Photosynthetic characteristics and yield in cocoa hybrids

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dc.contributor.authorBalasimha, D.
dc.contributor.authorAnilkumar, V.
dc.contributor.authorAnanda, K.S.
dc.date.accessioned2014-07-15T06:39:43Z
dc.date.available2014-07-15T06:39:43Z
dc.date.issued2007-02
dc.description.abstractIn cocoa, crossing work involving high yielding and drought tolerant parent trees were undertaken. Nine promising hybrid lines were developed under this programme. These have been planted in the field in a RBD at CPCRI Research Centre, Kidu along with parents. Measurements were made in the field using portable photosynthetic system (Li - 6200), Plant Efficiency Analyzer (Hansatech) and portable pressure chamber for leaf water potential. Photosynthetic parameters were studied in nine hybrids and seven parents with high yield and drought tolerant characteristics. There was variability among the hybrids with respect to photosynthetic characters. Significant differences in these parameters with respect to season were also noted. Drought tolerance was observed among I-21 x NC 42/94 and I-29 x NC 23/43. The results showed that these hybrids retained higher water potential and stomatal regulation comparable to drought tolerant parents. Variability in bean yields among hybrids and parents were noted. High yields were recorded in I-21 x NC 29/66, II-67 x NC 29/66 and II-67 x NC 42/94.
dc.identifier.citationJournal of Plantation Crops, 2008, 36(1):8-11en_US
dc.identifier.urihttp://hdl.handle.net/123456789/4095
dc.language.isoenen_US
dc.publisherIndian Society for Plantation Cropsen_US
dc.subjectcocoa hybridsen_US
dc.subjectdrought toleranceen_US
dc.subjectphotosynthesisen_US
dc.titlePhotosynthetic characteristics and yield in cocoa hybridsen_US
dc.typeArticleen_US

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