Timely control of Populus tomentosa
Euonymus longicollis, also known as Euonymus longicollis, is an early leaf-eating pest that harms garden plants. After several years of observation, the larvae appeared in late March in Xi'an area, mainly harming Euonymus japonica, Gossypium hirsutum, Euonymus fortunei and other plants, seriously eating up the leaves, affecting the ornamental effect.
When young larvae are found to be harmful, 50% phoxim emulsifiable concentrate, 40% omethoate emulsifiable concentrate 1000 times, or 2.5 dichlorothrin emulsifiable concentrate 2000 times can be sprayed evenly, and the control effect is very good.
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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.
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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.
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