Coffee Berry Borer Resistance in Coffee Genotypes

Brazilian Archives of Biology and Technology

Gustavo Hiroshi Sera¹  Tumoru Sera¹  Dhalton Shiguer Ito¹  Claudionor Ribeiro Filho¹  Amador Villacorta¹  Fabio Seidi Kanayama¹  Clayton Ribeiro Alegre¹  Leandro Del Grossi¹ 

[1] ,Área de Melhoramento e Genética Vegetal Instituto Agronômico do Paraná Londrina PR ,Brasil

关键词: Breeding;    Coffea;    cultivars;    Hypothenemus hampei;    Psilanthus;   

DOI  :  10.1590/S1516-89132010000200003

来源: SciELO

【 摘 要 】

The aim of this study was to evaluate the coffee germplasm of the Paraná Agronomic Institute (IAPAR) for resistance to the coffee-berry-borer. Preliminary field evaluation was performed in August 2004 and the fruits of less damaged genotypes in the field were evaluated under controlled condition with obligated and free choice experiments established in a randomized complete design with three replications. The genotypes were evaluated fifteen days after infestation with one borer per fruit in Petri dishes. The data were analyzed by the Scott-Knott means test at 1 % and by the χ2 test. Statistical analysis indicated that Coffea kapakata, Psilanthus bengalensis, C. eugenioides and genotypes with C. eugenioides genes were resistant. These genotypes presented low frequency of bored grains. C. eugenioides and C. kapakata could present resistance at epicarp level but not in the grain. P. bengalensis could present resistance also in the grains.

【 授权许可】

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