage, and blackening of the whole plant, and serious damage causes the whole plant to die.

It's not a worm, it's rust, also known as red star disease.

Pear rust has already developed rust and needs to be controlled with chemicals.

Pear tree growth period early and late to determine the first medication appropriate period, to the first time after the rainfall to determine the number of medication and interval, spraying should be sprayed wet leaves, the amount of liquid medicine to spray enough, during flowering can not be sprayed, in order to avoid the impact of pesticide damage on the yield, the general year interval of 10-12 days of medication once, 2-3 times in a row, rain increase in the year can be increased as appropriate to increase the number of medication and shorten the interval to 7-10 days. After the pear tree spreads its leaves, a protective fungicide is sprayed before rain to effectively prevent the infection of the fungus, and it is sprayed with 200 times of 45% sulfur suspension (Qingyuan). In the early stage of pear rust infection, it is best to have lesions appear for 1-5 days, and difenoconazole can be sprayed for control.

mealybug, pseudococcidae; Commonly known as mealybugs, small sap-sucking insects belong to the genus Mealybugs, which are distributed worldwide and adapt to various environments. The female is oval, slow, about 1 cm long, and has a white sticky powder on the outside of the body.

Mealybug females and larvae cluster on the dorsal surface of the leaves. Male adults have a pair of well-developed forewings in the middle thorax and a well-developed reproductive sheath at the end of the body.

Harm crops, fruit trees, gardens, forests and pastures.

Prevention and control methods. 1. Implement quarantine: prevent pests from spreading with seedlings and grafted scions.

2. Agricultural control: combined with fruit tree pruning, cut off dense shade, weak branches and seriously damaged branches and leaves to reduce the source of insects.

3. Pharmaceutical prevention and control Choose symptomatic agents: stabbing and sucking mouthparts, systemic agents should be selected, covered with thick scale shells (armor), and permeable agents such as 40% acetamids should be selected. Poison (Guoguang Bizhi) 1500-2000 times liquid spray prevention and control, or use Guoguang Bizhi 1500-2000 times 5.

7% emamectin benzoate emulsifiable concentrate (Guoguang Luck) 2000 times mixture has better control effect. It is recommended to use it twice in a row, about 7 days apart.

The eggs of the spicy (stinging moth), commonly known as the spicy can. A borer that gnaws on the bark and leaves of trees.

In the common sense of pear tree cultivation, the pear stinging moth, also known as the pear thorn moth, belongs to the lepidopteran stinging moth family. It is distributed in various fruit-producing areas in China. The host plants are fruit trees such as pears, apples, peaches, plums, apricots, cherries, etc.

Therefore, in the actual operation process, the fruit farmers must be careful to operate, and must learn the control technology of pear tree insect diseases, so as not to cause huge losses.