Vernalization 3 Photoperiodism 2 The biological clock:rhythms of life 2 Acclimatization 1 Agrisilvice theory 1 Arabidopsis thaliana 1 Betula pendula 1 Cereals 1 Chilling 1 Cold 1 Cold resistance 1 Cold stress 1 Crop Ecology 1 Ecological pyramids 1 Environmental Tolerance of Plants 1 Field Crops, (New March 2000) 1 Forests and Forest Trees (Biology and Ecology) 1 Frost 1 Frost resistance 1 Genes 1 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 1 Genetic engineering 1 Genetic transformation 1 Genetically engineered organisms 1 Germination and dormancy 1 Growth 1 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 1 Molecular genetics 1 Photomorphogenesis 1 Photosynthesis 1