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The main subject of Cerasus campanulata seed breeding, asexual reproduction technology research . Study the parameters of the different variations of temperature stratification variable temperature stratification test Cerasus campanulata seed of Cerasus campanulata seed germination , variance analysis to seek the best variable temperature parameters to guide the production practice . Cerasus campanulata hardwood cuttings trial to study the different time periods , different rooting agent Cerasus campanulata cuttings rooting rate , analysis of variance to find the best cutting time , the best rooting agent and its concentration ratio . Cerasus campanulata grafting test to study the different time periods, different grafting on the survival rate of Cerasus campanulata looking for Fujian Yamazakura 's best grafting time and method of analysis of variance . The results showed that : ( 1 ) the different temperature stratification , Cerasus campanulata Seed germination and there is a big difference . 10d then 5 ° C thermostat 5 ° C to 20 ° C variable temperature 30d, Fujian wild cherry tree seed germination rate highest . Stratification for the duration of Cerasus campanulata seed germination rate also has a certain impact , to deal with the increase in the length of time , the germination rate slowly improved after increased to a certain extent no longer improve . (2 ) Cerasus campanulata best cutting time is mid to late October , the cuttings rooting rate can reach 56.67% . Cuttings rooting rate changes over time , showing a decreasing trend . While the study found , the rooting agent Cerasus campanulata cuttings rooting role in promoting IBA strongest , followed by the NAA , ABT no significant role . IBA concentration of 500 mg / kg when promoting Cerasus campanulata Rooting the best . These two factors combine to best effect . Among them, the likely reason is that late winter and early spring flowering, Fuzhou, Fujian wild cherry tree branches germination earlier related . The same time , the spring ground temperature higher than the temperature , and the temperature is rising , branches gradually accelerate germination and growth , conducive to rooting seedlings . (3 ) through six different time periods Cerasus campanulata grafting treatment, grafting the highest survival rate in early December , with the passage of time was a downward trend . Budding survival rate than grafting a high survival rate, 98% and 92% , respectively .
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