Abstract:

Abstract: In order to enrich our country's system of grape juice varieties,five disease-resistant varieties of grape with high-quality juice introduced from the USA and grown in Yangling of Shanxi province in this work. Methods of field survey, determination of fruit quality, identification of disease resistance and research on processing performance was used to study the growth and processing performance of Concord, Campbell, Delaware, Catawba, Golden Muscat have been taken in a year. The results showed that the introduced grape juice varieties betray strong resistance; Concord, Campbell and Golden Muscat are of good fruit and juice quality with good processing performance; Of which, golden Muscat has a high yield and the average yield of each plant reaches 4.5kg; Campbell has higher juice ratio up to 70%; The Vc content, sugar-acid ratio and total phenol content of Concord are all high.