What are the pests of five needle pine? How about five needle pine?

The insect pests of five-needle pine are:Scale insects, red spiders, aphids, etc.

Prevention and control methods:It can be captured and brushed manually or controlled with pesticides. If it is found that pine borers and scale insects harm the tip and eat the needles, you can use 80 dichlorvos emulsifiable concentrate and water 1000 times to spray for control.

At the same time, it is necessary to pay attention to ventilation and light transmission, and the potting soil should not be too wet, so as to facilitate the prevention and control of pests and diseases.

The pests of five-needle pine mainly include pine beetle, pine poison moth, pine protrusion round scale, black pine leaf wasp and so on. The damage is more serious with pine beetle and pine poison moth.

1.Pine Bull.

1) Harmful characteristics.

It is harmful to a variety of pine plants. The larvae eat the xylem, and the adults bite the leaves, causing the plant to die. It also spreads pine forest nematode disease, causing a large occurrence of nematode wilting disease and a large number of plant deaths.

2) Prevention and control methods.

Within 1 week of adult emergence, within 1 week of peak emeritation, and late eclosion, spray 50% pine borer 200 times solution once in three periods. Spraying should be thoughtful and comprehensive, leaving no blanks.

When the larvae hatched, spray 25% Guoke No. 3 200 times solution or 40% oxidized dimethoate 1000 times solution.

After the larvae have penetrated into the branches, zinc phosphide poison skewers should be inserted into the holes to kill the larvae.

2.Pine poison moth.

Also known as matsutake poisonous moth.

1) Harmful characteristics.

It is harmful to a variety of pine plants. The larvae eat the leaves, taking food from the middle of the leaves, causing the leaves to break, and in severe cases, eating the leaves.

2) Prevention and control methods.

Lights trap adults. At the peak of larval hatching, spray No. 3 2000 times of larval urine or 1000 times of trichlorfon.

This problem is too general, there are many varieties of five-needle pine, Nissan Osaka pine is a good material for bonsai, pine needles are short and dense, the nodules are short, the growth is slow, and it is a good tree species. China's Huashan five-needle pine grows vigorously, and the pine needles are long, which is not suitable for bonsai materials.

Garden uses of five-needle pine:The five-needle pine plant is close in shape and elegant in posture, which is a precious material for bonsai modeling and making scenic spots. It can also be planted in a garden or flower bed, and it is more suitable to match the rocks.

Medicinal uses of Pentacupine particles:Li Shizhen said in the "Compendium of Materia Medica": "Pine leaves, called pine hair, are warm and bitter, non-toxic, enter the liver, kidney, lungs, and spleen meridians, and treat swelling and poison of various organs, wind, cold and dampness."

It is also said that it can swell blisters, promote hair regrowth, strengthen the liver, kidneys, heart, spleen, and lungs, and can satisfy hunger and prolong life. Sun Simiao also has a soft spot for pine trees, and uses the relevant parts of pine trees to treat diseases and health preservation, and creates natural health preservation methods such as "taking pine nuts, taking pine leaves, and taking pine resin".

Pine needles originated in Japan and have been cultivated in China for more than 100 years. The common production areas are Shuyang, Jiangsu, Shanghai, Hunan, Ningbo, Bozhou, Shandong, Chengdu and other places.

There are many varieties of five-needle pine, the more common ones are short-leaved five-needle pine, bush dwarf five-needle pine, wife five-needle pine, silver-leaf five-needle pine, yellow-leaved five-needle pine, long-leaved five-needle pine, silver-tip five-needle pine, sun-leaf five-needle pine, spiral-leaf five-needle pine, Miyajima Osaka pine, gold-leaf Osaka pine, etc.

NO1, large slab pine.

Pinus tabuliformis is the most valuable variety of five-needle pine. Its plants are relatively short and have short needles, but they are luxuriant and have a high ornamental value. It is often used as a potted plant for maintenance.

NO2, gold-leaf five-needle pine.

The needles of the golden five-needle pine grow radially, the leaves are luxuriant, the color is mostly green, the hazel branch ornamental value is high, and the rockery is mostly matched to form a landscape, of which T brocade T is the top grade.

NO3, silver leaf five-needle pine.

The five-needle pine, also known as the California mountain pine, is about 30-50m tall, the needles are blue-green to silver oak scattered white, the cones are conical, and the ornamental value is also very high.

NO4, Japanese five-needle pine.

Japanese five-needle pine is a temperate tree species, 5 needles in a bunch, compact and beautiful. It is a precious ornamental tree species that can be planted in gardens, hotels, communities and other places.

Characteristics of five-needle pine:One,Pinus five-needle is an evergreen coniferous tree of the Pinaceae family. The leaves are needle-shaped, about 3 cm to 5 cm long, thin and smooth, with small bundles growing in clusters of every 5 needles, most of which are clustered on the apicals and lateral branches.

The commonly cultivated ones are five-needle pine, which is twisted and spiral-shaped; Yellow-leaved five-needle pine, the needles are yellow-green or have yellow spots on the green needles; White-headed five-needle pine, the tips of the needles are yellowish-white; The short-leaved five-needle pine has fine, dense and extremely short needles, and the length is only 1 2 of the ordinary five-needle pine.

II,The bark of five-needle pine is grayish-brown, the old trunk has irregular scale-like peeling, the inner bark is russet, the annual branchlets are light brown, densely pubescent, and the winter buds are oblong, yellowish-brown; Leaves short, five needles in a bundle; There are white stomatal lines on both sides of the inner side, the flowering period is May, the cones are unisexual and homogeneous, the male cones gather at the lower part of the new branches, and the female cones gather at the ends of the new branches. The cones are ovate, the seeds mature in October and November of the following year, the seeds are obovate, with triangular wings, light brown.

Three,The five-needle pine has a good posture and is a tree species with high ornamental value, which is not only suitable for garden decoration, but also an important tree species for potted plants or bonsai; In order to maintain a good posture of the tree, control the growth of branches and leaves, and achieve a short, dense and vigorous shape of branches and leaves, it is necessary to carry out frequent plastic pruning. When the buds of the five-needle pine germinate and elongate, the buds are removed from 1 2 to 1 3, which can avoid the extraction of long branches, and make the growth and development of the side buds uniform and robust, so as to reduce nutrient consumption and achieve a vigorous and beautiful tree posture.

Five-needle pine is also known as Japanese five-needle pine. The needles are dense, and every five are clustered into small bunches, most of which are clustered on the top of the branches and on the side branches. It has a long lifespan, is resistant to pruning, and can be tied into various pile scenes.

Common cultivars include five-needle pine with whirl-leaved leaves, five-needle pine with yellow leaves, five-needle pine with white heads, five-needle pine with short leaves, etc.

Five-needle looseness likes sunlight and can also tolerate shade. Hardy.