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作 者 ：吕晓飞, 王宏富, 邢静熠, 李卫明, 孙艺丹

期 刊 ：核农学报 2016年 30卷 6期 页码：1196-1203

关键词：谷子；不均衡种植；农艺性状；光合参数；

Keywords:foxtail millet, uneven planting, agronomic characters, photosynthetic characteristics,

摘 要 ：为了探究不均衡种植方式对谷子产量的影响,以农大8号和农大10号为试材,采用裂区设计,以品种为主区,不均衡种植方式为副区,测定不均衡种植方式下的谷子主要农艺性状、光合参数等指标。结果表明,与等行距种植(30cm+30cm)和宽幅种植(60cm+15cm+15cm)相比,宽窄行种植(宽行40cm+窄行20cm)的谷子株高、茎粗、叶绿素、叶面积及光合速率、气孔导度等显著提高,胞间CO₂浓度有所下降,产量显著提高,等行距种植与宽幅种植之间无显著差异;与等行距相比,宽幅种植的穗重、千粒重显著提高。本研究结果为谷子高产栽培提供了技术指导。

Abstract:A field experiment was conducted to investigate effect of uneven planting on yield of foxtail millet with the varieties of Nongda8and Nongda10 under split plot design, and the variety as the main area, the uneven planting was the sub region, the paper studies the millet indexes of main agronomic traits, photosynthetic parameters and so on under the uneven planting. The result showed that plant height, stem diameter, leaf area, chlorophyll content, net photosynthesis, transpiration rate and stomatal conductance rate were increased in the wide and narrow row treatment(40cm+20cm) than the line spacing planting(30cm+30cm) and wide row planting(60cm+15cm+15cm). Oppositely, internal CO₂concentration was decreased, and yield increased significantly. There were no significant effect between line spacing planting and wide planting treatment. Comparisoned with line spacing planting, wide planting were increased in ear weight and 1 000-grain weight significantly. The results provide technical guidance for the high yield cultivation of millet.

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