Method for identifying soybean seed authenticity and/or purity of variety
A technology for the purity of soybean seeds and varieties, which is applied in biochemical equipment and methods, determination/inspection of microorganisms, electrochemical variables of materials, etc. Complex procedures, etc., to achieve the effect of not easy to store and transport, omit DNA purification and RNA degradation, and simplify experimental steps
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[0077] Embodiment 1, take Jinda 75 seeds as standard seed identification soybean seed authenticity and variety purity
[0078] Before the identification, more than 20 soybean varieties (including Jinda 75) from Shanxi Province were screened for SSR markers, and it was found that the SSR primer Sat_344 could produce a specific band for the genomic DNA of Jinda 75. The DNA of Jinda 75 samples for inspection was analyzed.
[0079] 1. Seed sample selection
[0080] 95 seeds were randomly selected from the soybean variety Jinda 75, and 3 seeds of Jinda 74 and 2 seeds of Jinda 701 were added to test the identification effect, and a total of 100 seeds were used as test samples.
[0081] 2. DNA Extraction from Seed Samples
[0082] (1) Crush the soybean seeds one by one with pliers, put each in a 1.5ml centrifuge tube, and the sample occupies about 1 / 3 of the volume of the centrifuge tube.
[0083] (2) Add 600 μl of CTAB buffer solution to each 1.5ml centrifuge tube, and bathe in w...
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