title: Effect of hormones on nucleolar growth and vacuolation in elongating cotton fibers.
abstract: A rather precise combination of the three phytohormones, gibberellic acid, auxin, and abscisic acid, is necessary for the considerable growth of fiber nucleoli in Gossypium hirsutum L. for about 8 days after anthesis and for nucleolar "vacuolation" in the second half of that period. Nucleolar growth and vacuolation must occur in a precise sequence for the fiber to reach a good final length. Nucleolar vacuolation indicates simultaneous output and neosynthesis of nucleolar material.
authors.affiliation: Laboratory of Tropical Crop Husbandry, Catholic University of Leuven, Kard. Mercierlaan 92, B-3000, Leuven, Belgium.
authors.forename: E
authors.initials: E
authors.lastname: De Langhe
authors.forename: S
authors.initials: S
authors.lastname: Kosmidou-Dimitropoulou
authors.forename: L
authors.initials: L
authors.lastname: Waterkeyn