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摘要:
Grafting is widely established in agriculture and provides practical advantages for vegetable production. We investigated physiological differences between the grafted combinations of Dutch (Starbuck and Maxifort) and Japanese (Reiyo, Receive and Magnet) tomato cultivars. Plants were grown hydroponically until the flowers on the first truss bloomed, and the following parameters were measured: fresh weight of the aerial parts, root surface area, root permeability (by using a pressure chamber), and water potential of exudates (by using an isopiestic psychrometer). The Starbuck/Maxifort combination had higher values of the aerial part weight, root surface area, and root permeability than Reiyo/Receive, whereas Reiyo/Maxifort tended to have higher values of these parameters than Reiyo/Receive and Reiyo/Magnet. Maxifort had a significantly larger root surface area than Receive, but root permeability was not significantly different. InReiyo/Maxifort and Starbuck/Receive, these parameters were not significantly different except for a single comparison of root permeability. Thus, root permeability and root surface area may depend not only on the rootstock but be also affected by scion in grafted plants. Water potential of exudates was similar in most combinations and experiments. This shows that three rootstock cultivars provided similar nutrient concentrations even with different scions.
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篇名 Differences in Root Growth and Permeability in the Grafted Combinations of Dutch Tomato Cultivars (Starbuck and Maxifort) and Japanese Cultivars (Reiyo, Receive, and Magnet)
来源期刊 美国植物学期刊(英文) 学科 医学
关键词 ISOPIESTIC PSYCHROMETER Pressure Chamber Root Surface Water Potential
年,卷(期) 2015,(16) 所属期刊栏目
研究方向 页码范围 2640-2650
页数 11页 分类号 R73
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ISOPIESTIC
PSYCHROMETER
Pressure
Chamber
Root
Surface
Water
Potential
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美国植物学期刊(英文)
月刊
2158-2742
武汉市江夏区汤逊湖北路38号光谷总部空间
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1814
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