The anthracnose of Artemisia selengensis mostly occurs in a humid environment. In severe cases, the yield is less and the quality is reduced. The Chinese pesticide net Xiaobian gives you the control to prevent anthrax diseases: Euro-fece is usually electro Welded Wire Mesh, plastic coated on galvanized core. Colour is green ral 6005 powder coating. Tensile strength is as below: Line wires:450 550nwt/mm2. Cross wires:600-700nwt/mm2. Material is low carbon steel wire, PVC coated wire.It is good at corrosion resistance, anti-aging, nice appearance, easy and quick installation.
Processing: PVC coated after welding of steel wire. Electro galvanizing, hot-dip galvanizing or PVC coating can be done separately.
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The symptoms are mainly harmful to the leaves. Leaf spots mostly start from the leaf margin, semi-circular (edge) or near-circular (foliar), the transverse diameter varies from 4 to 7 mm, taupe to brown, and the edge color is deep. The boundary between the onset and the healthy part is obvious or not. It is obvious that some spots have a slight pattern of hair, and when wet, there are large red spots or small black spots on the surface of the vermilion needle, which is the symptom of the disease (the spore tray and the conidia).
The pathogen and pathogenic characteristics of the pathogen is Colletotrichumgloeosporioides Pens. According to the pesticide network , the pathogens survived over the winter by the mycelium and the spore tray on the diseased plant or in the soil with the diseased remains. When the spring and spring were suitable, the spore tray produced conidia and was sprayed with rainwater. Or mediation of activities such as small insects, invading from wounds or natural orifices. After the onset, the diseased part formed new spore trays and conidia, which were infected as re-infected inoculants. In the Guangdong anniversary, there are places where Asteraceae and other Compositae plants are planted, and the pathogens are transmitted and transmitted in different fields in the field, and there is no obvious wintering period. Usually the disease is conducive to the occurrence of warm, humid, foggy weather. Plants with low humidity, poor drainage, or excessive close planting, or those with partial application of nitrogen fertilizer are more susceptible to disease, and there is still a lack of investigation and comparison of resistance between varieties. In Guangzhou, this disease is the same as round spot disease. The incidence is more common.
Prevention and treatment methods The principles and measures for prevention and treatment of this disease are basically the same as those for controlling black spot (round spot) of Artemisia selengensis. Comprehensive prevention and control measures based on cultivation and disease prevention and pesticide control should be adopted. Serious prevention and treatment of black spot or anthrax can all be treated with both. In the place where the anthracnose is mainly used or in the field, in addition to the reference to the black spot (round spot) of Artemisia selengensis, it is also possible to spray 25% charcoal WP 600 times or 50% WP 1000. 1500 times solution, or 25% should be obtained as a suspension of 1000 times. 2 to 3 times, every 7 to 10 days, once before the dense, spray evenly.
Application: Euro fence is used as fencing, decoration or protection for various facilities in industry, agriculture, infrastructure, transport, etc.Such as Vinyl Fencing.
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Reference standard for pesticide use in the control of anthracnose