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首页> 外文会议>Gamma Field Symposia no.43; Symposium on Improvement of Crop Productivity and Mutation; 20040714-15; Ibaraki-ken(JP) >STARCH ACCUMULATION AND DRY MATTER YIELD IN SWEETPOTATO
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STARCH ACCUMULATION AND DRY MATTER YIELD IN SWEETPOTATO

机译：马铃薯的淀粉积累和干物质产量

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摘要

In Japan, sweetpotato (Ipomoea batatas (L.) Lam.) is consumed not only as a food but also as a raw material of starch industry. However, the use of sweetpotato as starch decreased drastically in the 1960s and 1970s, when other starches, such as corn or cassava, were imported. Sweetpotato production in Japan had been about 400,000 ha in 1960, but it has decreased by one-tenth in the last 40 years. During this time, research into starch accumulation in sweetpotato has also changed. At first, sweetpotato researchers concentrated on reducing the cost of starch production by increasing the starch yield. They were interested in the quantitative issue of starch accumulation in storage roots. After the Uruguay Round Agreement, sweetpotato starch research centered on the quality of starch in Japan. Efforts were made to modify the properties of sweetpotato starch to overwhelm the foreign competition. The physiology of starch accumulation is reviewed in this paper from the viewpoint of the sink-and-source relationship. The primary focus is on the quantity of starch. In addition, recent results from breeding experiments designed for improving the quality of starch in sweetpotato are introduced.
机译：在日本，甘薯（番薯（Ipomoea batatas（L.）Lam。））不仅作为食品消费，而且作为淀粉工业的原料消费。但是，在1960年代和1970年代，进口其他淀粉（例如玉米或木薯）后，甘薯作为淀粉的使用急剧减少。 1960年，日本的甘薯产量约为40万公顷，但在过去40年中却减少了十分之一。在此期间，对甘薯中淀粉积累的研究也发生了变化。首先，甘薯研究人员致力于通过增加淀粉产量来降低淀粉生产成本。他们对储存根中淀粉积累的定量问题感兴趣。根据乌拉圭回合协议，甜薯淀粉研究的重点是日本的淀粉质量。努力改变甘薯淀粉的特性，以压倒国外竞争。本文从源库关系的角度对淀粉积累的生理机制进行了综述。主要重点是淀粉的量。此外，还介绍了旨在提高甘薯中淀粉质量的育种实验的最新结果。

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