Effects of Two Types of Bio-protective Films on The Fruit Quality of Ruixianghong Apple
[Objective]The effect of biological protective film on the fruit quality of Ruixianghong apple was studied,and the feasibility of bag-free cultivation of Ruixianghong apple was explored by measuring the relevant indexes,so as to provide tech-nical basis and reference for bag-free production of apple.[Methods]Using 7-year old Ruixianghong apple as experimental mate-rial,two types of bio-protective films were used as examples,namely Kangluwei Organic Skin Film Protectant(T1)and Li-angjinbao Bio-surfactant(T2),and two controls were set up,namely bagging(CK1)and no bagging(CK2),in order to deter-mine the appearance quality and the intrinsic quality of the fruits,and to investigate the commerciality rate of the fruits.[Re-sults]The two types of bio-protective films improved the qualities of single fruit weight,soluble solids content,solid-acid ratio,Vc content,fruit calcium content,functional nutrient content of Ruixianghong apple,reduced titratable acid content,and im-proved the fruit coloring index compared with the bagging treatment;they improved the commercial rate,reduced the fruit rust index,fruit spot index,and the rate of diseased and insect pests fruits,and improved the fruit surface glossy index compared with the no bagging treatment.[Conclusion]Through the comprehensive evaluation of the main indicators related to the quality of different treatments of Ruixianghong apple,it can be seen by the ranking through the affiliation function calculation that the mean value of the two types of bio-protective films are greater than 0.7,all higher than the control treatment;Conloway or-ganic skin film treatment of fruit quality is optimal,and the effect is the best.
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