Evaluation of wheat cultivars root traits at standard and low pH environment conditions with higher concentration of aluminium ions
1997
Blaha, L. | Janacek, J. (Research Inst. for Crop Production, Praha (Czech Republic))
Winter wheat cultivars Atlas 66 and Zdar were cultivated in sand and water cultures with two types of nutrient solution - pH 6.5 and pH 4.5 with 2 mmol per litre of aluminium ions. After one week of cultivation the root system was sampled. The morphology was analysed by the image analyser LUCIA-D and total length, surface area and number of root tips were determined. The largest differences of measured root traits were in water culture. Zdar had the higher number of lateral root tips, root surface and total length of root in comparison with Atlas. While primordia of lateral roots of the more tolerant cv. Atlas 66 continued to grow, the Zdar primordia stopped growing very early, resulting in inhibition of total root length. Image analysis provides an easy way to estimate morphological traits of roots in different types of environment which are useful for physiological interpretation and for utilisation in plant breeding
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