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Paclobutrazol increases fruiting in container grown Pummelo and Barbados cherry

Author

Listed:
  • Michelini, Stan
  • Chinnery, Louis E.

Abstract

Five concentrations of paclobutrazol ('Cultar') were applied as a soil drench to container grown pummelo (Citrus grandis), grafted on either sour orange (Citrus aurantium) or alemow (Citrus macrophylla), and Barbados cherry (Halpighia glabra). The citrus received between 0.03 and 0.5 g and the cherry between 0.005 and 0.5 g a.i. per container. Paclobutrazol had no effect on the increase in caliper of the pummelo scion and sour orange but it reduced it on alemow. On both rootstocks, 10% of the trees bore fruit in the 0.5 g a.i. treatment compared with 30% in the control and less than 1% in field plantings. Barbados cherry produced 111% more fruit in the highest treatment than in the control. It is concluded that paclobutrazol may be useful in tropical situations to induce flowering by simulating drought conditions when rainfall is abundant

Suggested Citation

  • Michelini, Stan & Chinnery, Louis E., 1987. "Paclobutrazol increases fruiting in container grown Pummelo and Barbados cherry," 23rd Annual Meeting, August 23-28, 1987, St. John's, Antigua 260366, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs87:260366
    DOI: 10.22004/ag.econ.260366
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