Instant Breakfast,Black Tartary Buckwheat Breakfast Powder,Nutritious Buckwheat Powder, Oatmeal Sesame Buckwheat Powder Huantai Biotechnology Co., Ltd. , https://www.huantaifds.com
First, forest management measures
Interplant strain
After thawing and thawing each year, the saplings forming "hands in hand" are interplanted to increase the nutrition space and increase their resistance to diseases.
2. Pruning
Before the sapling buds were opened, the infected branches were cut off and burned. The diseased parts are generally transmitted from bottom to top, and the susceptible branches are all cut off. The distance between the lowermost branch and the ground is kept at one-third of the height of the tree after cutting, and on the other hand, the source of the disease is removed, and on the other hand, the infection is reduced. probability.
Second, chemical prevention
1. Control time
Chemical control occurs when ascospore matures and begins to spread from September to October every year.
2, fungicides
Carbendazim 25%, 50% wettable powder, thiophanate-methyl 50% wettable powder, concentration ratio 1:400.
3. Sprayer
Because of the terrain restrictions, only the mobile mist sprayer, WFB-18 type, was used to carry out the functions of the mountain renewed land operation.
4. Direction, direction and direction
Combine terrain from upwind to downwind spray
Third, the summary
The use of inter-plant, pruning, and chemical control to prevent spruce snowblight disease is the best. Because the updated land is limited by the water source and topography, some of the affected land masses cannot take chemical defense, and the method of pruning three years is adopted twice. Once in the first and third years, it can also achieve the desired effect. Up to 3 meters in the tree, the disease resistance is enhanced, and no disease-causing death will occur.
Control of Spruce Snow Blight
Snowblight damages spruce needles, and the diseased leaves are red-brown. Snow blight occurs in the snow, and ascospores invade the spruce needles covered by snow. From September to October each year, they are transmitted by wind and rain. It was observed that in the young forests after artificial reforestation, due to the high planting density in the past, a “hand-in-hand†situation was created. Once the disease transmission was particularly serious, one-half of the needles of the plants were transformed into auburn browns after infection. Caused the death of the entire plant. In order to ensure the success of artificial reforestation over many years and to make young trees grow as soon as possible, we have taken various measures to prevent and control the Texark Farm and achieved certain results. The measures taken are as follows: