埃塞俄比亚奥罗米亚地区西哈拉尔河地区低地竹繁殖技术评价

Alemayehu Diriba, Shimelis Dekeba, W. Gizaw
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引用次数: 2

摘要

竹子在亚洲和非洲有多种用途,从建筑到美味,还有一些令人满意的品质,使其成为与许多其他植物相比有用的资源。例如;用作食品和饲料防腐剂、建筑、医药用途、自然保护、木炭和能源、艺术和文化、审美价值、金融回报和环境保护。竹子还有一个独特的特点,那就是比任何其他树种都生长得快,除了结果外,在种植三到四年后就开始发挥效用。结出饱满的果实需要50年以上的时间。因此,为了获得效用,必须通过各种传播方法来提高效用。在这次审判中;采用RCBD设计,在膜石斛(Dendrocalmus membracius)、hamlitonii石斛(Dendrocalmus hamlitonii)和深草竹(Oxytenanthera abyssinica)上分别进行了3个重复的茎切、插切和分枝切繁殖。因此,在本试验中,竹材繁殖技术方法中;在考虑到提供充足的种植材料的基础上,建议对竹根茎进行偏移扦插,然后再进行枝条扦插。结果显示治疗间和治疗内的高度显著差异(p<0.001)水平以及基于给定参数的相互作用效应。不管这个事实;以竹笋新梢数为指标,平均笋梢数最高的竹种是竹节扦插,其次是膜质竹节扦插,平均笋梢数最低的竹种是深草竹(Oxytenanthera abyssinica)。根据根颈直径、茎长和节数等参数,横切种植的平均值最高,而横切种植的平均值最低(表2)。尽管如此,我们建议竹种中横切种植的分别是横切种植的小石斛和横切种植的小石斛,其次是深石竹。茎切种植部位的平均值较高的只有石竹(Dendrocalmus hamlitonii),而枝切种植部位的平均值较高的只有石竹(Dendrocalmus membrane)(表2)。总的来说,本研究是在Mechara下采用茎切、补偿切和枝切技术对低地竹(Dendrocalmus membrane、Dendrocalmus hamlitonii和Oxytenanthera abyssinica)进行的繁殖,对于相关的农业生态区是值得信赖的。本研究通过扩大种植材料的完整包装,倡导这些技术为不同利益相关者带来进一步的经济和生计效益。
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Evaluation of Lowland Bamboo Propagation Techniques in West Hararghe Zone, Oromia Region, Ethiopia
Bamboo has diverse utility ranging from construction to delicacy in Asia and Africa, and also several desirable qualities that make it a useful resource compared to many other plants. For example; it uses as food and feed preservative, construction, medicine purpose, natural conservation, charcoal and energy, arts and culture, aesthetic value, financial return and environment protection. Bamboo has additional unique characteristic that a fast growing plant than any other tree species and starts to give utility within three or four years of planting time in the exception of bearing fruits. To give fruit full seed takes a long time that after 50 years old. So to get its utilities has to be raised through various propagation methods. In this trial; propagations with culm cut, offsets cut and branch cut on Dendrocalmus membracius, Dendrocalmus hamlitonii and Oxytenanthera abyssinica bamboo species had been executed in RCBD design with three replications, respectively. So that in this experiment, among the methods of bamboo propagation technique; offset cutting (bamboo rhizome) followed by branch cut had been recommended based on consideration of giving adequate planting materials. The outcomes showed highly significant difference at (p<0.001) level between and within treatments as well as interaction effect based on the given parameters. Regardless of this fact; the highest mean value discovered under Dendrocalmus hamlitonii bamboo species with culm cut planting followed by Dendrocalmus memebranceous with branch cut planting, while the least mean value was recorded under Oxytenanthera abyssinica with culm cut planting based on number of new emerging bamboo shoot parameter. Based on root collar diameter, Length of shoot and number of node parameters, the highest mean value recorded under Dendrocalmus hamlitonii and Dendrocalmus memebranceous with offset cut planting, while the least mean value was recorded under Dendrocalmus hamlitonii with branch cut planting, respectively (Table 2). Despite this fact, the recommend that with offset cut plating for Dendrocalmus hamlitonii and Dendrocalmus memebranceous of bamboo species followed by Oxytenanthera abyssinica. The Culm cut planting parts designated higher mean value for Dendrocalmus hamlitonii bamboo species only, while branch cut planting designated higher mean value for Dendrocalmus memebranceous bamboo species only (Table 2). Generally, the study was propagations of lowland bamboo species (Dendrocalmus membracius, Dendrocalmus hamlitonii and Oxytenanthera abyssinica) with culm cut, offsets cut and branch cut techniques under Mechara and for related agro ecology zones is trustworthy so, the research advocated these technologies with further economic and livelihood benefits for different stakeholders through expanding the plantation materials with full package.
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