Comparison of R. chinensis minima (Voss) Sims miniature seedlings and thier clonal plants, with reference to selection for pot rose cultivars
1997
Dubois, L.A.M. | Vries, D.P. de (Centre for Plant Breeding and Reproduction Research, Wageningen (Netherlands))
Английский. The growth and development of miniature rose seedlings from various populations were compared with those of their self-rooted clonal plants, with the aim to found a proper basis for the selection of cvs suitable to the pot culture. In principle, seedlings and their clones performed similarity, although the level of expression of seven corresponding characters could differ significantly. Thus, in seedlings the flower buds occurred earlier, but they flowered later than their clones. At anthesis seedlings had shorter shoots, fewer leaves, more flower buds (absolute and per lateral), a higher percentage of sprouted axillary buds, fewer petals per flower than their clonal plants. The selection of miniatures adapted to pot culture is discussed
Показать больше [+] Меньше [-]итальянский. [E' stata confrontata la crescita di plantule di rose in miniatura derivanti da diverse popolazioni con quelli delle piante clonali derivate, autoradicate,, allo scopo di individuare una base adatta per la selezione di cultivar adatte per la coltura in vaso. In generale, le plantule e i loro cloni si comportavano in modo simile, sebbene il livello di espressione di sette caratteri corrispondenti potesse differire significativamente. Cosi', nelle plantule i bottoni fiorali si formavano piu' precocemente, ma esse fiorivano piu' tardi rispetto ai loro cloni. Alla fioritura le plantule presentavano fusti piu' corti, meno foglie, piu' gemme a fiore (in assoluto e per ramificazione), una maggior percentuale di germogli ascellari e un minor numero di petali per fiore rispetto alle rispettive piante clonali. Viene discussa la selezione delle rose in miniatura per la coltivazione in vaso]
Показать больше [+] Меньше [-]