کسب درآمد و فروشگاه اینترنتی Pistachio-eating beetle (Hylesinus vestitus)
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منبع رسمی مقالات در مورد بهترین پسته

بازدید : 26
دوشنبه 11 بهمن 1400 زمان : 10:29

The branch-eating beetle damages pistachio wholesale pistachio trees during puberty

And by attacking and feeding on the buds of trees causes the heads of the branches to dry out

The tree becomes sterile in terms of yield. Adult insects are small beetle pests

It is oval in shape with a length of 2.5 to 3.5 mm and is brown in color, but the color

The head and back of the first breast and below the abdomen and the spots on the wings are dark brown.

The color of the larvae is milky white without limbs. Maximum larval length up

5 mm is measured. White, transparent, oval insect eggs

Are shapes. Adult insects from pistachio buds during spring and summer

They feed and dig into the branch along the channel bud. With

Surveys have shown that almost 80% of people

Adults feed on only one bud during their lifetime. The number of insects that

During the life cycle, they feed on 2 or 3 buds, which is about 10%.

Therefore, in a long period of 200 days, the regeneration operation is performed

Another study was observed in June and throughout the summer months in

Conditions in Rafsanjan No more attacks on dry wood and with

Tracking the life of this insect has been shown to have only one generation per year

is.

The adult pistachio-eating adult beetle was familiar with the practice

Embryonic pistachio orchards vary depending on temperature and humidity

Lasts up to 19 days.

After hatching, the larvae dig canals in a direction approximately perpendicular to the corridor

Mothers take action. The maximum length of the larval corridor is 25 mm and the minimum is 10

Measured in millimeters. The length of the larval period also depends on the degree

The heat and humidity of the host are different. Larvae of insects

Pioneers are obtained for a longer period than the larvae that hatch

They have a maternal generation in late March and early spring.

The larvae, after completing their development, have a large space at the end of the corridor they have dug

Terry is embedded for pupation and they become pupae in it. the period

Pupation varies for up to 20 days, after which adult insects form holes

The outlets are almost round, with a diameter of 1 to 2 mm, and come out.

The period of one generation from egg to the emergence of a new generation adult insect is a maximum of 193 days

And measured for at least 36 days, which is the average life span of a generation

The pest of the day is equivalent to 4 months.

The departure of the first new generation garden insects differs from late March and early April

Every year is seen in exceptional cases even in February in Faizabad Torbat

Heydariyeh In Khorasan province, adult insects have been observed (but the percentage of departure

These people are very low. From the third decade of April, the number of people leaving gradually

The new generation has decreased and reached a minimum in the first half of June, from 20

June will be cut off in general. New generation adult beetles mostly to

Fly to nearby gardens and after being placed on pistachio branches

It begins to feed on the bud of the tree and along it, as it was said

They dig a canal inside the head of the branch. Therefore according to

The above-mentioned cases, the emergence of new generation garden insects and their invasion and attack

Gardens are done at intervals of 70 days.

The number of buds that are attacked on the branches of a tree

The number of spheres seen was 25 and at least one. Also until now

A few cases of attack and feeding familiarity with the operation and had with pistachio

The adult type of the insect has also been observed from the pistachio axis and cluster.

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