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pubmed-article:19234669pubmed:dateCreated2009-4-15lld:pubmed
pubmed-article:19234669pubmed:abstractTextTo determine the role of adventitious roots in supplying water to Ipomoea pes-caprae (L.) Sweet (Convolvulaceae), we examined the effects of water deficit on water uptake and the growth patterns of leaves and shoots. After stopping the water supply from the primary root or adventitious roots, the water-uptake rate of the other root system increased steeply within 90-100 min to a level of 90% of the pretreatment water-uptake rate of the whole plant. Thus, the primary and adventitious roots can compensate for a decrease in the water-uptake rate of the whole plant caused by dehydration. The continuous growth of leaves and shoots after dehydration suggests that an increase in the water-uptake rate by either root system can support plant growth, although the growth rates of immature leaves in plants with no water supply from the primary or adventitious roots were lower than in controls. We conclude that the water supply from adventitious roots contributes to the survival and growth of plants, and will be important for vegetative propagation.lld:pubmed
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pubmed-article:19234669pubmed:monthMaylld:pubmed
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pubmed-article:19234669pubmed:authorpubmed-author:FurukawaAkioAlld:pubmed
pubmed-article:19234669pubmed:authorpubmed-author:KamakuraMaiMlld:pubmed
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pubmed-article:19234669pubmed:volume122lld:pubmed
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pubmed-article:19234669pubmed:year2009lld:pubmed
pubmed-article:19234669pubmed:articleTitleCompensatory function for water transport by adventitious roots of Ipomoea pes-caprae.lld:pubmed
pubmed-article:19234669pubmed:affiliationKYOUSEI Science Center for Life and Nature, Nara Women's University, Kita-Uoya Higashimachi, Nara 630-8506, Japan. mkamakura@cc.nara-wu.ac.jplld:pubmed
pubmed-article:19234669pubmed:publicationTypeJournal Articlelld:pubmed