leaf yellow poplar Learn more about leaf yellow poplar
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The insect on the edge of the vegetable field-the yellow poplar silk borer
The flowers bloom in spring and the insects begin to move. During the recent activities of science and technology going to the countryside, it was found that a pest, "boxwood silk borer", began to occur and damage on the roadside of the park. The yellow poplar silk borer is one of the common pests in plants, such as yellow poplar, melon seed, big leaf yellow poplar, small leaf yellow poplar, sparrow tongue yellow poplar, spoon leaf yellow poplar, Korean yellow poplar, holly and so on, which occur in Shanghai and other provinces and cities. Shanghai has three or four generations in a year, and the times overlap seriously. Usually spring starts in March, pupation begins in mid-April, Eclosion begins in late April, and the first generation is young in early May.
2019-01-15 -
How much is the price of small leaf yellow poplar and big leaf yellow poplar? What's the difference between them? How to breed it?
Populus tomentosa, numerous valleys, streams, under forests, 1200-2600 m above sea level. It is produced in many provinces and regions of China, some of which belong to cultivation. Here, let's take a look at the price of small leaf yellow poplar and big leaf yellow poplar. What's the difference between them? How to breed it? How much is the price of small leaf yellow poplar and big leaf yellow poplar?
2019-03-21 -
Brief introduction of Populus tomentosa, one of the top ten famous trees in China, how to raise it
Poplar bonsai trees are graceful, with leaves as small as beans, thick and shiny, evergreen all the year round, and can be watched all the year round. Yang Pai boxwood bonsai, branches and leaves after cutting processing, into a cloud sheet, as thin as cut, and then embellished with rocks, elegant and picturesque. The young leaves of Populus tomentosa are young in spring, and the trees are green and pleasing to the eye. The ancients sang Huang Yang's poems
2019-04-30 -
Why did boxwood turn reddish brown?
Q: I used the brown soil that I planted with tea trees to plant small yellow poplars last spring. Months have passed since then, and the small yellow poplars have gradually withered and become dead. I don't know why. How to save it? Answer: most of the tea trees cultivated in the south are acid yellow brown soil, whether it is cultivated big leaf yellow poplar or melon seed yellow poplar, sparrow tongue yellow poplar, etc., there is no soil unsuitable problem. I guess your unit should plant guazihuang poplar. Due to the dry weather after entering autumn, coupled with the low temperature and cold weather in winter, some yellow poplar seedlings that have not yet grown roots have yet to grow.
2019-01-16 -
Integrated control of poplar leaf-eating pests
Poplar is deeply loved by the people because of its fast-growing, wide growing area and outstanding economic benefits, but with the gradual expansion of poplar planting area, especially the development of pure forest area, the outbreak of poplar leaf-eating pests continues to occur, so the integrated control of poplar leaf-eating pests appears to be very.
2018-07-19 -
Cultivation techniques of "Yellow Poplar"
"Huang Yang" alias: Holly spear, Zhenggi. Scientific name: BuxusmicrophyllaSieb.etZucc family: Populus tomentosa. Tree species characteristics: Populus tomentosa, also known as melon seeds, thousand-year-old dwarf, evergreen shrubs or small trees of the family Populus. The trunk is gray and smooth, with dense branches and four-angled branches. Leaves opposite, leathery, entire, elliptic or Obovate, apex rounded or retuse, surface bright green, abaxially yellowish green. Flowers clustered in leaf axils or branch ends, blooming from April to May, flowers yellowish green. The cucurbit fruit is oval.
2019-01-11 -
Appreciation of bonsai pictures of Pearl and Yellow Poplar
English name: Pearl yellow poplar alias: fish scale yellow poplar Latin name: Buxussinicavar.parvifolia family genus: Populus tomentosa family distribution: Anhui Dabie Mountain, Huangshan Mountain, Lushan Mountain in Jiangxi Province and other pearl boxwood, also known as Chinese old tree, fish scale wood
2018-08-29 -
How to water and fertilize the production method of boxwood bonsai
Boxwood, this is a kind of tree, this boxwood can be seen in many places, such as parks and so on, what is the method of making boxwood bonsai? How to water and fertilize boxwood: Poplar bonsai production method: material
2019-01-26 -
Appreciation of red sandalwood bonsai pictures
English name: red sandalwood alias: green dragon wood, yellow cypress wood, rose wood, flower palm wood, feather sandalwood Latin name: Pterocarpusindicus family genus: Leguminosae red sandalwood red sandalwood tree is one of the world's precious wood, red sandalwood bonsai has always been favored by bonsai lovers
2018-08-29 -
Do not let bonsai boxwood blossom
Boxwood bonsai has become an art treasure because of its small evergreen leaves and slow growth. Generally speaking, the poplar bonsai materials are mostly taken from the old wild piles by the water. Wild old piles are easy to blossom and bear fruit. Some people think that the flowering of yellow poplar is very "spectacular" and is a great scenery. The author has more than 100 pots of wild yellow poplar pile scene, years of management practice, the author carefully observed and found that the flowering of yellow poplar is not a good thing. Because the flowering of boxwood has three disadvantages: first, it destroys the leaf phase. The bud period of Populus tomentosa is long, from August of the first year to March of the following spring. A fine bud clip
2019-01-11 -
Breeding methods and pruning techniques of Populus tomentosa in Hokkaido
Euonymus japonicus Hokkaido is a variety of Euonymus tomentosa, which belongs to the family Euonymaceae and belongs to evergreen broad-leaved tree species, native to Japan. Its development is relatively fast, and the annual height development can be up to 170 cm. The tree posture is erect and evergreen at 04:00, and the consequence of entering autumn is of high appreciation value. it is an excellent tree species to increase greening and color in winter in the north.
2018-08-19 -
Childhood under the Maple Poplar
Brief introduction of the author: a small maple poplar leaf whirled down and fell into the soil by the students of Class 6 (4) of Xuejun Primary School in Hangzhou. My primary school career has gradually faded away, and in a few days, it will be like this maple poplar leaf, forever, hidden. ...
2018-06-17 -
What is the symptom of big leaf yellow poplar gray spot disease?
Symptoms of gray spot of Populus tomentosa: occurs on the leaves of Populus tomentosa. The small chlorotic macula appeared on the infected leaves at the initial stage, and then gradually expanded into irregular spots, showing gray, grayish white or irrigated yellow. The boundary between the sick and the healthy is often brown or dark brown everywhere, and the edges are often raised. In the later stage, several disease spots are often linked together, accounting for 1/2 to 1/3 of the total leaf area. when the damage is serious, the diseased leaves can fall off in the same year and even cause the branches to die.
2019-01-11 -
How much is the price of shrub leafy yellow poplar seedlings? How do you plant it? How to make bonsai trees?
Populus tomentosa, also known as Populus tomentosa, is a shrub of the genus Populus of the family Populus, with low growth, dense branches, cylindrical branches, flowers held in March and fruit in May-June. So how much is the price of small poplar seedlings? How do you plant it? How to make bonsai trees? How much is the price of small poplar seedlings?
2019-03-19 -
What is the symptom of big leaf yellow poplar powdery mildew?
Symptoms of powdery mildew of Euonymus tomentosa: the powdery mildew is mostly distributed on the front of the leaves, and some grow on the back of the leaves. A single lesion is round and white, and it is irregular after enlargement and healing. The primary disease showed yellow round spots when the superficial white powdery hyphae and spore layer were wiped off. In severe cases, the disease of new shoots can reach 100%. Sometimes the diseased leaves are shrunk and the diseased tips are twisted and atrophied.
2019-01-11 -
Summary of common seedling diseases and insect pests in spring
Spring is not only the season of recovery of all things, but also the season of high incidence of diseases and insect pests. Today, the editor summarizes several pest control methods that are most likely to occur in spring, hoping to be helpful to the prevention and control of seedling diseases and insect pests in spring.
2018-04-25 -
How many years can the latest poplar live?
Poplar is a general term for deciduous trees of the genus Populus of the family Populus, including Populus euphratica, Populus tomentosa, Populus tomentosa and so on. The leaves turn yellow before defoliation, and the roots are highly aggressive and cannot be planted near houses and water pipes. They all belong to more than 100 species, mainly distributed in Europe.
2020-11-10 The latest poplar can live how many years for willow family poplar genus -
Fertilization technique of Poplar
Poplar skin rot (rot) mainly occurs on the trunk and branches of poplar. After the onset of the disease, the cortical tissue of the trunk and branches rotted, lost water, sunken, cracked, and smelled of wine lees. When the diseased part surrounds the trunk or branch for a week, the whole upper part of the tree dies. The disease occurs twice a year, when the temperature is above 7 ℃.
2018-07-19 -
Huang Ye Jin Li Huang Poplar
Yellow leaf golden mature yellow poplar Buxussempervirens'LatifoliaMaculata', evergreen shrub, 30-40cm in height, compact in shape, bright yellow in new leaves, dark green with yellow spots and glossy after maturity. Cold-resistant, shade-resistant, suitable for loose and fertile soil, can also grow in alkaline soil, do not have high requirements for moisture, can maintain half of the soil moisture. It has strong resistance to toxic gases such as sulfur dioxide, chlorine, hydrogen sulfide and hydrogen fluoride. This species is a cultivated species.
2019-01-16 -
How many years can poplars live?
How many years can poplars live?
2018-07-06