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A Thornless Trifoliate Orange from Self-pollination

Kenji Kawase, Masashi Hirai

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Abstract

Abstract A thornless variant of the trifoliate orange [ Poncirus trifoliata (L.) Raf.] was found as a chance seedling. All other characters were indistinguishable from those of normal trifoliate. Genotypes of the variant at loci controlling GOT isozymes were PP,SS , whereas those of the normal trifoliate orange have been reported to be MP,SM . The variant is concluded to arise from spontaneous inbreeding of normal thorny trifoliate orange. The variant showed poor growth.

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What this paper is about

Abstract A thornless variant of the trifoliate orange [ Poncirus trifoliata (L.) Raf.] was found as a chance seedling. All other characters were indistinguishable from those of normal trifoliate. Genotypes of the variant at loci controlling GOT isozymes were PP,SS , whereas those of the normal trifoliate orange have been reported to be MP,SM . The variant is concluded to arise from spontaneous inbreeding of normal thorny trifoliate orange. The variant showed poor growth.

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Available abstract

Abstract A thornless variant of the trifoliate orange [ Poncirus trifoliata (L.) Raf.] was found as a chance seedling. All other characters were indistinguishable from those of normal trifoliate. Genotypes of the variant at loci controlling GOT isozymes were PP,SS , whereas those of the normal trifoliate orange have been reported to be MP,SM . The variant is concluded to arise from spontaneous inbreeding of normal thorny trifoliate orange. The variant showed poor growth.

Key concepts: Trifoliate orange, Biology, Orange (colour), Seedling, Botany, Horticulture

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