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Influence of CCC and dark period on the length of the stem of chrysanthemum


, : Influence of CCC and dark period on the length of the stem of chrysanthemum. Acta Horticulturae 1974; (43, II): 375-380

Pot plants of the chrysanthemum cvs Graceland and Yellow Graceland were drenched with 2500 p.p.m. CCC (chlormequat), either as a single dose on 30 July or twice on 15 and 30 July, or subjected to short days (12.5 h of darkness) from 5 July to 9 September. Controls were grown in normal daylength (about 9 h of darkness). The dark-grown plants produced longer flower stems than the controls, but shorter stems than the CCC treatments. The longest stems were produced with the single drench.


Accession: 000116325

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