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Practical use of horticulturalcropcultivation at membrane culture by use of functional membrane

利用功能性膜进行膜培养的园艺作物栽培的实际应用

基本信息

批准号：
08660028
负责人：
MIZUTA Youichi
金额：
$ 1.54万
依托单位：
KYOTO UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1996
资助国家：
日本
起止时间：
1996 至 1997
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-08660028/
关键词：
functional membrane reverse osmosis membrane low light intensity in vitro polyethylene glycol root zone cell flat simplified コリウス

项目摘要

The nutrients and water supply control for quality control is important in the cultivation of the gardening crops. In an existing cultivation device, The nutrients and water supplycan be controlled extremely or not at all. It is sure to be able to keep theoretically accurate with membrane culture which Reverse osmosis(R.O.)membrane is a semipermeable membrane which allows water to pass freely and ionic compounds slowly except large molecules. By using this membrane, we developed cultivation system. This system is constructed of a solution and vessel which floats on a solution. The vessel is about 2cm in height and the bottom is sealed with the R.O.membrane. Plant is placed directly on the R.O.membrane in this vessel. Water and nutrients are supplied to the plant from the solution through the R.O.membrane. Water and nutrient supply is controlled by the water potential and nutrient concentration in the solution. It is possible to maintain a water deficit in the root zone by using a high osmotic pressure solution. In an experiment, with a high osmotic pressure solution, spindly growth in an indoor environment was completely prevented in coleus(Coleus blumei Benth.). Using this system, coleus plants were maintained without spindly growth for 6 months indoors, using only deionized water. There is a possibility that by using this system, plants that are not normally used as indoor plants due to spindly growth. Additionally, weight and size of the planting pot can be reduced since no culture medium is required.Through the membrane fitted to the culture vessel, microbestatics(mainly composed aluminum)and microbes on the outside are removed and fresh nutrients and water can be supplied into culture vessels. We supplied the fresh culture medium containing sucrose by this method and grew healthy plants in the sterilized culture vessel, under unsterilized conditions. By using this culturing system the medium(contained Phyto-hormones)can be refreshed without replanting.

在园艺作物的栽培中，养分和水分的控制是质量控制的重要内容。在现有的栽培装置中，养分和水的供应可以控制得很好，也可以完全不控制。反渗透膜是一种半透膜，除大分子外，水可以自由通过，离子化合物可以缓慢通过。利用该膜开发了栽培体系。该系统由溶液和漂浮在溶液上的容器组成。容器高约2cm，底部用r.o.膜密封。植物被直接放置在这个容器的r.o.膜上。水和营养物质从溶液中通过r.o.膜提供给植物。水和养分的供应是由溶液中的水势和养分浓度控制的。通过使用高渗透压溶液来维持根区水分不足是可能的。在一项实验中，在高渗透压溶液中，完全阻止了彩花（coleus blumei Benth.）在室内环境中的细枝生长。使用该系统，仅使用去离子水，在室内维持了6个月的无细长生长。有一种可能性是，通过使用这个系统，由于细长的生长，通常不被用作室内植物。此外，由于不需要培养基，可以减少花盆的重量和大小。通过安装在培养容器上的膜，去除体外的微生物（主要由铝组成）和微生物，并向培养容器提供新鲜的营养物质和水。我们用这种方法提供含蔗糖的新鲜培养基，在无菌的培养容器中，在未灭菌的条件下培养健康的植株。通过使用该培养系统，培养基（含植物激素）可以在不重新种植的情况下更新。