<正> Mesophyll protoplasts of two cultivars of Nicotiana rustica L. were cultured in Nagata-Takebe me-dium. The callus formed was inoculated onto a modified MS media (MSBI, MSBN) to induce organo-genesis. Greenish outgrowths, which developed from the callus of only one cultivar, were transferredagain to basic medium without plant growth regulators (MS_ο). These greenish spots developed further intoflower buds under various light conditions. Especially leafless flower buds formed directly from a partof greeni...
【英文摘要】
Mesophyll protoplasts of two cultivars of Nicotiana rustica L. were cultured in Nagata-Takebe me-dium. The callus formed was inoculated onto a modified MS media (MSBI, MSBN) to induce organo-genesis. Greenish outgrowths, which developed from the callus of only one cultivar, were transferredagain to basic medium without plant growth regulators (MS_ο). These greenish spots developed further intoflower buds under various light conditions. Especially leafless flower buds formed directly from a partof greenish o...
【正文快照】
Floral bud initiation 15 a symptom marking the pr叩ression of plants from the vegetativestage to the reProductive stage.’rhe Ineehanism involved in floral induetion has been the sub-jeet of numerous physiologieal studies.As early as 1946,Loo observed tha
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