GARLIC QUALITY AS A FUNCTION OF SEED CLOVE HEALTH AND SIZE AND SPACING BETWEEN PLANTS

Authors

  • Mayky Francley Pereira de Lima Department of Mathematics and Statistics, Universidade do Estado do Rio Grande do Norte, Mossoró, RN http://orcid.org/0000-0002-4405-7354
  • Welder de Araújo Rangel Lopes Department of plant sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN http://orcid.org/0000-0002-9380-6710
  • Maria Zuleide de Negreiros Department of plant sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN http://orcid.org/0000-0002-0665-326X
  • Leilson Costa Grangeiro Department of plant sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN http://orcid.org/0000-0002-4613-3605
  • Hiago Costa de Sousa Department of plant sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN http://orcid.org/0000-0003-3109-6407
  • Otaciana Maria dos Prazeres da Silva Department of plant sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN http://orcid.org/0000-0002-0634-5419

DOI:

https://doi.org/10.1590/1983-21252019v32n413rc

Keywords:

Allium sativum L. Soluble solids. Pungency. Industrial index.

Abstract

Garlic has a worldwide economic importance; this vegetable can be consumed fresh or processed by food industries. However, few studies evaluate its postharvest quality. It is necessary to establish cultural practices and methods that focus not only on increase of yield, but on obtaining a product with better postharvest quality. The objective of this work was to evaluate the bulb quality of conventional garlic and virus-free garlic as a function of seed clove size and space between plants. Two experiments were conducted simultaneously in Portalegre, Rio Grande do Norte, Brazil. A randomized block experimental design with four replications was used in both experiments. The treatments were arranged in split-plots, with the seed clove size (large and small) in the plots, and the plant spacings (7.5, 10.0, 12.5, and 15.0 cm between plants) in the subplots. The use of large seed cloves resulted in higher bulb diameter and titratable acidity (TA). Soluble solids (SS), total soluble sugars, SS to TA ratio, and total solids decreased as the space between plants was increased, regardless of the seed health and seed clove size. Virus-free garlic seed cloves planted with spacing of 12.5 and 15.0 cm resulted in higher bulb diameter, TA, pungency, and industrial index, i.e., they produced better quality bulbs with good prospects for industrialization.

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Published

19-11-2019

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Section

Agronomy