Poplar Variability of Rooting Capacity of Cuttings from Sprouts
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Abstract
This paper surveys the major results of the study of rooting poplar cuttings at the Poplar Research Institute in Novi Sad, within the nursery production studies. The results show that poplar genotypes in the sections Aigeiros, Tacamahaca and Leuce differ significantly in their propagation capacity by cuttings from sprouts. By the implementation of some researched technological procedures (time and method of cutting preparation and planting, moisturisation, fertilisation, etc.) it is possible to increase the survival percentage of the clones which are difficult to propagate by the usual procedures. In aspens and their hybrids there are no genotypes whose cuttings from sprouts can be rooted, so other methods are recommended for their clone propagation, among which the increasingly actual method is micropropagation by tissue culture of axillary buds.
Keywords: poplars, breeding, rooting of cuttings, reproduction and nursery stock