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- Title
EFEITO DA IRRIGAÇÃO NO RENDIMENTO E QUALIDADE DE FIBRAS EM CULTIVARES DE ALGODOEIRO HERBÁCEO1.
- Authors
ZONTA, JOÃO HENRIQUE; CORTEZ BEZERRA, JOSÉ RENATO; SOFIATTI, VALDINEI; CORREIA FARIAS, FRANCISCO JOSÉ; DE CARVALH, LUIZ PAULO
- Abstract
This study was conducted to evaluate seed cotton yield, fiber yield, and fiber quality traits of cotton cultivars grown under different irrigation levels in Brazil. The experiment was conducted over two years in the region of Apodi -- RN, with sprinkler irrigation. Treatments comprised of 4 irrigation levels i.e., 130, 100, 70 and 40 % of the crop evapotranspiration (ETc) and 4 cotton cultivars i.e., FiberMax 993, BRS 286, BRS 336 and BRS 335. The experimental design was factorial with randomized complete block design and four replicates. Yield, lint percent and fiber quality traits determined were evaluated. Different responses were observed for cultivars at various irrigation levels. Cultivars grown under limited irrigation exhibited a decline in the seed cotton yield, lint percent, and fiber quality. Cultivars with the highest yield and lint percent were FiberMax 993 and BRS 286. Within irrigation level of 40 % ETc, the medium fiber cultivars produced short fibers whereas the long fiber cultivar, BRS 336, produced medium fiber length. Overall, the different levels of water deficits did not significantly affect fiber quality of the four cultivars tested as all fiber quality traits remained acceptable for the domestic textile industry.
- Publication
Revista Caatinga, 2015, Vol 28, Issue 4, p43
- ISSN
0100-316X
- Publication type
Article
- DOI
10.1590/1983-21252015v28n405rc