求翻译：为筛选适宜湖南省种植的甘薯新品种，对2010年国家甘薯长江流域薯区8个甘薯新品种，进行区域试验。结果显示，8个参试品种中，浙薯259鲜薯产量最高，达39375 kg／hm2，比对照徐薯22增产32.6％，达到极显著水平；万薯0515-5薯干产量最高，为10242kg／hm2，比对照徐薯22增产9.50％，其干物率也最高，达33.39％；湘薯116食味性最好，为77.5分。试验结果表明：浙薯259、万薯0515-5、济徐23、湘薯116、宁薯16-2、宁薯51-5综合农艺性状表现较好，适宜在湖南省种植。是什么意思？

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