Chunyuan Huang

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The effects of toxic boron (B) concentrations on the growth of wheat genotypes at organ level and cellular level were investigated using excised root culture techniques. At the organ level, wheat genotypes differed for root elongation and lateral root development in response to toxic B concentrations. Genotypes classified as resistant from field studies had(More)
Root branching is a fundamental phenotypic property of a root system. In this paper we present a system for the fully automated detection and classification of root tips in root images obtained either by 2D flat bed scanning or by 3D digital camera imaging. With our system we aim to provide a robust, efficient and accurate means of phenotyping of roots.(More)
Mn efficiency is defined here as an ability of a genotype to grow and yield well in a soil which is limiting in available Mn for a standard genotype (Graham, 1984). Screening for Mn efficiency in soil-based pot testing had been producing inconsistent results, and thus improvement of pot screening became an objective. One possible factor, pot size was(More)
A new chelate-buffering technique was used to investigate the effect of pH (6.00, 6.85 and 7.70) on manganese (Mn) absorption from nutrient solution by three genotypes of barley plants differeing in Mn efficiency. The nutrient composition was adjusted such that the calculated activities of Mn2+, Zn2+, Cu2+ and Ni2+ were similar in each pH, thus eliminating(More)
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