In this investigation the effects of cultivar, row spacing and different stages of maturity on qualitative characteristics of tomato (ascorbic acid, total soluble solids (TSS), β-carotene and lycopene) have been evaluated. Experiment was performed by factorial analysis with 3 replicates in completely randomized design (CRD). First treatment was three cultivars of tomato, second treatment was four planting distances and third treatment was different stages of maturity. The results showed that all treatments had significant influence on the levels of ascorbic acid, soluble solids, β-carotene and lycopene. Generally, wider spacing and deep red fruits had the highest quality. Therefore, choosing appropriate cultivars, special planting distances and suitable stage of maturity can increase fruit quality of tomato.

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