Analysis of shoot-forming capacity in vitro in two lines of tomato (Lycopersicon esculentum Mill.) and their hybrids

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概要

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• Shoot differentiation in vitro of tomato plants and transmission of this capacity into hybrids was studied. Most of the results were obtained with hypocotyls. The highest level of shoot formation occurred when IAA and IPA -were given, but the optimum concentration of these growth regulators varied depending on lines and hybrids, on organs treated (hypocotyl and leaf), and on the position of explants in these organs. Histological study of hypocotyl tissues indicated that shoots were differentiated from the callus originating from superficial tissues. The organogenetic capacity of hypocotyls (in terms of the number of shoots per explant) of two lines and their reciprocal F_1 hybrids was modified by exogenous growth regulators. However, one parental line consistently showed a higher organogenetic capacity than the other. With regards to shoot-forming capacity, the reciprocal hybrids showed: 1. maternal effect and 2. heterosis

• 日本植物生理学会の論文

著者

• Ohki Shizuka

  Laboratory Of Olericulture And Floriculture College Of Agriculture Kyoto University

• Bigot Claude

  Laboratoire de Physiologies Vegetale Appliquee, Ecole Nationale Superieure d'Horticulture

• Mousseau Jean

  Laboratoire de Biologie Cellulaire V

• Bigot Claude

  Laboratoire De Physiologies Vegetale Appliquee Ecole Nationale Superieure D'horticulture

関連論文

• Analysis of shoot-forming capacity in vitro in two lines of tomato (Lycopersicon esculentum Mill.) and their hybrids

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