NDLI: Selection strategy in families of energy cane based on biomass production and quality traits

Content Provider	Springer Nature Link
Author	Silveira, Luís Cláudio Inácio Brasileiro, Bru Portela Kist, Volmir Weber, Heroldo Daros, Edelclaiton Peternelli, Luiz Alexandre Barbosa, Márcio Henrique Pereira
Copyright Year	2015
Abstract	The aim of this study was to identify the traits that most affect production of sugarcane, fiber and lignin content (LIG) with a view toward optimizing the process of assessment and selection of families of energy cane. Fifty full-sibs families were assessed using an incomplete-block design, with five replications. The traits assessed were mean stalk height (SH), mean stalk diameter (SD), mean number of stalks per plant (NS), mean stalk weight (SW), fiber content (FIB), LIG, tons of cane per hectare (TCH), tons of fiber per hectare (TFH) and tons of lignin per hectare (TLH). Based on path analysis, it was possible to observe that the traits SW and NS, in that order, exhibited the greatest direct effects on TCH, TFH, and TLH. These traits they were indirectly affected to a greater degree by NS. The direct effects of FIB, LIG, SH, and SD on TCH, TFH, and TLH were smaller than the residual effects on the analyses carried out, showing their little importance in the selection process. The increase of TFH and TLH mainly occur due to greater biomass production, which is associated with greater tillering capacity and with the SW of the families. Thus, selection of families with greater FIB might not show genetic gains if the mean values for TCH of their offsprings are low. Therefore, selection of the best families for energy cane should be carried out based on TCH, which may be estimated by way of NS and SW.
Starting Page	443
Ending Page	455
Page Count	13
File Format	PDF
ISSN	00142336
Journal	Euphytica
Volume Number	204
Issue Number	2
e-ISSN	15735060
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-01-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Saccharum spp. Biomass Fiber Lignin Genetic correlation Plant Sciences Plant Genetics & Genomics Plant Pathology Plant Physiology Biotechnology
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Horticulture Agronomy and Crop Science

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