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Crop Science Abstract - Crop Breeding & Genetics

Selection and Use Recommendation in Hybrids of Ornamental Banana

 

This article in CS

  1. Vol. 52 No. 2, p. 560-567
     
    Received: June 17, 2011


    * Corresponding author(s): hilosouza@gmail.com
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doi:10.2135/cropsci2011.06.0325
  1. Janay A. Santos-Serejoa,
  2. Everton H. Souza *b,
  3. Maria A. P. C. Costac,
  4. Davi S. Costa Juniorc,
  5. Edson P. Amorima,
  6. Sebastião O. Silvaa and
  7. Fernanda V. D. Souzaa
  1. a Embrapa Cassava and Fruits, Brazilian Agricultural Research Corporation, 44380-000, Cruz das Almas, BA, Brazil
    b Center of Nuclear Energy in Agriculture, Univ. of São Paulo, 13400-970, Box 96, Piracicaba, SP, Brazil
    c Center of Agricultural, Environmental and Biological Sciences, Federal Univ. of Recôncavo da Bahia, 44380-000, Cruz das Almas, BA, Brazil. J.A. Santos-Serejo and E.H. Souza contributed equally to this work

Abstract

The ornamental market is dynamic and demands constant novelties. The use of fruit crops as ornamental plants can be an interesting alternative with very differentiated and original products. The banana germplasm bank at Embrapa Cassava and Fruits has been primarily used in the breeding program for generating new cultivars as food. To diversify and expand the use of this collection, accessions with ornamental potential have been selected to obtain new hybrids. This work was aimed at characterizing the progeny of ornamental Musa L. spp. by grouping the hybrids according to the following uses: landscape plants, potted plants, cut flower, or minifruits. Forty-two hybrids were evaluated with 14 quantitative and 12 qualitative descriptors in three production cycles. In addition, assays for resistance to black and yellow Sigatoka and to Fusarium wilt were performed. Variability was observed for all the characteristics evaluated within progenies, especially with regard to leaf color, fruit, peduncle, rachis, and heart. All evaluated hybrids were resistant to yellow Sigatoka and to Fusarium wilt and were resistant or showed reduced symptoms of susceptibility to black Sigatoka. Most hybrids (82%) presented reduced plant height. After clustering by use category, the hybrids RM 09, RM 38, RM 37, and RM 33 were selected and recommended to be used as cut flowers, minifruits, or landscaping plants.

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