‘Sweet Gold’ is a new promising kiwifruit variety developed for high soluble solid content and firmness at the Research Institute of Climate Change and Agriculture, National Institute of Horticultural and Herbal Science, Rural Development Administration, Korea, in 2010. This variety was selected from seeds obtained by the cross between
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The study was conducted to obtain the basic information for extending the harvest season and selecting superior cultivars of mango. For the purposes, various cultivars were imported and cultivated in greenhouse condition, Korea. The periods of flowering and fruit maturity and fruit qualities among cultivars were investigated under greenhouse condition. As the early variety, the harvest time of ‘Carrie’ and ‘Glenn’ was fastest as June 3 based on harvest time and cumulative temperature. ‘Kent’, ‘Philippine’, ‘Irwin’, ‘Choc-anon’, and ‘Fairchild’ as the early variety were harvested from June 8 to June 13. ‘Zill’, ‘Florigon’, ‘Alphonso’, ‘Mallika’, ‘Kensington Pride’, ‘Bailey’s Marvel’, and ‘Pinkering’ as midseason cultivar were harvested from June 15 to June 23. ‘Dot’, ‘Keitt’, ‘Gold Nugget’, and ‘Lancetilla’ as late ripening variety were harvested from July 5 to July 10. The fruit weights of ‘Keitt’ and ‘Kent’ were more than 650g and those of ‘Fairchild’ and ‘Lancetilla’ were less than 200g. The fruit weights of other cultivars were from 300 to 400g. The soluble solid contents of ‘Zill’, ‘Irwin’, ‘Kent’ and ‘Glenn’ were almost 15Brix and those of other cultivars were higher than that of ‘Irwin’. The soluble solid contents of ‘Pinkering’, ‘Philippine’, ‘Lancetilla’, ‘Dot’, and ‘Alphonso’ were about 20Brix and flavors of those cultivars are excellent. The acid contents of cultivars were investigated from 0.2 to 0.4% but that of ‘Fairchild’ was 0.8%.
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