Planting Technology Lists
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Opinions on the control of Ostrinia furnacalis in overwintering generation
The yellow poplar silk wild borer is one of the important leaf-eating pests of forestry plants in this area, which is mainly harmful to melon seeds and sparrow tongue. The pest has been comprehensively controlled for 2-3 times since the early spring of this year, and the pest has been effectively controlled. However, because the pest has been damaged for a long time and can last until the end of October, it is necessary to continue to track and inspect the pest. According to the two-point monitoring of Anting Ginkgo Garden and Fangtai Garden, it was reported that a moth peak appeared in the first and middle of September, and the number of moths was the highest from September 7 to 9, with an average daily moth of 22.3 per lamp.
2019-01-16 -
Landscaping: anthracnose of Populus tomentosa
[symptoms] Colletotrichum gloeosporioides is distributed all over the country. At the initial stage of the disease, there were water-stained yellow-brown spots on the leaves, and the boundary between the disease and health was not obvious, and then the disease spot expanded. In the later stage, the site of the disease was yellow, and small black spots (conidial disc) appeared on the spot, which were arranged into obvious or inobvious ribs. Often cause withered leaves and early defoliation. [pathogen and pathogenesis] by half-known fungi such as ColletotrichumgriseamHeaidetWaif and G
2019-01-16 -
Control methods of yellow poplar silk wild borer in garden ornamental trees
Distribution and damage to the yellow poplar silk borer DiaphaniaperspectalisWalker also known as the yellow poplar black edge borer moth. It belongs to Lepidoptera, Pyralidae. Distributed all over the country. The larvae are harmful to Populus tomentosa, Holly and Euonymus. The insect is sudden, the light ones affect the normal growth, and the heavy ones wither and fall off, resulting in bald branches and death of the young plants. The morphological characteristics of the adult are about 23 mm in length and 48 mm in wingspan. Except for the front edge, outer edge and posterior edge of the forewing.
2019-01-16 -
Control methods of Populus tomentosa in ornamental trees in Garden
Distribution and damage of Populus tomentosa PryeriasinicaMoore, also known as Populus tomentosa and Euonymus holly. It belongs to Lepidoptera, Lepidoptera. Distributed in Shanghai, Nanjing, Wuxi, Suzhou, Hangzhou, Wuhan, Lianyungang and Hefei. Damage to Euonymus tomentosa, Euonymus tomentosa, Golden Heart holly spear, Dahuawei spear, Fufang vine and silk cotton wood and so on. The larvae feed on the host leaves, and when the occurrence is serious, the leaves are eaten light, which affects the normal growth of plants. Morphological characteristics of adults oblate, black back, chest back
2019-01-16 -
Medicinal flowers: Populus tomentosa
1. Source of Populus tomentosa [BuxussinicaCheng (B.micrphyllaSeb.etZucc.var.HehdetWils.)] Alias Douban yellow poplar, oolong wood, Childe boxwood, mountain yellow poplar. Populus tomentosa is native to Japan and is cultivated in all provinces in central China. Su Ling called yellow poplar and golden finch, Yingchun and velvet needle cypress as the "four masters" of bonsai trees. Ouyang said that yellow poplar "is not a pine, but a pavilion is like a cypress", and has a good comment on the green of yellow poplar.
2019-01-16 -
Indoor cultivation and habits of Euonymus tomentosa
Small leaf yellow poplar likes warm, semi-overcast, humid climate, drought resistance, cold resistance, pruning resistance, is a shallow root tree species, slow growth, long life, is an excellent wood for bonsai production. Populus tomentosa bonsai has dense branches and leaves and evergreen four seasons. It is not only a good indoor decorative plant, but also has a strong adsorption capacity to sulfur dioxide, chlorine, hydrogen sulfide, hydrogen fluoride and other toxic gases, and has the ability to absorb poisonous gas and purify air. It is a veritable indoor "evergreen purifier", but if it is kept indoors for a long time without sunlight, it will affect its normal life.
2019-01-16 -
Timely control of Populus tomentosa
Plutella xylostella, also known as Populus tomentosa, is an early leaf-eating pest that harms garden plants. After several years' observation, the larvae appeared in late March in Xi'an, which mainly harmed Populus tomentosa, cotton wood, Fufang vine and other plants, and ate all the leaves seriously, affecting the ornamental effect. When it is found that the young larvae are harmful, 50% phoxim EC and 40% omethoate EC can be used, or 2000 times EC can be sprayed evenly, and the control effect is very good.
2019-01-16 -
How to distinguish between Euonymus tomentosa and Jiaodong Euonymus
Euonymus tomentosa and Euphorbia angustifolia are evergreen plants of the same genus and different species, and both are good materials for hedgerows. Their leaves are leathery and have no obvious difference in leaf shape, so many people confuse them with each other. The main differences between the two are as follows: first, the plant shape of Euonymus tomentosa is compact, the branch is erect, and the natural branching point of lateral branch is higher; the plant shape of Jiaodong Euonymus is loose, the natural branching point of lateral branch is low, and the base branch is creeping and can take root. 2. although the leaves of both leaves are leathery, the leaf margin of Euonymus tomentosa is more serrulate.
2019-01-16 -
How to manage water-saving and drought-tolerant plant Populus tomentosa in Hokkaido
Hokkaido boxwood is a small evergreen broad-leaved tree of the genus Euonymaceae. Hokkaido boxwood is grafted with silk cotton as rootstock, the tree posture is tall and straight, evergreen all the year round, and the ripe fruit is cracked after winter, showing red aril, green leaves and red fruit, which is of high ornamental value. It is a rare evergreen broad-leaved tree in the cold region of the north. Lax requirements on the soil, in the soil organic matter content of more than 0.8% of sandy soil, sandy loam, loam, soil can grow well. It is suitable for soils with pH 6 to 9 and total salt content less than 2 ‰. High connection height 1 to 1.8 meters, low connection
2019-01-16 -
How to control leaf spot of Euonymus tomentosa
Euonymus tomentosa is a small evergreen shrub commonly used in gardens, which has many advantages, but the occurrence of leaf spot will cause early defoliation, bald branches and even death, which seriously affect the normal growth and ornamental effect of Euonymus tomentosa. Symptoms: in the early stage of the disease, there are small yellow spots on the leaves, which gradually become yellowish brown and enlarge into round or irregular spots with a diameter of 2 mm to 10 mm. In the later stage, the lesions are grayish brown or grayish white, with dark edges, and there are many small black spots on the disease spots. In severe cases, the disease spots are linked together.
2019-01-16