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1974•Indian Journal of Genetics and Plant Breeding (The)Requires access

Heterosis in Tomato

Rohan Mital, H. N. Singh, R. R. Singh, Jang Bahadur Singh

Open publisher page 21 citations

Abstract

The performance of 14 hybrids involving 7 selected lines and two male parents from genetic stocks of diverse origin were examined to investigate the extent of heterosis in various crosses. Marked heterosis was observed in many crosses for all the characters examined and more pronounced effects were found for early yield than total yields. No. of fruits/plant and fruit weight were observed to be main characters affecting the yield. Overall study of the hybrid vigour revealed that cross Kuber × HB 5 possessed maximum desirable characters and potentials for commercial exploitation. Cross Angoorlata × HB 5 also was found promising for early as well as total yield.

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What this paper is about

The performance of 14 hybrids involving 7 selected lines and two male parents from genetic stocks of diverse origin were examined to investigate the extent of heterosis in various crosses. Marked heterosis was observed in many crosses for all the characters examined and more pronounced effects were found for early yield than total yields. No. of fruits/plant and fruit weight were observed to be main characters affecting the yield. Overall study of the hybrid vigour revealed that cross Kuber × HB 5 possessed maximum desirable characters and potentials for commercial exploitation. Cross Angoorlata × HB 5 also was found promising for early as well as total yield.

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Available abstract

The performance of 14 hybrids involving 7 selected lines and two male parents from genetic stocks of diverse origin were examined to investigate the extent of heterosis in various crosses. Marked heterosis was observed in many crosses for all the characters examined and more pronounced effects were found for early yield than total yields. No. of fruits/plant and fruit weight were observed to be main characters affecting the yield. Overall study of the hybrid vigour revealed that cross Kuber × HB 5 possessed maximum desirable characters and potentials for commercial exploitation. Cross Angoorlata × HB 5 also was found promising for early as well as total yield.

Key concepts: Heterosis, Hybrid, Biology, Yield (engineering), Forensic science, Veterinary medicine, Horticulture, Biotechnology

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