Journal of Food, Agriculture and Environment

Promising genotypes of common bean in relation to grain yield and resistance to anthracnose in Maringa and Umuarama counties 

Author(s):

Juliana Parisotto Poletine *, Maria Celeste Gonçalves-Vidigal, Gislaine Kelly Coimbra, Leonel Moiana, Pedro Soares Vidigal Filho, Gisele Figueiredo Lacanallo, Sandra Aparecida de Lima Castro

Recieved Date: 2014-01-22, Accepted Date: 2014-03-29

Abstract:

The search for cultivars with high yield and resistance against anthracnose has been well discussed in several Brazilian Plant Breeding Programs, but other agronomic characters should be also considered in order to attend the producer and consumer’s preferences. The objectives of this work were to evaluate the grain yield of 16 common bean genotypes at northwest region of Parana State and to study anthracnose resistance, in field conditions, in laboratory conditions with the inoculations of races 65 and 2047 of Colletotrichum lindemuthianum and also by using SAS 13 molecular marker. The experiments were conducted during 2010 agricultural year in two counties: Maringa and Umuarama, Parana State. A randomized block design constituted of 16 treatments and four repetitions. Individual and joint variance analyses for grain yield revealed significant effects for genotypes, environment and also for interaction G × E. Genetic gain for grain yield was 11.94% in the experiment carried out in Maringa County, while in Umuarama it was about 11.40%. The genotypes that exhibited high grain yield and wide production stability were Perola, Guara, CNFP 10-104, LP-08-90 and LP 07-80. Besides, CNFP 10-104 and Tangara genotypes showed resistance characteristic to races 65 and 2047 of C. lindemuthianum.

Keywords:

Phaseolus vulgaris L., grain yield, genetic resistance, Colletotrichum lindemuthianum

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Agriculture
Pages: 614-619

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