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dc.contributor.authorSawika Konsaengen_US
dc.contributor.authorBernard Dellen_US
dc.contributor.authorBenjavan Rerkasemen_US
dc.description.abstractIn most plant families, boron (B) is phloem immobile. For plants such as peanut which bury their fruit, the mechanism for B delivery and the B source for fruit and seed growth remains enigmatic. Therefore, this study aimed to establish evidence of B retranslocation in peanut and to identify its importance in plant development. In a sand culture experiment, the increase in B contents in new organs after B withdrawal and the corresponding decline in B contents in older organs was evidence of B redistribution. In a foliar10B experiment, the10B abundance of treated-leaves decreased and10B was detected in leaves and flowers formed after the application of foliar B. Application of10B to the roots for a period also provided evidence for the retranslocation of10B accumulated during the first growth period. The10B abundance in older plant parts declined and10B appeared in new organs (flowers, pegs, leaves) that had developed after the10B supply had been replaced by11B. In the fourth experiment, foliar application of B reduced hollow heart, a symptom of B deficiency in seeds, in cv. TAG 24 from 39 to 8% and in Tainan 9 from 63 to 18%. These experiments all provide evidence for B retranslocation in peanut, but further work on the relative importance of the xylem and phloem pathways for B loading into the fruit is needed. © Springer Science + Business Media B.V. 2009.en_US
dc.subjectAgricultural and Biological Sciencesen_US
dc.titleBoron mobility in peanut (Arachis hypogaea L.)en_US
article.title.sourcetitlePlant and Soilen_US
article.volume330en_US Mai Universityen_US Universityen_US
Appears in Collections:CMUL: Journal Articles

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