Nucellar regeneration and Polyembryony of citrus cultivars

Nucellar regeneration and Polyembryony of citrus cultivars

Thirty four Citrus cultivars were studied for nucellar embryogenesis and for the extent of polyembryony per seed. Ovule weight had no correlation with the number of nucellar embryos. Also seed weight had no correlation with the number of embryos per seed. The maximum and minimum number of embryos pe...

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Veröffentlicht in:Pakistan journal of botany 2001-06, Vol.33 (2)
Hauptverfasser: Altaf, N, Murwat, E.K, Bhatti, I.A, Iqbal, M.M. (Nuclear Inst. for Agriculture and Biology, Faisalabad (Pakistan))
Format: Artikel
Sprache:eng
Schlagworte:
CITRUS
CULTIVO DE TEJIDOS
CULTURE DE TISSU
DESARROLLO EMBRIONARIO
DEVELOPPEMENT EMBRYONNAIRE
EMBRYONIC DEVELOPMENT
IN VITRO REGENERATION
POLIEMBRIONIA
POLYEMBRYONIE
POLYEMBRYONY
REGENERACION IN VITRO
REGENERATION IN VITRO
TISSUE CULTURE
VARIEDADES
VARIETE
VARIETIES
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Zusammenfassung:Thirty four Citrus cultivars were studied for nucellar embryogenesis and for the extent of polyembryony per seed. Ovule weight had no correlation with the number of nucellar embryos. Also seed weight had no correlation with the number of embryos per seed. The maximum and minimum number of embryos per nucellus were in cvs. Kinnow (7.75) and Baramashi (2.23), respectively. Secondary somatic embryogenesis was also studied which was maximum in cv. Kinnow (8.40) and minimum in cv. Baramashi (2.90). Maximum and minimum polyembryony were in cultivars Minneola (7.50) and Orlando (2.75), respectively which indicated that nucellar embryogenesis was cultivar dependent. The soil survival after two months hardening process was maximum in cvs. Minneola (100 %), Shamber (100 %), Foster (100 %), Gada dehi (100 %) and minimum in cv. Baramashi (10.00%).
ISSN:0556-3321