Tob. Reporter, 1992, 119-3, p. 63-5. Tob. Sci, 1992, 36, p. 21-3, ISSN.0361-5693
Delayed topping effects on photoperiod-sensitive flue-cured tobacco
University of Florida, Gainesville, FL, USA
Mammoth type tobacco (Nicotiana tabacum L.) flowers in response to short daylengths, as opposed to conventional or day-neutral tobaccos which flower at a physiological stage of development. In 1987 and 1988, delayed topping treatments of 5, 10, and 15 ...