Abstract
The four F1 hybrid tomato lines (CT2011, CW2011, TS2011, and CLN2011) and two commercial F1 hybrid tomato cultivars used as control (TN52 and TN561) were evaluated for yield and yield components. The efforts were made to minimize reliance on the import of hybrid seed. The experiment was laid out in randomized complete block design (RCBD) with three replications in spring-summer season 2015. Data was recorded on five plants for each replication. The results indicated that all of F1 tomato hybrid lines grew well under Thua Thien Hue condition. CT2011 had the highest plant height, followed by TS2011 and CLN2011. CT2011 is a cherry type and obtained the highest percentage of fruit setting (82.87%) and the highest of Brix (4.97). This line also had high yield (70.91 tons/ha). TN52 had the highest yield (80.69 tons/ha) among the processing tomato lines, and TN561 had the biggest fruit (90.1 g). All of F1 hybrid tomato lines had high resistant level to late blight and bacterial wilt diseases.
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