利用修剪技术提高工业木薯无性系地上部分的营养价值

Q4 Agricultural and Biological Sciences
F. D. Fernandes, R. Guimarães Júnior, E. Vieira, J. F. Fialho, J. Malaquias
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引用次数: 1

摘要

本研究旨在评估修剪对适应巴西中部塞拉多地区的工业用木薯无性系空中部分淀粉产量和营养价值的影响。4个优秀无性系在种植后12个月进行全梢修剪或不梢修剪,采用随机完全区组设计,3个重复。植物在种植18个月后进行评估。无性系330/09在不修剪和不修剪的情况下根系产量最高,地上部分的淀粉产量、干质量、干质量和粗蛋白质产量也较高。在修剪植株中,117/09和359/09无性系表现突出,地上部分粗蛋白质含量和干物质体外消化率较高。因此,当在动物饲料中使用木薯的空中部分时,这些克隆是一种选择。12月龄全修剪显著提高了地上部分粗蛋白质含量和干物质体外消化率,提高了地上部分的营养价值。然而,修剪确实降低了根的淀粉产量以及根和地上部分的总产量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Pruning as a strategy to improve the nutritional value of the aerial parts of industry- purpose cassava clones
ABSTRACT The present study aimed to assess the influence of pruning on the starch yield and nutritional value of the aerial parts of industry- purpose cassava clones adapted to the Cerrado region of Central Brazil. Four elite clones were submitted to either total shoot pruning or no pruning at 12 months after planting, in a randomized complete block design with three replications. Plants were evaluated eighteen months after planting. Clone 330/09 presented the highest root yield with and without pruning, and also higher starch yield, green and dry mass yields, and crude protein yield of aerial parts without pruning. In plants that were pruned, clones 117/09 and 359/09 stood out, with higher yields of the crude protein content of the aerial part and a higher in vitro digestibility of the dry matter. These clones are therefore an option when using the aerial parts of cassava in animal feed. Total pruning at 12 months of age significantly increased the crude protein content and in vitro digestibility of the dry matter of the aerial parts, improving its nutritional value. Pruning did, however, reduce the starch yield of the roots and the total yields of the roots and aerial parts.
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来源期刊
Revista Brasileira de Saude e Producao Animal
Revista Brasileira de Saude e Producao Animal Agricultural and Biological Sciences-Animal Science and Zoology
CiteScore
0.70
自引率
0.00%
发文量
16
审稿时长
21 weeks
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