不同基质和环境下荆芥无性繁殖的研究

IF 0.5 Q4 FORESTRY
Letícia Sena, T. O. Bahia, G. Fernandes
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引用次数: 2

摘要

塞拉多(巴西热带稀树草原)生物群由于多次人为活动而严重退化,其恢复对环境质量的恢复至关重要。因此,本研究对茎裂草(Schizachyrium tenerum)组团生产的幼苗的存活和生长进行了试验。试验在温室内进行,在添加和不添加石灰石和氮磷钾的情况下,使用红氧索、“严格感觉”草地营养不良和石英岩红壤营养不良。还比较了在温室和在阳光充足的条件下直接在田间种植的黄芪的成活率。赤红氧化土和添加石灰石的赤红氧化土中培养的黄参幼苗存活率、总生长量、分蘖数和生物量积累量均高于其他处理。幼苗在温室里的成活率是在阳光充足的情况下的三倍。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Vegetative Propagation of Schizachyrium tenerum (Poaceae) Under Different Substrates and Environments
The Cerrado (Brazilian Savanna) biome suffers intense degradation due to several anthropic activities and its recovery is extremely important for the restoration of environmental quality. Therefore, the present study tested the survival and growth of seedlings of the grass Schizachyrium tenerum produced by the division of clumps. The experiment was carried out in a greenhouse using Reddish Oxisol, dystrophic of “cerrado sensu stricto” and Litholic Neosol dystrophic of quartzitic rupestrian grassland with and without the addition of limestone and NPK. Survival of S. tenerum was also compared between being grown in a greenhouse and directly in the field in full sun. Seedlings of S. tenerum had greater survival, total growth, number of tillers and accumulation of biomass when cultivated in Reddish Oxisol and Reddish Oxisol with limestone added than in the other treatments. Seedling survival was three times greater when grown in a greenhouse than in full sun.
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来源期刊
CiteScore
1.80
自引率
12.50%
发文量
20
审稿时长
31 weeks
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