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Acta Agron Sin ›› 1989, Vol. 15 ›› Issue (01): 46-52.

• ORIGINAL PAPERS • Previous Articles     Next Articles

A Study on the Crossability of Species between Group A and B in the Section Batatas of Genus Iponoea

Lu Shu yun;T.Kokubu M.Sato   

  1. Dept.of Agronomy Beijing Agri.Univ.Beijing
  • Received:1988-01-02 Revised:1988-12-13 Online:1989-01-12 Published:1989-01-12

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Abstract: In general successful crossing between different groups of section Batatas is impossibleunder natural conditions.It is necessary to ascertain the cause of sterility by anatomical ob-servations.Four species were used:I.trifida(4x)(K 300-5)and I.littoralis(4x)(K 233-1)of group B,I.tiliacea(4x)(K 270-5

Key words: Interspecific cross, Crossability, Fertilized egg cell, Endosperm nuclei

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