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当前位置: 首页 > 文章 > 不同电导率营养液对苦苣生长、产量与品质的影响 石河子大学学报(自然科学版) 2017 (4) 438-443
Position: Home > Articles > Effects of different electrical conductivity levels of nutrient solution on the growth,yield and quality of endive Journal of Shihezi University(Natural Science) 2017 (4) 438-443

不同电导率营养液对苦苣生长、产量与品质的影响

作  者：
张二震;刘慧英;温泽林;翟晨;张占畅;李汉钊
单  位：
石河子大学农学院
关键词：
电导率;营养液;苦苣;品质
摘  要：
为筛选出适宜水培苦苣生长的营养液浓度水平,为水培苦苣的优质高产栽培提供理论依据,本研究采用营养液水培法,对不同EC值营养液处理下的苦苣生长、产量和品质进行研究。结果显示:营养液EC值在0.8-1.5 ms/cm时,植株均表现出生长良好,产量高,叶片Vc、可溶性糖含量较高,但其中1.2和1.5 ms/cm处理显著造成植株叶片硝酸盐积累;而营养液EC值过低(0.2和0.5 ms/cm)造成苦苣植株生长受到严重抑制,产量显著降低。结论:综合考虑不同EC值处理下苦苣的生长、产量与品质及成本的消耗,采用0.8 ms/cm的营养液浓度水平最适合于水培苦苣生产。
译  名：
Effects of different electrical conductivity levels of nutrient solution on the growth,yield and quality of endive
作  者：
Zhang Erzhen;Liu Huiying;Wen Zelin;Zhai Chen;Zhang Zhanchang;Li Hanzhao;Department of Horticulture,College of Agronomy,Shihezi University;Key Laboratory of Special fruits and vegetables Cultivation Physiology and Germplasm Resources Utilization of Xinjiang Production and Contruction Crops;
单  位：
Department of Horticulture,College of Agronomy,Shihezi University%Key Laboratory of Special fruits and vegetables Cultivation Physiology and Germplasm Resources Utilization of Xinjiang Production and Contruction Crops
关键词：
electrical conductivity;;nutrition solution;;endive;;quality
摘  要：
Hydroponic experiments were conducted to investigate the effects of six different electrical conductivity(EC) levels of nutrient solution on the plant growth, yield and quality of Endive in this study. The result showed that the application of low EC levels(0.2 and 0.5 ms/cm) significantly inhibited the plant growth and decreased the yield of endive. The application of EC level at 0.8-1.5 ms/cm range can effectively promote the plant growth of endive and obtain higher yield, but the application of high EC level(1.2 and 1.5 ms/cm) treatment resulted in nitrate accumulation in leaves of endive. Taking into account the plant growth,yield and quality of endive, as well as cost of nutrient solution,, this study suggests that the EC level of nutrient solution at 0.8 ms/cm was more suitable for endive hydroponic production.

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