Method for detecting sugarcane ratoon stunting disease pathogen
A detection method and sugarcane technology are applied in the field of sugarcane ratoon dwarf pathogen detection, which can solve the problems that the PCR method detection system is not easy to stabilize, is not suitable for rapid detection, and has low detection sensitivity, and achieves easy visual judgment, labor saving, and simple operation. Effect
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[0012] 1. Sample preparation and tissue imprinting: Take the middle and lower stem nodes of the sugarcane sample to be tested, cut them into 9-11cm long with a machete, drill out the middle part with a rotor, and then cut it into a plane with a sharp blade. Press vertically on the nitrocellulose membrane for 10-15 seconds to obtain blots;
[0013] 2. Blocking: Pour the blocking buffer into a petri dish with a nitrocellulose membrane, and incubate at 37°C for 45 minutes;
[0014] 3. Quickly wash the membrane once with TBST buffer: Pour off the blocking buffer in the petri dish, add TBST buffer, immerse the nitrocellulose membrane in it, turn it gently a few times, and then discard the TBST buffer.
[0015] 4. Adding antibodies: immerse the nitrocellulose membrane in TBST buffer solution containing 0.1% sugarcane perennial dwarf pathogen specific antiserum and 1% skimmed milk powder, incubate at 37°C for 2 hours, wash the membrane 3 times with TBST buffer solution, each time 3m...
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