THE IMPORTANCE OF THE GERMPLASM IN DEVELOPING AGRO-ENERGETIC PROFILE SUGARCANE CULTIVARS
THE IMPORTANCE OF THE GERMPLASM IN DEVELOPING AGRO-ENERGETIC PROFILE SUGARCANE CULTIVARS
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DOI：
10.5151/blucheroa-sugarcane-sugarcanebioethanol_35
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
S. Creste;L. Pinto;M. A. Xavier;Marcos Guimarães de;R. Landell
中科院分区：
文献类型：
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作者：
S. Creste;L. Pinto;M. A. Xavier;Marcos Guimarães de;R. Landell
甘蔗改良计划在糖醇工业中发挥着重要作用，因为它们是品种开发的来源，是糖和乙醇生产的主要技术投入。在过去30年中，农业综合企业取得了重大进展，主要是由于遗传改良的突破。在其目标中，增加秸秆糖含量一直是主要目标之一，因为改善这种特性反映了经济利益，因为收获，运输和碾磨成本几乎保持不变。然而，基于生物质生产的能源生产新范式正在兴起：使用整个植物，与糖生产无关。由ALBERT-THENET（2003）提出的能源甘蔗概念强调将具有高纤维含量的甘蔗品种与先前为获得糖和甘蔗渣而生产的品种区分开，从而导致开发具有有利于发电的特性的品种。这种特殊类型的甘蔗预见到高纤维含量（25%）、100吨/公顷年生产率、25%的废料/甘蔗、12%Pol %甘蔗，这将提供每公顷/年约50吨纤维。开发高生物质产量甘蔗品种的一个重要方面涉及使用能量作为优化和选择克隆和/或品种的主要功能。在这种情况下，克隆可以通过它们的初级能量- PE来选择，即，兆焦耳/吨甘蔗（MJ/tc）。种质资源在甘蔗农艺性状育种中的重要性
Sugarcane improvement programs play an important role in the sugar-alcohol industry, as they are the source for developing varieties, the main technological input for sugar and ethanol production. Over the last three decades, important gains were achieved in agribusiness, mostly resulting from breakthroughs in genetic improvement. Among its objectives, the increase in stalks sugar content was always one of the major goals, as improving such feature reflects an economic interest, as harvesting, transportation, and milling costs remain practically unchanged. However, a new paradigm for energy production is rising based on biomass production: to use the whole plant, dissociated from sugar production. The energy cane concept proposed by ALBERT-THENET (2003) emphasizes the differentiation of sugarcane varieties with high fiber content from those previously produced to obtain sugar and bagasse, leading to the development of varieties with characteristics favorable to power generation. This particular type of sugarcane foresees high fiber content (25%), 100 tons/ha.year productivity, 25% of trash/cane, 12% Pol% cane, which would provide around 50 tons of fiber per hectare/year. One important aspect in the development of high biomass yield sugarcane varieties relates to using energy as a primary function to optimize and select clones and/or varieties. In this context, clones may be selected by their primary energy – PE, i.e., megajoule per ton of sugarcane (MJ/tc). THE IMPORTANCE OF THE GERMPLASM IN DEVELOPING AGRO-ENERGETIC PROFILE SUGARCANE CULTIVARS