Creation and in-situ hybridization of wheat-elymus hispidus multi-disomic substitution line containing elymus hispidus 1Ns, 5Ns and 6Ns chromosomes, simple sequence repeat (SSR) and polyacrylamide gel electrophoresis (PAGE)
A technology of heterosubstitution line and in situ hybridization, which is applied in the preparation of test samples, the determination/inspection of microorganisms, biochemical equipment and methods, etc., can solve the problem of undetermined origin of Xm genome
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[0022] The preferred embodiments of the present invention will be described in detail below; it should be understood that the preferred embodiments are only for illustrating the present invention, rather than limiting the protection scope of the present invention.
[0023]Through embryo rescue and colchicine chromosome doubling, the common wheat-Lime wheat incomplete amphidiploid M842 with the characteristics of large spikes, multiple flowers, large grains, and disease resistance of Lime wheat was obtained; Wheat hybridization, 3 heteroaddition lines and 2 heterosubstitution lines were bred; genome in situ hybridization was used to conduct molecular cytogenetic analysis on the genome composition of 6 types of octoploid Tritileymus , the genome composition of octoploid wheat M842-4, M842-8, M842-12 and M842-16 was determined as AABBDDNsNs, the genome composition of M842-10 was determined as AABBDDNsNs+2Ta-2Lm(Ns), M842 The genome composition of -13 was determined to be AABBDDJJ...
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