粤北保护设施秋冬种马铃薯品种比较试验

Comparison study on the potato cultivars in protected field in the North-Guangdong

广东北部山区秋冬季气候极不稳定,为筛选出适合秋冬种的优质马铃薯品种,在保护设施下对经前期初步筛选的4个优质马铃薯品种进行品比试验。结果表明,N552为中晚熟品种,植株生长势好,结薯多,产量产,整体表现最优;E1次之,同为中晚熟品种;F为中早熟品种,植株生长旺盛,商品薯率、产量等综合性状佳,3个品种具较好的推广前景。而中5品种为早熟品种,生长期较短,产量较低,整体表现不理想。

A comparative trial about four potato varieties was carried out for screening out and extended the good potato cultivar suitable for planting in the protected field in the North-Guangdong, which autumn and winter＇s weather is always instability. The result showed that comprehensive characteristics of N552 was the best variety, which was middle-late maturity variety with hearty vegetable growth, high yield and commercial ratio. E1 was in the next place like N552. The middle-precocious variety F was well too for its shape of tuber, quality, commercial ratio, yield, etc. These three varieties were suitable for popularization in the protected field in the North- Guangdong. But the precocious variety Zhong-5 comprehensive characteristics, including field, quality and commercial ratio were unperfect.