Botanic gardens in the age of climate change - PlantNetwork

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40 Theme 3 Session 3: Developing collection policies DIFFERENT NEW TYPES OF SOWBREAD (CYCLAMEN PURPURASCENS MILL.) IN SLOVENIA Bavcon, Jože joze.bavcon@botanicni-vrt.si, University Botanic Gardens Ljubljana, Slovenija Sowbread (Cyclamen purpurascens Mill.) is the only representative of its genus in Slovenia where it is a widely spread species. It grows from the sea as far as high mountain areas. It thrives in all four major phytogeographic regions: Alpine, Dinaric, Sub-pannonian and Sub-Mediterranean, and in both transitional regions, pre-Alpine and pre-Dinaric. It is also a species that reacts quickly to weather conditions. It is found mostly in deciduous and mixed forests, on forest margins and at higher mountain meadows. In the highlands it often grows on gravel. It can also be found in fairly low scree areas. As it thrives in various phytogeographic regions and grows in different habitats, a great intraspecific diversity was anticipated. Proceeding on the basis of the specimens collected in different parts of Slovenia, with the collection itself comprising 2000 units, a number of different plant types were stated and denominated as new types of this species. All were divided into four groups with respect to their leaf patterns, which is the most durable distinguishing sign, namely: silvery, semi-silvery, marbled, green. The most outstanding in the silvery group is C. purpurascens 'Idrija', in the semi-silvery group C. purpurascens 'Nova Gorica', in the marbled group C. purpurascens 'Ljubljana' and in the green group C. purpurascens 'Podsreda'.
Theme 1 Session 2: Genetic theory SPECIFIC FEATURES OF MEIOSIS IN THE SIBERIAN FIR (ABIES SIBIRICA) IN THE THE V.N. SUKACHEV INSTITUTE OF FOREST ARBORETUM Bazhina Elena, Kvitko O.V. & Muratova E.N. genetics@ksc.krasn.ru, V.N.Sukachev Institute of Forest Arboretum, Russia In an arboretum a plant individual is forced to adapt to new conditions, which often exert stress effects. Meiosis is one of the most vulnerable stages in ontogeny to environmental stress. The Siberian fir (Abies sibirica Ledeb.) trees growing in our arboretum possessed all previously described species specific features, such as asynchrony, rapid progression through telophases I and II, and distinctly identifiable prophase II. In comparison to natural conditions, the analysis of microsporogenesis in the Siberian fir during its artificial breeding revealed some specific features of meiosis, such as increased duration and wider spectrum of anomalies. Both general and specific types of irregularities were identified. As meiosis is under the genetic control, irregularities may be due to mutations. We believe that some irregularities, such as chromatin agglutination, may be reflected in pollen heterogeneity by the size and shape of pollen grains and decrease its fertility. In addition to the normal pollen grains, small grains and grains with abnormal numbers of air sacs were found. Apparently the described deviations in microsporogenesis could explain the high level (68-92%) of pollen sterility in the Siberian fir trees growing in the Arboretum. 41
Page 1: EuroGard V Botanic gardens in the a
Page 4 and 5: 4 The Botanic Garden - Live Science
Page 6 and 7: 6 GENERAL SCHEDULE T1 keynote1 = fi
Page 8 and 9: 8 MONDAY 8.00-9.00 Registration 9.0
Page 10 and 11: 10 T4, Session 1a: Plants and IT T4
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Page 14 and 15: 14 HOW CAN BOTANIC GARDENS BEST SER
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94 Theme 1 ARCHAEOBOTANICAL STUDIES
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96 Theme 3 HOW TO ACHIEVE THE OPTIM
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98 Theme 2 CONSERVATION AND SUSTAIN
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100 Theme 3 INVESTIGATION OF HERBAC
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102 Theme 2 EX SITU CONSERVATION OF
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104 Theme: 3 GERMINATION STRATEGIES
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106 Theme 1 IN VITRO MYCORRHIZATION
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108 Theme 1 EFFECTS OF SOIL TYPE AN
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110 Theme 2 SILENE DICLINIS: SEED M
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112 Theme 4 A NEW NETWORK FOR COOPE
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114 Theme 4 ENDEMIC PLANTS OF EAST
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116 Theme 3 DUTCH RED LIST PLANTS I
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118 Theme 4 ENSCONET: DISSEMINATION
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120 Theme 3 IN VITRO PROPAGATION AN
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122 Theme 3 THE STUDIES ON HELIANTH
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124 Theme 2 REVITALISATION AND UTIL
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126 Theme 3 THE TESTING OF INTRODUC
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128 Theme 2 BOTANIC GARDEN OF PETRO
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130 Theme 3 THE CONSERVATION OF CRI
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132 Theme 1 THE IMPACT OF ENVIRONME
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134 Theme 2 SEED BANKING IN THE NOR
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136 Theme 4 DEVELOPING THE ENSCONET
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138 Theme 2 INVENTORY OF BIOTOPES I
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140 Theme 4 GEOGRAPHIC INFORMATION
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142 Theme 4 ROLE OF BOTANICAL GARDE
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144 Theme 3 FIRST EVALUATION OF THE
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146 Theme 4 FINNISH THREATENED ARCT
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148 Theme 1 PRESERVING PHYTO-RESOUR
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150 Theme 2 INFORMING THE PUBLIC! E
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152 Theme 4 SOME PRIMARY AND SECOND
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154 Theme 5: THE GLOBAL AND EUROPEA
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156 Workshop 2: ENCOURAGING AND ENA
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158 Workshop 3: HOW CAN BOTANIC GAR
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160 Workshop 4: MANAGING THE INVASI
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162 Workshop 6: RECONCILING IN SITU
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164 Adams Trevor South African Nati
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166 Dapkuniene Stase Plant Gene Ban
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168 He-Nygrén Xiaolan Botanical Mu
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170 Laaka-Lindberg Sanna University
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172 Palini Pierluigi Botanic Garden
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174 Sennikov Alexander University o
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176 Väisänen Rauno Metsähallitus
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180 Supported by THE FEDERATION OF
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Botanic gardens in the age of climate change - PlantNetwork

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