2009年国家甘薯品种区试南方薯区湛江点试验结果分析

为筛选适合湛江乃至粤西地区栽种的甘薯新品种,对2009年国家甘薯品种区域试验南方薯区湛江点的试验结果进行分析。结果显示,11个参试品种中,龙薯21鲜薯产量最高,达34416.0 kg/ha,比对照金山57增产25.3%;广薯42薯干产量最高,为9081.0 kg/ha,比对照金山57增产37.3%,其干物率也最高,达31.98%;金山208食味性最好,为4.5分。综合得出适合湛江地区栽种的甘薯品种有：龙薯21、榕薯756、广薯42、普薯05-31、桂薯16号和金山208。

Analysis on national regional trial of sweet potato varieties in southern China at Zhanjiang in 2009

The present study has been conducted to screen new sweet potato varieties suitable for planting in Zhanjiang and west regions of Guangdong.The present paper analyzed the results of national sweet potato variety test in southern area at Zhanjiang conducted during 2009.The results showed that among 11 tested varieties,the fresh root tuber yield of Longshu 21 was the highest（34416.0 kg/ha） and found 25.3% higher than the control.The dry root tuber yield of Guangshu 42 was the highest（9081.0 kg/ha） and found 37.3% higher than the control.The dry matter content of this variety was also the highest（31.98%）.The edible taste of Jinshan 208 was the best with 4.5 score value.The preliminary study results revealed that varieties Longshu 21,Rongshu 756,Guangshu 42,Pushu 05-31,Guishu 16 and Jinshan 208 were suitable for planting in Zhanjiang.