CLONAL DIFFERENCES OF BLACK POPLAR CUTTINGS FOR MORPHO- PHYSIOLOGICAL AND BIOCHEMICAL RESPONSES TO SOIL WATER DEFICITS - M. Topić; M. Borišev; S. Orlović; M. Tomičić; M. Župunski; N. Nikolić; S. Pajević; B. Krstić; A. Pilipović (Journal of Animal and Plant Sciences, 2013)