期刊
JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE
卷 178, 期 6, 页码 821-824出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jpln.201500177
关键词
root mucilage; contact angle; maize; brace root; rhizosphere; soil water content
资金
- German Academic Exchange Service (DAAD), Bonn, Germany
Despite the importance of mucilage for soil-plant relations, little is known about the effect of soil drying on mucilage exudation. We introduce a method to collect mucilage from maize growing in wet and dry soils. Mucilage was collected from brace roots. The amount of mucilage exuded did not change with soil water content and transpiration rate. Mucilage exuded in dry soils had a higher degree of hydrophobicity, suggesting that the wetting properties of mucilage change in response to soil drying.
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