Journal of Food, Agriculture and Environment

Performance of single, double and three-way cross hybrids in tomato (Lycopersicon esculentum Mill.)

Author(s):

Aline Ashakina, Md. Hasanuzzaman, Md. Arifuzzaman*, Md. Waliur Rahman, Md. Lutful Kabir

Recieved Date: 2015-09-02, Accepted Date: 2015-12-23

Abstract:

The choice of tomato hybrids becomes ever more important for increase of yield and quality. The major objective of the research was focused to evaluate the yield performance and heterosis of tomato hybrids. In this regard, ten single, five three-way and seven double cross hybrids of tomato were evaluated for ten different yield contributing characters with a check variety. The experiment was conducted using randomized complete block design with three replications at the experimental field of Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh, from November, 2013 to April, 2014. The three categories of hybrids revealed significant differences among the genotypes and exhibited high variation for the majority of characters studied. The single cross hybrids depicted stronger performance for days to 50% flowering (18.33 days after transplanting), number of fruits/plant (133.8) and yield/plant (4.03 kg). As expected, three-way cross hybrids were most uniform followed by double cross hybrids. Among the crosses, the highest significant positive heterobeltosis for number of fruits/plant and yield/plant were revealed in single cross hybrids. The highest significant positive heterobeltosis was found in double cross hybrid for shelf life. For days to 50% flowering, significant negative heterobeltosis indicating early flowering was recorded for most of the crosses except one single cross hybrid. The hybrid C₁₄ produced from single cross exhibited the highest performance for yield contributing characters compared to three-way, double cross hybrids and the check variety. This hybrid can be used in future for the development of tomato hybrid varieties though hybrid breeding program.

Keywords:

Heterosis, hybrid, yield, tomato

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Journal: Journal of Food, Agriculture and Environment
Year: 2016
Volume: 14
Issue: 1
Category: Agriculture
Pages: 71-77

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