New Zealand Journal of Botany abstracts

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BREEDING SYSTEMS IN NEW ZEALAND GRASSES
VI. CONTROL OF GYNODIOECISM IN CORTADERIA RICHARDII (ENDL.) ZOTOV

H. E. Connor

Botany Division, Department of Scientific and Industrial Reseaich, Christchurch

Abstract Male sterility in gynodioecious C. ricbardii is controlled by a single recessive gene; three genotypes are recognised: MsMs 5, Msms 9, and msms 9. Progenies from crosses to females are superior in vigour to progenies from MsMs 5 and to those from selfed MsMs 5 and Msms 5. In ovule production females have an advantage over hermaphrodites, but this difference and a small difference in germination are insufficient to maintain an equilibrium state except at the lower female frequencies.

N.Z. J. Bot. 3 : 233-42
(Received for publication 15 July 1965)

PDF file of entire paper: medium quality (365K); (scanned from paper original: notes about this process)

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