GAO Ruoxing,GUO Wenzhong,HAN Qibiao,et al.Effects of Irrigating Salinity Water on Growth,Yield and Quality of Protected Tomato[J].Northern Horticulture,2018,42(19):65-70.[doi:10.11937/bfyy.20180208]
灌溉水盐分对设施番茄生长、产量及品质的影响
- Title:
- Effects of Irrigating Salinity Water on Growth,Yield and Quality of Protected Tomato
- Keywords:
- tomato; irrigation water; growth index; yield; quality
- 文献标志码:
- A
- 摘要:
- 以“佳丽14”番茄品种为试材,在日光温室内开展咸水灌溉试验,设置灌溉水盐分浓度为0.4、3.4、6.4 g·L-1,研究不同灌溉水盐分浓度对设施番茄生长、产量以及果实品质的影响。结果表明:与盐分浓度0.4 g·L-1处理相比,盐分浓度6.4 g·L-1处理番茄叶面积指数、茎干物质量、叶干物质量、茎叶比等生长指标均受到抑制,盐分浓度3.4 g·L-1处理番茄的各项指标生长有一定程度的增大。各处理番茄产量随着灌溉水盐分浓度的增大而减小;盐分浓度3.4 g·L-1处理番茄果实品质优于其它处理,盐分浓度6.4 g·L-1处理番茄品质指标最低。说明灌溉水中含有适当浓度的盐分有利于番茄的生长和果实品质的提升,但高浓度灌溉水会对番茄生长产生抑制作用,并导致果实品质下降。随着灌溉水盐分浓度的增加,番茄产量逐渐下降。因此,在利用咸水灌溉温室作物时,应加强对土壤盐分含量的监测和调控,以免作物根区盐分累积影响产量。
- Abstract:
- Tomato was taken as material,the saline water irrigation experiment was carried out in a solar greenhouse.Three treatments were designed using different irrigation water with salt concentrations of 0.4,3.4,6.4 g·L-1,respectively.The influences of irrigating salinity water on growth yield and fruit quality of protected tomato were studied,The results showed that,compared with 0.4 g·L-1 of salt concentration treatment,the growth of tomato leaf area index (LAI),stem biomass,leaf biomass,stem/leaf biomass ratio were inhibited under 6.4 g·L-1 of salt concentration treatment,but these indexes were increased for 3.4 g·L-1 of salt concentration treatment.The yield of tomato was decreased with increasing of irrigating salinity water.The tomato fruit quality for 3.4 g·L-1 of salt concentration treatment was superior to that for the other two treatments,which indicated that tomato fruit quality was improved by irrigating with moderating concentration of saline water.However,there was a negative effect on tomato quality with the further increasing of irrigating salinity water.The tomato yield was decreased with the increasing of irrigating salinity water.Therefore,soil salinity should be monitored and controlled to avoid the negative effect of soil salt accumulation on tomato yield and quality under saline water irrigation condition.
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备注/Memo
第一作者简介:高若星(1992-),女,硕士,研究方向为设施作物栽培技术。E-mail:270643729@qq.com.责任作者:王利春(1982-),男,博士,副研究员,现主要从事设施作物水肥高效利用等研究工作。E-mail:wanglc@nercita.org.cn.基金项目: 国家自然科学基金青年基金资助项目(51509005);国家重点研发计划资助项目(2017YFD0201503)。收稿日期:2018-03-28