不同浮板形式对静止浮板水培叶用莴苣生长的影响

doi:10.14088/j.cnki.issn0439-8114.2019.18.020

湖北农业科学 ›› 2019, Vol. 58 ›› Issue (18): 82-85.doi: 10.14088/j.cnki.issn0439-8114.2019.18.020

不同浮板形式对静止浮板水培叶用莴苣生长的影响

王加倍¹, 王久兴²

1.南京农业大学园艺学院,南京 210095;
2.河北科技师范学院园艺科技学院,河北秦皇岛 066000

收稿日期:2018-11-21 出版日期:2019-09-25 发布日期:2019-11-08
通讯作者: 王久兴（1969-）,男,河北玉田人,教授,硕士,主要从事无土栽培研究工作,（电话）0335-2039018（电子信箱）ivps999@163.com。
作者简介:王加倍（1999-）,女,河北高阳人,在读本科生,研究方向为观赏园艺植物,（电话）025-84395022（电子信箱）614240624@qq.com
基金资助:
河北省教育厅本科高校教学质量工程项目（360-0806-YZN-XSY9）

Effects of different floating plate types on lettuce cultivated by floating hydroponics technique

WANG Jia-bei¹, WANG Jiu-xing²

1.College of Horticulture,Nanjing Agricultural University,Nanjing 210095,China;
2.College of Horticulture, Hebei Normal University of Science & Technology,Qinhuangdao 066000,Hebei,China;

Received:2018-11-21 Online:2019-09-25 Published:2019-11-08

摘要/Abstract

摘要： 研究了不同浮板形式对静止浮板水培叶用莴苣（Lactuca sativa L.）生长的影响,结果表明,使用上、下厚度均为2 cm的双层浮板栽培叶用莴苣效果最好。其株型较大,株高26.72 cm,开展度32.15 cm,茎粗10.90 mm,叶片数9.81片,叶长23.56 cm,叶宽14.63 cm,叶面积229.78 cm²,根体积9.54 cm³;生物积累量高,冠鲜质量为47.51 g,根鲜质量9.48 g,总鲜质量56.99 g,冠干质量3.037 0 g,根干质量0.935 3 g,总干质量3.972 3 g;营养品质与常规灯芯式深水培相近。因此,进行叶用莴苣静止浮板水培,可以使用上层厚2 cm,定植孔直径2 cm,下层厚2 cm,定植孔直径5 cm的双层浮板。

关键词: 无土栽培, 水培, 浮板, 叶用莴苣（Lactuca sativa L.）

Abstract: The effects of different floating plate types on lettuce（Lactuca sativa L.） cultivated by floating hydroponics technique were studied. The results showed that the effects of the double-layer floating plate with the upper and lower thickness of 2 cm of lettuce was the best. The plant shape was large. It’s plant height was 26.72 cm, plant width was 32.15 cm,stem diameter was 10.90 mm, leaf number was 9.81,leaf length was 23.56 cm,leaf width was 14.63 cm,leaf area was 229.78 cm², and root volume was 9.54 cm³. The biomass was high. It’s fresh mass of crown was 47.51 g,fresh mass of root was 9.48 g, total fresh mass was 56.99 g, dry mass of crown was 3.037 0 g, root dry mass was 0.935 3 g,total dry mass was 3.972 3 g. The nutritional quality was similar to that of conventional lamp core. Therefore, the double-deck floating plate that comprised two pieces polystyrene foam plastics plates, one piece’s thickness was 2 cm and the fixed holes diameter was 2 cm,the other piece’s thickness was 2 cm and the diameter of planting hole was 5 cm, can be used for hydroponics of leaf lettuce.

Key words: soilless culture, hydroponics, floating plate, lettuce（Lactuca sativa L.）

中图分类号:

S317
S636.2

王加倍, 王久兴. 不同浮板形式对静止浮板水培叶用莴苣生长的影响[J]. 湖北农业科学, 2019, 58(18): 82-85.

WANG Jia-bei, WANG Jiu-xing. Effects of different floating plate types on lettuce cultivated by floating hydroponics technique[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(18): 82-85.

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不同浮板形式对静止浮板水培叶用莴苣生长的影响

Effects of different floating plate types on lettuce cultivated by floating hydroponics technique

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