gai lan x cauliflower cross study Jul 24, 2016 13:02:34 GMT -5 rangardener likes this Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by shoshannah on Jul 24, 2016 13:02:34 GMT -5 www.scielo.br/pdf/gmb/v23n1/2335.pdfStudy shows white flower showed a higher adaptive value over yellowwww.researchgate.net/post/How_can_I_study_floral_polymorphism_into_the_same_specie2"Both white are linked to heat resistance of plants. Yellow - to cold tolerance. "This is interesting because Tronchuda (white flowers) is not wintering over for some people.Mixing in some of the warmer climate variations may add more heat resistance? or vice versa.