Effects of spraying boric acid and biological immune membrane on the appearance quality of'Hanfu'apple
The effects of spraying boric acid solution and"Guoliang biological immune membrane"solution on fruit color and smoothness were studied with'Hanfu'apple.The results showed that spraying boric acid solution and"Guoliang biological immune membrane"solution could increase the Chromatic aberration index(CCI),anthocyanin content,flavonoid content,total phenol content,wax content,phenylalanine ammonia lyase(PAL)activity,soluble sugar content,soluble solids content and single fruit weight.Spraying boric acid solution had more significant effects on anthocyanin content,cyanidin-3-galactoside content and PAL enzyme activity in peel.In summary,compared with bagging and control,spraying boric acid solution and"Guoliang biological immune membrane"solution can improve the appearance quality of'Hanfu'fruit.The experimental results have reference significance for exploring bagless cultivation of apple.
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