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The influence of flowering compounds on 'Sugarloaf' pineapple (Ananas comosus (L.) Merr.) in Ghana


, : The influence of flowering compounds on 'Sugarloaf' pineapple (Ananas comosus (L.) Merr.) in Ghana. Acta Horticulturae (49): 157-165

An experiment was conducted to test the effects of flowering compounds applied to 35-, 38-, 42-, and 46-week-old Sugarloaf pineapple plants. The compounds, alpha -NAA, BOH ( beta -hydroxy ethyl hydrazine), CaC2 and ethephon (with water as control), significantly retarded vegetative growth and affected the formation of slips and ground suckers, peduncle and crown size, and lodging.

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Related references

Norman J.C., 1975: The influence of flowering compounds on sugarloaf pineapple ananas comosus in ghana. Acta Horticulturae (Wageningen) 49: 157-165

Norman, J.C., 1978: Influence of planting materials on growth, flowering and fruiting of 'Sugarloaf' pineapple, Ananas comosus (L) Merr. Plants derived from crowns or slips were more vigorous than those from suckers, but plants from suckers flowered and fruited earlier.

Norman, J.C., 1972: The influence of some compounds on the growth and flowering of Ananas comosus (L.) Merr. cultivar Sugarloaf. Pineapple cv. Sugarloaf plants aged 35, 38, 42 and 46 weeks were treated in the field with NAA, BOH, calcium carbide or Ethrel (ethephon). All compounds reduced leaf growth significantly compared with water-treated controls. Treated plants flowere...

Norman, Jc, 1978: Influence of ethephon (2 chloroethylphosphonic acid) n maturing fruits of Sugarloaf pineapple, Ananas comosus (L.) Merr. Acta Horticulturae 84: 15-219

Norman, Japhet-Christian, 1982: Growth, flowering and fruiting of Sugarloaf pineapple, Ananas comosus (L.) Merr., as influenced by growth regulators and cultural practices

Norman J.C., 1977: Influence of planting materials on growth flowering and fruiting of sugarloaf pineapple ananas comosus. Acta Horticulturae (Wageningen) (84): (1978)

Norman, J.C., 1978: Responses of 'Sugarloaf' pineapple, Ananas comosus (L.) Merr., to plant population densities. Nine population densities of Sugarloaf pineapple ranging from 17 000 to 57 000 plants/ha were compared. Increasing plant population increased total fruit yield but decreased individual fruit weight and length, peduncle thickness, and slip number a...

Norman, J.C., 1980: Effects of storage and type of planting material on Sugarloaf pineapple, Ananas comosus (L) Merr. Cv. Sugarloaf pineapple crowns and slips were stored for 4, 8, 12 or 16 weeks at 22-28 deg C. Material stored for 20 or 24 weeks was too dry to be planted. Storage retarded vegetative growth, delayed flowering and fruit maturity, and depressed fru...

Norman, J.C., 1977: Influence of ethephon on net assimilation rate, relative growth rate and leaf area index of 'Sugarloaf' pineapple (Ananas comosus (L.) Merr.). A field experiment was conducted to study the effects of ethephon on net assimilation rate (NAR), relative growth rate (RGR) and leaf area index (LAI) of pineapple cv. Sugarloaf. The results demonstrated that ethephon decreased RGR, NAR and LAI an...

Nayar, N.K.; Balakrishnan, S.; Nair, K.K.R., 1978: Radiation as a stimulant for early flowering in pineapple (Ananas comosus Merr.) variety Kew. Three-month old pineapple suckers were irradiated with gamma rays at 4-6 krad and planted in the field in June. Sixteen months later irradiation at 4 krad had induced 100% flowering, whereas none of the untreated controls had flowered. Data are al...