DIGITALNA ARHIVA ŠUMARSKOG LISTA
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| ŠUMARSKI LIST 1-2/1966 str. 132 <-- 132 --> PDF |
Heterosis mentioned Table 1. Female tree Male tree P. tremula P. tremula P. tremula P. tremula gigas P. alba P. tremuloides P. tremula P. tremula P. pyramidalis P. simonii P. laurifolia P. suaveolens P. pyramidalis P. yunnanensis P. deltoides v. virginiana P. balsamifera (tetraploidal pollen used) P. pyramidalis P. laurifolia P. berolinensis P. trichocarpa P. nigra P. I-438p (tetraploid clone) P. nigra plantierensis P. trichocarpa P. berolinensis Kind of heterosis Growth vigour Growth vigour Growth vigour Growth vigour Growth vigour Growth vigour and resistance against diseases Growth vigour Frost resistance Frost resistance Growth vigour Growth vigour Growth vigour Growth vigour Growth vigour Growth vigour Growth vigour Growth vigour Growth vigour Growth vigour Growth vigour %> rooted Growth vigour Growth vigour and resistance Growth vigour and resistance P. P. P. P. P. P. P. P. P. P. P. P. P. P. P. P. P. P. P. P. P. tremula tremula alba alba tremula tremula tremuloides alba suaveolens pyramidalis balsamifera balsamifera simonii simonii yunnanensis balsamifera maximowiczii maximowiczii angulata deltoides deltoides Several black poplars P. maximowiczii P. maximowiczii P. maximowiczii Date of publica tion 1956 1963 1961 1961 1956 1961 1961 1961 1961 1959 1959 1958/59 1960 1962 1962 1963 1960 1963 Breeder´s (author´s) name, country H. Johnson, Sweden R. Dimpfelmeier, Germany A. V. Albienskij, U. S. S. R. A. V. Albienskij, U. S. S. R. :S. Bialobok, Poland Several authors Natural hybrid — P. canescens A. V. Albienskij, U. S. S. R. A. V. Albienskij, U. S. S. R. A. V. Albienskij, U. S. S. R. A. V. Albienskij, U. S. S. R. Le T.-Y. China Le T.-Y. China Official report, New Zeland Manzos A. M., U. S, S. R. Z. Pohl, Poland Z. Pohl, Poland Z. Stecki, Poland C. M. Larsen, Belgium Many cultivars called P. x euramericana cv. M. Sekawin, Italy Many well konwn cultivars from Schreiner´s and Stout´s breeding works. |