Selection Of Potted Spray Chrysanthemum And Application Of B9 In Out-of-season Cultivation

The internationally annual consumption of pot pray chrysanthemums increase gradually that is the same as the increase of market and people in China.We have rich plant resources without the patent and technologies by our own.This research expects to find a set of technologies which is suitable to year-round production in the cultivation environment of our country.The main results are summarized as follows:1.Through a questionnaire investigation about the consumption prospect of pot pray Chrysanthemum,the author understood the requirement of characters and were aware of questions of consumers about pot pray chrysanthemum.We have made the primary quality standard of Chinese potted chrysanthemum.2.This research deals with year-round production of four varieties selected before: 'Bianliangziyu','Xiaofenju','Mailang'and'Taohuajian'.We have already worked out a suit of suitable concentration of B9 on those varieties and the cultivation management methods,and have achieved the goal that those varieties can bloom in three periods in Beijing.3.This research concerns on the effect of B9 on the potted chrysanthemums,and the result is: 2g/L and 4g/L of B9 are the better concentrations on the pot pray chrysanthemums which can improve the watching qualities in some extents.4.Through the cool storage experiment,the result is:Cool storage can improve the watching qualities in some extents.14 days cool-storage is the better time for those varieties,but different varieties have little difference in the time of cool storage.5.Through the research,the author proposes the technigues of out-season cultivation.