首页|In Vitro Slow Growth Preservation of Vaccinium uliginosum
In Vitro Slow Growth Preservation of Vaccinium uliginosum
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In Vitro Slow Growth Preservation of Vaccinium uliginosum
As an important wild blueberry resource,Vaccinium uliginosum has attracted more and more attention.At present,the wild resources are under destruction.The conservation of wild Vaccinium uliginosum resources is imminent.However,there are few researches on the protection and preservation of its germplasm resources.In vitro preservation is an important method for germplasm conservation.In this study,one strain of wild Vaccinium uliginosum was used as material.The effects of temperature(25 ℃,15 ℃,10 ℃,or 0 ℃),media(WPM,1/2WPM or 1/3WPM),medium supplements(sorbitol or mannose),and photoperiod(8,10,12,or 14 h·d-1)on the growth,survival rate and rejuvenation rate of the plantlets were studied.The physiological changes of plantlets during preservation were analyzed.Methylation-sensitive amplified polymorphism(MSAP)analysis of genomic DNA methylation of plantlets was carried out to explore the genetic stability of the plantlets after preservation.The research results provided a theoretical basis for the germplasm preservation of Vaccinium uliginosum.
Dai Zhiguo、Zhang Youlai、Yang Lie、Li Hongmei、Li Zheng、Gao Qingyu、Zhang Bingxiu
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Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of Northeast Region(Ministry of Agriculture),College of Horticulture and Landscape Architecture,Northeast Agricultural University,Harbin 150030,China
Vaccinium uliginosum L. slow growth in vitro preservation methylation-sensitive amplified polymorphism
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