Agronomic performance of 27 cocoa progenies and plant selection based on productivity, self-compatibility and disease resistance

Revista Ceres

Milton Macoto Yamada²  José Luis Pires²  Fábio Gelape Faleiro¹  Uilson Vanderlei Lopes²  Mariosvaldo Morais Macedo¹ 

[1] ,Centro de Pesquisas do Cacau Setor de Genética Itabuna Bahia ,Brasil

关键词: Theobroma cacao;    clones;    hybrids;    genetics and breeding;    Theobroma cacao;    clones;    híbridos;    genética e melhoramento;   

DOI  :  10.1590/S0034-737X2013000400010

来源: SciELO

【 摘 要 】

The objective of the present work was to evaluate 27 progenies of cocoa crosses considering the agronomic traits and select F1 plants within superior crosses. The experiment was installed in March 2005, in the Experimental Station Joaquim Bahiana (ESJOB), in Itajuipe, Bahia. The area of the experiment is of approximately 3 ha, with a total of 3240 plants. Thirteen evaluations of vegetative brooms, five of cushion brooms and 15 of number of pods per plant were accomplished. Thirty pollinations were made for each selected plant to test for self-compatibility. The production, based on the number of pods per plant, and resistance to witches´ broom indicated CEPEC 94 x CCN 10, RB 39 x CCN 51 and CCN 10 x VB 1151 as superior progenies. All selections tested were self-compatible. The analyses of progenies and individual tree data, associated to visual field observations, allowed the selection of 17 plants which were included in a network of regional tests to determine the phenotypic stability.

【 授权许可】

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