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。