-
Where is the origin of Japanese euonymus? Introduction to the distribution of its main producing areas
Japanese euonymus is a commonly used greening plant, seen everywhere on roads, in courtyards and gardens, so where is the origin of Japanese euonymus? 1. Basic introduction to Japanese euonymus. Japanese euonymus is a shrub or small tree of the Buxaceae family, Buxus genus, 0.6-2.2 m tall, 5 cm DBH
-
A Detailed Guide to Three Propagation Methods for Japanese Euonymus
Japanese euonymus is a variety of Chinese euonymus. This euonymus is native to Japan and grows relatively fast. In northern China, Japanese euonymus is an excellent tree species for adding greenery and color in winter. The editor will introduce three propagation methods for Japanese euonymus. Friends who are interested in Japanese euonymus can learn about them together.
-
How much does a Japanese Spindle (Euonymus japonicus) cost per plant? Detailed planting methods
Japanese Spindle prices and planting methods
-
What are the control methods for powdery mildew on Japanese euonymus?
The disease damages leaves and twigs. The lesions are mostly distributed on the upper surface of the leaves
-
Detailed Explanation of the Key Techniques for Cutting Propagation of Japanese Euonymus
Japanese euonymus stays evergreen all year round and has strong adaptability. Let's learn the propagation techniques together.
-
What are the symptoms of gray leaf spot on Japanese euonymus?
Symptoms of gray leaf spot on Japanese euonymus: it occurs on the leaves of Japanese euonymus. In the early stage, small chlorotic yellow spots appear on infected leaves, then gradually expand into irregular large spots that are gray, grayish white or light loess yellow. The boundary between diseased and healthy tissue is often brown or dark brown, and the edge is often raised. In the later stage, several spots often merge into one, occupying one-half to one-third of the total leaf area. When the damage is severe, diseased leaves may drop in the same year or even cause twig dieback.
-
Symptoms and Control Methods of Brown Spot Disease in Japanese Euonymus (Euonymus japonicus)
Symptoms: Yellow or brown small spots appear on new leaves, gradually expanding into nearly circular irregular patches, with a diameter of up to 3-10 mm. Later the diseased spots turn grayish-brown or grayish-white, with a darker edge, and the spots bear concentric rings and many small black mold dots. Pathogen and disease pattern: Fungus. It is the imperfect fungus Cercospora destructiva Rav. The disease begins to occur in mid to late May, with the peak period in August, and basically stops after November. Cr
-
What are the propagation methods for Japanese euonymus (Euonymus japonicus)?
Cuttings are the usual method, and roots form fastest when cuttings are taken during the plum rain season. Select semi-lignified mature branches, 12-15 cm long, and insert them into a seedbed made of half sand and half soil; roots form 20-25 days after insertion. Cuttings can be taken in either spring or summer, but semi-mature softwood cuttings taken in June during the plum rain season root more quickly and grow better as well. In the early period after insertion, a shade frame must be set up and the seedbed kept moist. Cutting-grown plants grow far faster than seedlings grown from seed. Japanese euonymus is usually trained into a spherical crown before being planted out.
-
Occurrence and Control of Powdery Mildew on Japanese Euonymus
Symptoms: The disease affects leaves and twigs. The lesions are mostly distributed on the upper surface of the leaves. In the early stage of the disease, many small white round spots are scattered on the infected leaves. As the lesions gradually expand and merge with each other, they become irregular large spots. When the disease occurs severely, the infection rate of new shoots can reach 10%. White powder appears on the entire surface of the leaves and new shoots. The diseased leaves gradually lose green color, turn yellow, and finally turn brown-black. The diseased parts are deformed, the diseased leaves shrink, and the diseased shoots are twisted and stunted. Pathogen: The pathogen is Oidium euonymi
-
Identification and Control Methods of the Pryeria sinica Moth on Japanese Euonymus
Scientific name: Pryeria sinica Moore. Morphological characteristics: The adult moth has a body length of about 12 mm and a wingspan of about 30 mm. The head, thorax and antennae are dark brown. The male moth's antennae are feathery, while the female's are pectinate. There are long orange-yellow hairs on the thorax dorsum and both sides of the abdomen. The forewings are semi-transparent, but the basal 1/3 of the wing is yellow, the rest is dark gray, and the veins are dark brown. The hindwings are yellow at the base. The eggs are oval and flat, initially yellowish-white, gradually turning light brown. The larva is about 20 mm long, with a small dark brown head and a yellow-green body, with sparse white fine hairs on the sides and back.
条件筛选