Chinese Journal OF Rice Science >
Genealogical Analysis on Resistance to Magnaporthe oryzae of Super Early Rice Zhongzao 39
Received date: 2016-09-21
Revised date: 2017-03-23
Online published: 2017-07-10
【Objective】 To clarify the genetic basis of the durable resistance to Magnaporthe oryzae of the super early rice Zhongzao 39,【Method】blast resistance assessment, molecular marker screening and gene sequencing were conducted.【Result】Zhongzao 39, Jinzao 47 and Zhongzu 3 showed positive bands to all the molecular markers for 7 resistant genes Piz, Pi9, Pib, Pi36, Pi64, Pi-d2 and Pi-d3; The resistance performance of Zhongzao 39, were fully consistent with Jinzao 47 and Zhongzu 3 to the 5 isolates collected from Zhejiang and Jiangxi Province, China; Molecular sequencing results showed that all the test materials contain Pi-d2 resistant alleles. 【Conclusion】These results showed that the genetic basis of durable resistance to Magnaporthe oryzae of Zhongzao 39 was contributed by Jinzao 47 and Zhongzu 3.
Key words： molecular marker; resistant gene; gene sequencing; genealogical analysis
Yan LIANG, Zhijuan JI, Yuxiang ZENG, Cuizhen ZHANG, Hanlin WU, Changdeng YANG . Genealogical Analysis on Resistance to Magnaporthe oryzae of Super Early Rice Zhongzao 39[J]. Chinese Journal OF Rice Science, 2017 , 31(4) : 441 -446 . DOI: 10.16819/j.1001-7216.2017.6165 441
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