CAJ | 학술논문

以“美香”桃为试材，于果实着色前用25 mg/L的脱落酸（ ABA）溶液喷施叶片，研究了ABA处理促进桃果皮着色的效果以及对果皮花色素苷合成相关基因表达的影响。结果表明，ABA处理对果实单果重、可溶性固形物含量和固酸比影响不显著，但明显改善果实着色，果皮花色素苷含量增加了39.48％，果面光泽明亮度（ L*值）和色调角（ h*值）分别下降了6.86％和18.64％，红绿色差指标（ a*值）增大了134.19％。 ABA处理显著促进了查尔酮合成酶基因（ CHS）的上调表达以及类黄酮葡萄糖苷转移酶基因（ UFGT）、二氢黄酮醇4-还原酶基因（ DFR）、花色素合成酶基因（ LDOX）的提前表达。据此推测，ABA可能参与了桃果实花色素苷合成的调控，对花色素苷合成具有促进作用。
이“미향”도위시재，우과실착색전용25 mg/L적탈락산（ ABA）용액분시협편，연구료ABA처리촉진도과피착색적효과이급대과피화색소감합성상관기인표체적영향。결과표명，ABA처리대과실단과중、가용성고형물함량화고산비영향불현저，단명현개선과실착색，과피화색소감함량증가료39.48％，과면광택명량도（ L*치）화색조각（ h*치）분별하강료6.86％화18.64％，홍록색차지표（ a*치）증대료134.19％。 ABA처리현저촉진료사이동합성매기인（ CHS）적상조표체이급류황동포도당감전이매기인（ UFGT）、이경황동순4-환원매기인（ DFR）、화색소합성매기인（ LDOX）적제전표체。거차추측，ABA가능삼여료도과실화색소감합성적조공，대화색소감합성구유촉진작용。
To investigate of influence of ABA on coloration and expression of genes related to anthocyanin synthesis , a 25 mg/L of ABA solution was sprayed on peach before the peach coloring ( cultivar , Meixiang ) .The results show that the foliar application of ABA ( 25 mg/L ) has no significant effects on the fruit weight , mass fraction of soluble solids and total soluble sugar ( TSS) -acid ratio in flesh, while can improve coloration and the content of anthocyanin by 39.48%.The ABA treatment decreases L* and h* values much , and increases a*value.In addition, the ABA treatment up-regulates CHS expression and significantly accelerates UFGT, DFR and LDOX expression .These results indicate that ABA might be involved in the regulation of anthocyanin accumulation in peach and the improvement of the level of anthocyanin accumulation in peach .