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1. A unique aluminum resistance mechanism conferred by aluminum and salicylic-acid-activated root efflux of benzoxazinoids in maize

Author:
Zunkang Zhao; Xiaofeng Gao; Ye Ke; Minmin Chang; Lu Xie; Xiaofeng Li; Minghua Gu; Jiping Liu; Xinlian Tang
Source:
Plant and soil 2019 v.437 no.1-2 pp. 273-289
ISSN:
0032-079X
Subject:
aluminum; benzoxazinoids; biosynthesis; chelation; corn; cultivars; exudation; hydroxamic acids; root growth; root tips; salicylic acid
Abstract:
... BACKGROUND AND AIMS: Although aluminum (Al) exclusion via root exudation of organic matters is a common resistance mechanism adopted by many plant species, whether root exudation of benzoxazinoids, such as hydroxamic acids (HAs), confers Al resistance remains unclear. METHODS: We performed physiological characterization for an Al-resistant maize cultivar TY and a sensitive maize cultivar ZD. RESUL ...
DOI:
10.1007/s11104-019-03971-9

2. Effects of biochar and/or dolomitic limestone application on the properties of Ultisol cropped to maize under glasshouse conditions

Author:
M. A. Rabileh; J. Shamshuddin; Q. A. Panhwar; A. B. Rosenani; A. R. Anuar
Source:
Canadian journal of plant science 2015 v.95 no.1 pp. 37-47
ISSN:
1918-1833
Subject:
Elaeis guineensis; Ultisols; aluminum; biochar; chelation; corn; crop production; dolomitic limestone; exchangeable aluminum; gibbsite; greenhouse experimentation; greenhouses; soil fertility; soil pH; soil solution; tropics
Abstract:
... Rabileh, M. A., Shamshuddin, J., Panhwar, Q. A., Rosenani, A. B. and Anuar, A. R. 2015. Effects of biochar and/or dolomitic limestone application on the properties of Ultisol cropped to maize under glasshouse conditions. Can. J. Soil Sci. 95: 37–47. Ultisols in the tropics are characterized by low pH and high exchangeable Al. Maize grown on them produces low yield. A study was conducted to determi ...
DOI:
10.4141/cjas-2014-084