Savior tomato cultivar is semi-determinate type with high potential yied, good fruit quality, good adaptation for both fresh and processing consumption. It has been growing in large area in Red river delta (RRD). However, identifying the optimum season to get the highest yield still gap. This study to find the answer of question when is the best optimum season for Savior in RRD to support for grower with highest benefit Total of 12 transplanting times had been conducted in which 2 transplating times in summer-auturm season, 3 transplating times in autum-winter, 3 transplating times in winter season and 4 transplating times in spring-summer condition. The starting transplanting time was July. 20th and the last transplating times was Feb. 20th, and every 10 days for 1 transplanting time. Research results indicated that it was effective significantly between transplating times to growth duration, harvesting duration, yield, TYCLV, bacterial wilt, downy mildew effected. Conclusion that Savior cultivar can be growth at both off-season and main season in RRD with yield 67 tons/ha at main season and 46 tons/ha at off-season. Demo of identified cultivated method at multi locations at of seasons brought high benefit, special at Summer-Auturm season from 106.9 million vnd/ha to 173.2 million VND/ha that really high benefit for tomato grower.
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