PERFORMANCES OF HEAT TOLERANT TOMATO HYBRIDS UNDER SYLHET CONDITIONS

A Biswas, M S Islam, Z Uddin, B Debnath and A A Shimu
Journal of the Sylhet Agricultural University, Volume 2, Issue 1, 2015, Pages 15-19

Abstract:

An investigation was carried out at the experimental field of Horticulture Department, Sylhet Agricultural University during May to August 2013 with a view to evaluate the yield and yield attributing characters of ten tomato cross lines along with five parental lines under high temperature condition. Variations in relation to hypocotyl color, stem pubescence, seedling height and fresh weight of seedling at planting stage were observed among the hybrids and parental lines. Hypocotyl color of parental lines and hybrids exhibited purple and green color. Days to first flowering ranged from 45.67 to 51.00 days of the hybrids and parental lines. Yield and yield attributes of ten hybrids were much higher compared to their parental lines. The highest number of fruits plant-1 was recorded from the hybrid C41 × FP5 (35.50) followed by C41 × C11 (27.07). The hybrid C11 × C71 had the highest individual fruit weight (46.27 g) closely followed by FP5 × C71 (44.37 g). Among the 15 genotypes, the highest soluble solid (5.10%) was recorded in the hybrid C41 × C5. Fruit yield plant-1 of hybrid and parental lines ranged from 0.27 kg to 1.11 kg. The hybrid C41 × C11 produced the highest fruit yield plant-1 (1.11 kg) followed by C41 × FP5 (0.94 kg) which resulted in the highest hectare-1 yield from C41 × C11 (37.74 t ha-1) followed by C41 × FP5 (31.96 t ha-1).

Keywords:

Tomato genotype, cross combination, hybrid


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A Biswas, M S Islam, Z Uddin, B Debnath and A A Shimu. 2015. PERFORMANCES OF HEAT TOLERANT TOMATO HYBRIDS UNDER SYLHET CONDITIONS, Journal of the Sylhet Agricultural University 2(1): 15-19.