Gentianella seed preventing spot blight and preparation method thereof and method for treating gentianella spot blight
A technology for gentian blight and gentian, which is applied to gentian blight-proof gentian seeds and the fields of their preparation and prevention and control of gentian blight, and can solve problems such as harming gentian planting, low production efficiency and large labor load. and other problems, to achieve the effect of reducing planting costs, high production efficiency and less labor.
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specific Embodiment approach 1
[0011] Embodiment 1: In this embodiment, the gentian seeds for preventing gentian spot blight contain 10-12 g thiophanate-methyl or 0.6-1 g polyoxin per kilogram.
[0012] In the new planting environment, the gentian seeds for preventing gentian spot blight in this embodiment have an incidence rate of 0. The thiophanate-methyl and polyoxin have no damage to the gentian seeds, do not affect the germination and growth of the gentian seeds, and the germination rate of the seeds reaches over 54%.
specific Embodiment approach 2
[0013] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the gentian seeds of preventing gentian spot blight contain 11g thiophanate-methyl or 0.8g polyoxin per kilogram.
specific Embodiment approach 3
[0014] Specific embodiment three: the gentian seeds of the prevention gentian spot blight of the present embodiment are carried out according to the following steps: the gentian seeds are immersed in the mass concentration of 65%~75% ethanol solution for 30s, then take out and put into the diluted 300~ Soak in 500-fold polyoxin or 300-600-fold diluted thiophanate-methyl solution for 30 minutes, then take it out and dry it in the shade to obtain gentian seeds resistant to gentian spot blight.
[0015] The thiophanate-methyl used in this embodiment is a wettable powder, and the original mass concentration of the medicament is 65% to 75%.
[0016] The polyoxin used in this embodiment is a wettable powder, and the original mass concentration of the agent is 2% to 4%.
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