MOVEMENT OF THE FLOWER STIMULUS IN XANTHIUM |
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| Authors: | Shue-Lock Lam |
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| Institution: | Department of Horticulture, Purdue University, Lafayette, Indiana |
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| Abstract: | A distribution pattern of the flower stimulus is clearly demonstrated. The direction of the movement of the flower stimulus could be altered either by application of GA or by removal of the plant organs concerned. Dormant buds responded to the flower stimulus provided that the flower stimulus was forced down by means of decapitation and disbudding or was raised to a high level by increasing the number of the inductive cycles. A photoperiodically insensitive leaf which had been exposed to short days can still exert the inhibitory effect on flowering. |
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