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KMID : 0903619870280010066
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Journal of the Korean Society for Horticultural Science
1987 Volume.28 No. 1 p.66 ~ p.76
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Self - incompatibility , Self - compatibility , and Sterility in Hibiscus syriacus L.
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Yeam Do-Yi
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Abstract
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Several phenomena were investigated to clarify the nature of self-incompatibility in Hibiscus syriacus L. Eleven plants were crossed in diallel to obtain the genetic information of self-incompatibility and classified into groups showing different self-incompatibility reactions.
Percent seed set after self-pollination ranged from 0% to 100%, suggesting that the self-incompatibility in hibiscus plants were modified by pseudo self-compatibility. Not only cultivars but also indivisual plants showed different self-incompatibility reactions.
Percent capsule set was highly correlated with number of seeds per capsule and with percent seed per capsule in the same female parent. Above items could be used as the criteria to judge the combination to be compatible or incompatible.
Eleven hibiscus plants could be classified into three groups, I, S, and C, which contained 7, 1, and 3 plants, respectively. Group I was intra-incompatible and inter-compatible, while group C was self-and cross-compatible. Group S was self-incompatible and mostly cross-incompatible as a female parent, but cross-compatible as a male parent.
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