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对广东遂溪试点全国第7轮甘蔗新品种第1年新植和第2年宿根试验的蔗茎产量、含糖量等重要性状采用裂区试验统计模型进行汇总分析。结果表明,第1年新植的蔗茎产量和含糖量都相应极显著高于第2年宿根,且品种与年份间互作显著;11个参试品种中,以粤甘24号和粤甘26号综合表现较为突出,新宿平均蔗茎产量和含糖量都名列参试品种前2名,前者宿根性较强、较早熟、糖分较高,后者宿根性中等、特早熟、糖分高。
The sucrose yield and sugar content of the 7th round of new sugarcane varieties in Suixi, Guangdong Province, in the first year of new planting and the second year of perennial rooting experiment were analyzed by using the split-zone experimental statistical model. The results showed that in the first year, the yield and the sugar content of newly planted cane were significantly higher than those in the second year, and the intercropping was significant between the cultivars and the year. Of the 11 tested cultivars, Yuegan 24 and Yue Gan 26 comprehensive performance is more prominent, Shinjuku average cane yield and sugar content are listed in the top two varieties tested, the former strong perennial, more premature, higher sugar, the latter with moderate perennial, especially precocious, sugar high.