MU Jinyan,ZHAO Lanzhi,WANG Zhenyu.Effects of Different Concentrations of Photosynthetic Bacteria on Yield and Quality of Lactuca sativa L.[J].Northern Horticulture,2017,41(15):56-60.[doi:10.11937/bfyy.20165045]
不同浓度光合细菌对水培油麦菜产量及品质的影响
- Title:
- Effects of Different Concentrations of Photosynthetic Bacteria on Yield and Quality of Lactuca sativa L.
- 文献标志码:
- A
- 摘要:
- 以油麦菜幼苗为试材，通过水培的方式，采用不同浓度（200 mL光合细菌菌剂+3 800 mL营养液、400 mL光合细菌菌剂+3 600 mL营养液、600 mL光合细菌菌剂+3 400 mL营养液、800 mL光合细菌菌剂+3 200mL营养液、1 000 mL光合细菌菌剂+3 000 mL营养液）的光合细菌进行处理，以4 000 mL营养液为对照，通过对水培油麦菜的叶片数、鲜质量、根活力、维生素C、可溶性糖、可溶性蛋白质、硝酸盐含量进行分析比较，研究了不同浓度光合细菌对水培油麦菜产量及品质的影响。结果表明:600 mL光合细菌菌剂+3 400 mL营养液处理的效果最好，与CK相比，叶片数增加了62.66%，鲜质量增加了139.7%，根系活力增加了132.04%，维生素C含量增加了18.34%，可溶性蛋白质含量增加了16.60%，可溶性糖含量增加了192.37%，硝酸盐含量减少了69.44%。600 mL光合细菌菌剂+3 400 mL营养液处理保证了水培油麦菜的产量，又降低了硝酸盐含量，提高了油麦菜的品质。
- Abstract:
- Leaf lettuce seedlings of Lactuca sativa L.was used as test materials,through the way of hydroponic,using different concentrations of photosynthetic bacteria(200 mL photosynthetic bacteria bacterium agent + 3 800 mL nutrient solution,400 mL nutrient photosynthetic bacteria bacterium agent + 3 600 mL nutrient solution,600 mL nutrient photosynthetic bacteria bacterium agent + 3 400 mL nutrient solution,800 mL nutrient photosynthetic bacteria bacterium agent + 3 200 mL nutrient solution,1 000 mL nutrient photosynthetic bacteria bacterium agent + 3 000 mL nutrient solution),taking 4 000 mL nutrient solution as contral.Number of lettuce leaves,fresh mass and root vigor,vitamin C,soluble sugar,soluble protein,nitrate content were analyzed,effects different concentrations of photosynthetic bacteria on yield and quality in hydroponic lettuces were studied.The results showed that the processing effect of 600 mL photosynthetic bacteria bacterium agent + 3 400 mL nutrient solution was the best,compared with CK,leaf number increased by 62.66%,fresh quality increased by 139.7%,and root activity increased by 132.04%,vitamin C content increased by 18.34%,soluble protein content increased by 16.60%,soluble sugar content increased by 192.37%,and nitrate content decreased by 69.44%.The treatment of 600 mL photosynthetic bacteria bacterium agent + 3 400 mL nutrient ensured the hydroponic production of leaf lettuce and reduced the nitrate content,at the same time it could improve the quality of the leaf lettuce.
参考文献/References:
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备注/Memo
第一作者简介：穆金艳（1986-），女，硕士，助理实验师，研究方向为园艺植物生物技术。E-mail：mujinyan135@126.com.责任作者：赵兰枝（1964-），女，高级实验师，研究方向为园艺植物无土栽培与生理生化。E-mail:zhaolz123@163.com.收稿日期：2017-02-28