2015
DOI: 10.1590/0034-737x201562020010
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Selection of full-sib families of Panicum maximum Jacq under low light conditions

Abstract: RESUMOThe silvopastoral system is a viable technological alternative to extensive cattle grazing, however, for it to be successful, forage grass genotypes adapted to reduced light need to be identified. The objective of this study was to select progenies of Panicum maximum tolerant to low light conditions for use in breeding programs and to study the genetic control and performance of some traits associated with shade tolerance. Six full-sib progenies were evaluated in full sun, 50% and 70% of light reduction … Show more

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Cited by 5 publications
(3 citation statements)
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References 15 publications
(18 reference statements)
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“…The number of tillers at the control location was higher than the number of tillers in oil palms aged less and more than 5 years (table 4). A decrease in the number of tillers in selected shaded Benggala grass cultivars was also reported by [13] and [14]. Shade changes the intensity and quality of radiation in plants, and affects the potential number of tillers [15].…”
Section: Resultsmentioning
confidence: 65%
“…The number of tillers at the control location was higher than the number of tillers in oil palms aged less and more than 5 years (table 4). A decrease in the number of tillers in selected shaded Benggala grass cultivars was also reported by [13] and [14]. Shade changes the intensity and quality of radiation in plants, and affects the potential number of tillers [15].…”
Section: Resultsmentioning
confidence: 65%
“…Photosynthetically active radiation influences the increment of the specific leaf area (Victor et al, 2015) interfering in the leaf area index (LAI) (Gastral and Lemaire, 2015;Gomes et al, 2019), as well as in the tiller population (Queiroz et al, 2018), in which this population can be reduced, but compensated by the increase in the specific leaf area. This compensation effect is considered a mode of plant adaptation to low light conditions.…”
Section: Solar Radiationmentioning
confidence: 99%
“…is the most productive tropical forage propagated from seed, and is used worldwide due to its high productivity, forage quality and adaptability to different soil and climatic conditions (Jank et al, 2010). Brazil has a large germplasm bank, which has allowed for improvement of this species (Victor et al, 2015). Panicum maximum is a C 4 forage plant with high yield potential.…”
Section: Introductionmentioning
confidence: 99%