XU Li-zhen,ZHAO Qian.Effects of Planting Density on Yield and Characters of Seed-used Pumpkin[J].Northern Horticulture,2012,36(16):22-23.
栽培密度对籽用南瓜经济性状及产量的影响
- Title:
- Effects of Planting Density on Yield and Characters of Seed-used Pumpkin
- 文章编号:
- 1001-0009(2012)16-0022-02
- Keywords:
- planting density; seed-used pumpkin; economic characters; production
- 分类号:
- S 642.1
- 文献标志码:
- A
- 摘要:
- 2010~2011年研究了3种种植密度对籽用南瓜“银辉2号”经济产量的影响。结果表明：不同种植密度对种子产量有显著影响；密度过大，田间出现徒长、叶柄脆、易折；白粉病害加重、烂果率提高、坐果指数下降；15 000株/hm2是最适宜的种植密度，产值最大，成本收益率最高。
- Abstract:
- The effect of three planting density on economic output of seed-used pumpkin ‘Yinhui No.2’ was studied in the year 2010~2011.The results showed that the seed yield were significantly influenced by planting density.When planting density was too large，the seedling was excessive growth，petioles was crisp and easily broken；powdery mildew of pumpkin was aggravated，the rate of rotten fruit would increase and fruit-bearing exponential was decline. 15 000 plants/hm2 was the suitable planting density，in this density the output value was maximum and cost-benefit was the highest.
参考文献/References:
[1]屈淑平，张俊华.籽用南瓜优质高效栽培关键技术[M].哈尔滨：黑龙江科学技术出版社，2008：1-2. [2]梁耀平，王世杰，陈豫梅，等.西瓜六个农艺性状的杂种优势及其遗传表现的分析[J].种子，2011（8）：85-86. [3]农业部农药检定所生测室.农药田间药效试验准则(二)[M].北京：中国标准出版社，2004：56-60.
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备注/Memo
第一作者简介：徐丽珍（1963-），女，黑龙江双城人，本科，副研究员，现主要从事籽用南瓜遗传育种及栽培技术研究工作。