How to control metasequoia red blight?
Control methods of red blight of Metasequoia glyptostroboides
First, strictly carry out plant quarantine, prohibit the introduction of diseased seedlings into new areas, and immediately remove and burn diseased seedlings when found.
Second, the water for planting seedlings should be too dense. It is required to be ventilated and transparent, reduce the humidity in the air, increase the application of phosphorus and potassium fertilizer, and apply less nitrogen fertilizer to promote the healthy growth of seedlings and improve the ability of disease resistance.
3. During the onset period from April to May and September to October, Bordeaux solution 1: 1: 200, or 50% carbendazim wettable powder 500 to 1000 times, 25% carbendazim wettable powder 500 times, or antimicrobial agent 401 800 times, once every 10 to 15 days, 2 to 3 times in a row.
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Metasequoia glyptostroboides, a precious relict tree species
Scientific name: Metasequoaglyptostroboides family genus: Taxodiaceae, Metasequoia deciduous trees, precious relict plants in China. Metasequoia glyptostroboides has the advantages of rapid growth, strong adaptability, straight stem, less diseases and insect pests and so on. Wood is light and easy to process, but its strength is weak and it is not resistant to decay, so it can be used for construction, furniture, papermaking and so on. Metasequoia glyptostroboides has strong cold resistance, which requires moist soil and can grow in light saline-alkali soil. Huge tall and straight, luxuriant branches and leaves, changeable leaf color, suitable for concentrated afforestation or cluster planting.
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spruce seedling transplanting method
According to the geographical location and climatic characteristics of the afforestation site, select the microclimate conditions suitable for spruce growth, especially the wet conditions. Under suitable microclimate conditions, we should focus on selecting soil with deep soil layer, loose texture and rich organic matter. In places with poor site conditions and less vegetation, we should strengthen cultivation measures to improve soil fertility. In order to ensure the shade tolerance and moisture tolerance needed for spruce growth, the traditional seedling planting method was changed in our farm in Wulasitai Township in 2002. The seedlings with height above 50 cm were selected and the holes were dug 40×40×
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