Effect of Fertilization on Growth and Economy of New Flue-cured Tobaccos in Ankang
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摘要: 为明确安康烟区烤烟新品种肥料适应性, 以‘云烟97’、‘云烟99’、‘红花大金元’、‘中烟103’、‘云烟100’、‘NC297’、‘NC71’、‘兴烟1号’、‘K326 (对照) ’和‘云烟87’ (对照) 为试验材料, 研究不同施肥水平对烤烟新品种 (系) 的农艺性状、植物学性状、抗病能力、原烟外观质量和经济性状的影响。结果表明, 在农艺性状方面, 施肥量的增加, 各参试品种 (系) 株高、茎围和腰叶长都有不同程度的增加趋势, 但随着施肥量的增加, 增加趋势趋缓。在抗病性方面, ‘云烟97’、‘云烟99’、‘云烟100’和‘NC297’综合抗病能力较强。在经济性状方面, 产量和产值‘云烟97’、‘云烟100’、‘NC297’和‘云烟99’品种在中等施肥水平综合表现最好。Abstract: Tobacco cultivars, Yunyan 97, Yunyan 99, Honghuadajinyuan, Zhongyan 103, Yunyan 100, NC297, NC71, Xingyan No.1, K326 and Yunyan 87 (ck) , were used to evaluate the effect of fertilization on the agronomic characteristics, botanical properites, disease resistance, visual quality and economic performance of the tobaccos grown in Ankang.The results showed that the agronomic characteristics, plant height, stem girth and lumbar leaf length of the tested cultivars increased with increased fertilization.But, the increases slowed down as the amount of the fertilizer was further increased.As for the overall disease resistance, Yunyan 97, Yunyan 99, Yunyan 100 and NC297were better among all tested varietis.Economically, the yield and output of Yunyan 97, Yunyan 100, NC297 and Yunyan 99 performed well when the intermediate fertilization was applied.
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Key words:
- flue-cured tobacco /
- Ankang /
- fertilization /
- effect
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