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Floral initiation in pear trees


, : Floral initiation in pear trees. Acta Horticulturae (34): 193-198

An analysis of several thousand spurs of Bartlett pear showed that leaves promote whereas fruit or seeds inhibit floral initiation in the terminal buds. On spurs with a low leaf number chlormequat and daminozide had a promoting effect on floral initiation, but GA3 was inhibitory.

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Related references

Rajput, C.B.S.; Teskey, B.J.E., 1977: Floral initiation in young trees of Golden Delicious apple and 'Bartlett' Pear under greenhouse conditions. Two-year-old dormant trees flowered soon after resumption of growth when taken into a greenhouse in early February irrespective of whether or not they had been sprayed with one of three growth regulators. The apple Golden Delicious set some fruit...

Carrera, M., 1982: Floral initiation in pear varieties. Acta Horticulturae: (124) 157-163

Carrera, M., 1982: Floral initiation in pear varieties in Zaragoza, Spain. Acta Horticulturae: (124) 157-163

Soenen, A.V.nwetswinkel, G.P.ternotte, E., 1971: Phenology of floral bud development in apple and pear trees

Sanz, M.; Montanes, L.; Carrera, M., 1994: The possibility of using floral analysis to diagnose the nutritional status of pear trees. The nutritional analysis of floral parts, could give appreciably earlier results than leaf analysis in pear trees. The possibility of using this method to predict leaf Fe and Mn contents 120 days after full bloom were explored. Flower Fe content s...

Wilkie, J.D.; Sedgley, M.; Olesen, T., 2008: Regulation of floral initiation in horticultural trees. The intention of this review is to discuss floral initiation of horticultural trees. Floral initiation is best understood for herbaceous species, especially at the molecular level, so a brief overview of the control of floral initiation of <i&g...

Huet, J., 1972: Study of the effects of leaves and fruit on floral induction of the brachyblasts of pear trees. Physiologie vaegaetale: t 10 (3) 529-545

Kim JeamKuk; Kim SeungHeui; Yim YoulJae; Seo HyeongHo, 2004: Shoot growth and mineral concentration in 'Niitaka' pear trees with floral bud necrosis. The factors causing flower bud necrosis in pear cv. Niitaka were determined in experiments conducted during 2000-03. The affected flower buds did not bloom and finally died, leaving loose and desiccated bud scales that eventually disintegrated. Fl...

Wei, Jun, 1994: Changes of endogenous polyamines in leaf and floral buds of pear trees during growth and dormancy. It was found that five kinds of polyamines (putrescine, cadaverine, hexanediamine, spermidine and spermine) existed in the leaf and floral buds of pear trees during growth. But during dormancy, only three kinds of polyamines (putrescine, spermidin...

Rohozinski J.; Edwards G.R.; Hoskyns P., 1986: Effects of brief exposure to nitrogenous compounds on floral initiation in apple trees. Exposure of apple trees (Malus pumila L. cv. Jonathan) to ammonia or sub-toxic levels of simazine resulted in increased arginine levels and floral initiation. Infiltration with polyamines also increased floral initiation indicating that polyamines...