{"title":"电场条件下水培番茄幼苗根系生长模式的研究","authors":"G. Tataranni, A. Sofo, C. Casucci, A. Scopa","doi":"10.3117/PLANTROOT.7.28","DOIUrl":null,"url":null,"abstract":"Electric fields can determine changes at morphological and physiological levels in plants. In this study, seedlings of Solanum lycopersicum L., grown hydroponically in a floating system, were exposed to a DC 12.0 V m -1 electric field (EF). Root morphology was strongly affected by the electric field applied and a significant variation in root growth rate was observed along the gradient. The tomato plants grown on the hand of the positive electrode showed a pronounced length, root hairs' development and root branching, compared to the plants grown at the central area of the container and on the hand of the negative electrode. Root growth of the control plants not exposed to the EF resembled that of EF-exposed plants taken in the central area. Hypotheses according to which the different growth patterns observed could be related to a chemiosmotic- induced activity and/or the distribution of plasma membrane carriers are discussed. In conclusion, the root growth was affected by the positions under application of EF. The results point to a possibility of applying electric fields for controlling tomato root growth.","PeriodicalId":20205,"journal":{"name":"Plant Root","volume":"7 1","pages":"28-32"},"PeriodicalIF":1.0000,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3117/PLANTROOT.7.28","citationCount":"7","resultStr":"{\"title\":\"Different root growth patterns of tomato seedlings grown hydroponically under an electric field\",\"authors\":\"G. Tataranni, A. Sofo, C. Casucci, A. Scopa\",\"doi\":\"10.3117/PLANTROOT.7.28\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Electric fields can determine changes at morphological and physiological levels in plants. In this study, seedlings of Solanum lycopersicum L., grown hydroponically in a floating system, were exposed to a DC 12.0 V m -1 electric field (EF). Root morphology was strongly affected by the electric field applied and a significant variation in root growth rate was observed along the gradient. The tomato plants grown on the hand of the positive electrode showed a pronounced length, root hairs' development and root branching, compared to the plants grown at the central area of the container and on the hand of the negative electrode. Root growth of the control plants not exposed to the EF resembled that of EF-exposed plants taken in the central area. Hypotheses according to which the different growth patterns observed could be related to a chemiosmotic- induced activity and/or the distribution of plasma membrane carriers are discussed. In conclusion, the root growth was affected by the positions under application of EF. The results point to a possibility of applying electric fields for controlling tomato root growth.\",\"PeriodicalId\":20205,\"journal\":{\"name\":\"Plant Root\",\"volume\":\"7 1\",\"pages\":\"28-32\"},\"PeriodicalIF\":1.0000,\"publicationDate\":\"2013-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.3117/PLANTROOT.7.28\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Plant Root\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3117/PLANTROOT.7.28\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"PLANT SCIENCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Plant Root","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3117/PLANTROOT.7.28","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
引用次数: 7
摘要
电场可以决定植物在形态和生理水平上的变化。本研究将番茄茄(Solanum lycopersicum L.)幼苗置于直流12.0 V m -1电场(EF)下,在浮置系统中水培生长。电场对根系形态有明显影响,根系生长速率沿梯度变化显著。与生长在容器中心区域和负极一侧的番茄植株相比,生长在正极一侧的番茄植株长度、根毛发育和根分枝明显。未暴露于EF的对照植株的根系生长与中心地区暴露于EF的植株相似。根据这些不同的生长模式可能与化学渗透诱导的活性和/或质膜载体的分布有关的假设进行了讨论。综上所述,施用土壤肥力对根系生长有一定的影响。结果表明,利用电场控制番茄根系生长是可行的。
Different root growth patterns of tomato seedlings grown hydroponically under an electric field
Electric fields can determine changes at morphological and physiological levels in plants. In this study, seedlings of Solanum lycopersicum L., grown hydroponically in a floating system, were exposed to a DC 12.0 V m -1 electric field (EF). Root morphology was strongly affected by the electric field applied and a significant variation in root growth rate was observed along the gradient. The tomato plants grown on the hand of the positive electrode showed a pronounced length, root hairs' development and root branching, compared to the plants grown at the central area of the container and on the hand of the negative electrode. Root growth of the control plants not exposed to the EF resembled that of EF-exposed plants taken in the central area. Hypotheses according to which the different growth patterns observed could be related to a chemiosmotic- induced activity and/or the distribution of plasma membrane carriers are discussed. In conclusion, the root growth was affected by the positions under application of EF. The results point to a possibility of applying electric fields for controlling tomato root growth.
期刊介绍:
Plant Root publishes original papers, either theoretical or experimental, that provide novel insights into plant roots. The Journal’s subjects include, but are not restricted to, anatomy and morphology, cellular and molecular biology, biochemistry, physiology, interactions with soil, mineral nutrients, water, symbionts and pathogens, food culture, together with ecological, genetic and methodological aspects related to plant roots and rhizosphere. Work at any scale, from the molecular to the community level, is welcomed.