Abstract
Abstract The adoption of melon hybrids by the productive sector necessitates a prior evaluation of the productivity, quality and shelf life of their fruits. Due to the different environmental conditions under which the hybrids are evaluated, an accentuated genotype-environmental interaction is expected to become apparent and likewise play important role in manifestation of phenotypic traits. The objective of the present work was to evaluate melon hybrids in the state of Rio Grande do Norte. The adaptability and stability of the genetic values were estimated by the HMRPGV method (Harmonic Mean of the Relative Performance of Genetic Values) for the following traits: yield, and soluble solids (SS) content in the period between 2010 to 2015. In 2017, the more promising melon hybrids from previous trials were evaluated under commercial conditions to determine the fruit’s yield, quality and shelf life. The predominance of the complex part of the genotype-environmental interaction was verified for both yield and SS content. Hybrids HC-02 and HC-11 show promising traits when grown under the conditions of the Mossoró-Assu Agricultural Complex owing their high stability, adaptability, yield, and fruit quality. Hybrids HC-02, HC-11, and ‘Hy Mark’ are suitable as international exports due to their long shelf life.
Highlights
Melons (Cucumis melo L) are among the most farmed cucurbits in the world
The aim of this work was to evaluate the performance of Cantaloupe melon hybrids in the MossoróAssu Agricultural Complex, in the state of Rio Grande do Norte, Brazil
Where corresponds to individual heritability in a broad sense in the block; corresponds to the determination coefficient of the genotype x environment interaction effects; s2g is the genotypic variance between hybrids of melons; s
Summary
Melons (Cucumis melo L) are among the most farmed cucurbits in the world. In Brazil, the Northeastern States of Rio Grande do Norte and Ceará are responsible for most of the production and export of the fruit. This achievement owes to climatic conditions of the region, that favor fruit development. The high temperatures (> 28oC), low rainfall (≈ 600 mm ano-1), and high sunlight exposure. The utilization of new technology by farmers is yet another contributing factor that has led to the success of this crops. The European Community is the principal market for the melons grown in the Brazilian Semi-arid region
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