Vernalization and Photoperiodism 



-80 — 



A Symposium 



we have seen in which the different ranges of wave length have a different 

 influence on the stages of reproduction. 



Table 1 : List of Species (species belonging to the Cruciferae have been given in 

 italics; S = short day plant; L = long day plant) : — 



Group O, photoperiodicallv indifferent: 



Aethionema saxatile 

 Alonsoa warswiczii 

 Biscutella auriculata 

 Calceolaria pinnata 

 Cardamine pratensis 

 Doronicum pardalianches 



Erucastrum obtusangulum 

 Erysiimim cheiranthoides 

 Loasa vulcanica 

 Taraxacum officinale 

 Teucrium scordium 

 Thlaspi arvense 



Biscutella laevigata 



INTERMEDIARY BETWEEN O AND IV : 



Sisymbrium irio 

 Group I [W-R] [B-D] : 



Anthemis tinctoria L 

 Aster ericoides S 

 Aster linosyris S 

 Aster multiflorus S 

 Callistephus sinensis S 

 Campanula persicifolia L 

 Campanula phyctidocalyx L 

 Campanula rotundifolia L 

 Centaurea montana L 

 Cosmos bipinnatus S 

 Dianthus barbatus L 

 Fuchsia hybrida L 

 Glycine hispida S 



Glycine soja S 

 Hedera amorensis S 

 Hedera colchica S 

 Helichrysum bracteatum L 

 Heliotropium peruvianum 

 Lactuca sativa L 

 Lycopus europaeus L 

 Lysimachia ciliata L 

 Matricaria eximia nana L 

 Mentha silvestris L 

 Plectranthus purpureus S 

 Sedum kamtschaticum L 

 Solidago virgaurea S 



INTERMEDIARY BETWEEN I AND II : 



Chrysanthemum indicum (8 var.) S 

 Hypochoeris radicata L 



Salvia glutinosa S 



Group II [W-R-B] [D] : 



Achillea millefolium L 

 Alyssum maritimum L 

 Argyratum mexicanum L 

 Azalea indica L 

 Brunella vulgaris L 

 Camelia japonica S 

 Centaurea cyanus L 

 Eschscholtzia californica L 

 Iberis umbellata L 

 Lobelia erinus L 

 Malcolmia maritima L 

 Matricaria chamomilla L 

 Matricaria inodora L 

 Matthiola incana L 

 Mentha rotundifolia L 

 Mimulus luteus L 

 Ocimum basillicum L 



Gnaphalium lanceolatum L 



Oxalis martiana L 

 Perilla nankinensis S 

 Plectranthus fruticosus I 

 Rudbeckia speciosa L 

 Salvia runcinata L 

 Scrophularia nodosa L 

 Sedum aizoon L 

 Sedum selskianum L 

 Sedum spectabile L 

 Sedum telephium 

 Silene inflata L 

 Statice puberula L 

 Teucrium chamaedrys L 

 Trifolium pratense L 

 Turritis glabra L 

 Veronica chamaedrys L 



Group III [W] [R-B-D] : 



Lcpidium draba L 



