Abstract
In nursery stock production of some ornamental woody plants the appearance of spontaneous variability was identified in the form of atypical pigmentation of leaves (albinism, variegated, red colored), leaves shape (jaggy) and dwarfs. Mutated plants with variegated leaves were observed among hybrid plane (Platanus x acerifolia (Ait.) Willd.), Siberian elm (Ulmus pumila L.), laurel cherry (Prunus laurocerasus L.) and Lawson false-cypress (Chamaecyparis lawsoniana (Murr.) Parl.) Seedlings. The type of variegation and frequency were analyzed. Among plane tree and Siberian elm seedlings there were observed red colored leaves. Atypical, jaggy shaped leaves were found among laurel cherry seedlings. Dwarf growth was identified at Siberian elm and birch (Betula pendula Roth.) where also found fruits at one year seedling. There were not significant differences in some morphological and physiological properties in plane tree seedlings with various pigmented leaves. .
Highlights
In nursery stock production of some ornamental woody plants the appearance of spontaneous variability was identified in the form of atypical pigmentation of leaves, leaves shape and dwarfs
Jaggy shaped leaves were found among laurel cherry seedlings
Dwarf growth was identified at Siberian elm and birch (Betula pendula Roth.) where found fruits at one year seedling
Summary
UDK: 630*165.7:635.9 Оригинални научни рад СПОНТАНЕ ПРОМЕНЕ КАО ОСНОВА ЗА ДОБИЈАЊЕ НОВИХ КУЛТИВАРА УКРАСНИХ САДНИЦА. Извод: У расадничкој производњи неких украсних дрвенастих садница конста тована је појава спонтаних промена у облику атипичне пигментације листова (албинизам, панашираност, црвена боја), форме листова (назубљеност) као и патуљастог раста. Биљке са мутацијама у виду панашираних листова уочене су код садница хибридног платана (Platanus x acerifolia (Ait.) Willd.), сибирског бреста (Ulmus pumila L.), ловорвишње (Prunus laurocerasus L.) и пачемпреса (Chamaecyparis lawsoniana (Murr.) Parl.). Код садница јаворолисног платана и сибирског бреста констатоване се индивидуе са црвеном пигментацијом листова. Патуљаст раст је иде нтификован код сибирског бреста и брезе (Betula pendula Roth.) на којој су биле формиране плодне ресе на једногодишњој садници. Анализа више мор фолошких и физиолошких својстава садница хибридног платана са различито пигментисаним листовима није показала сигнификантне разлике. Кључне речи: украсне саднице, пигментација, патуљаст раст, водни режим, минералне материје
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