Journal of Food, Agriculture and Environment

Investigation of yield and adaptation of ten selected genotypes of tomato under subtropical climate conditions (Ahvaz)

Author(s):

Seyed Morteza Zahedi *, Naser Alemzadeh Ansari, Seyyed Abdullah Eftekhari

Recieved Date: 2011-11-18, Accepted Date: 2012-01-03

Abstract:

Ten selected tomato genotypes of diverse origin were grown in Shahid Chamran University of Ahvaz, Iran, in a randomized block design with three replications for two successive seasons (2009, 2010). The Cheff cultivar which is more culture in the region was used as control. The aim of this experiment was to evaluate and select tomato cultivars, which could be grown for raw material and future breeding, taking into account their nutrition composition. Highly signicant differences were encountered among the different genotypes for most of the generative characters, such as time of maturity, plant height, fruit weight at first and second fruit, fruits weight (first, second and three harvests) and total yield per plant. Based on results obtained from this study, the genotype ‘No.16 (3.42 kg per plant)’ proved to be high yielding under subtropical climate conditions in comparison to other genotypes and control cultivar (Cheff). The following fruit quality parameters were evaluated: the amount of lycopene, vitamin C, firmness, total soluble (TSS), titratable acid (TA), TSS/TA ratio and pH in fresh tomato. Mean comparison of genotypes revealed that genotype No.28 was the highest amount of pH, TSS, TA and TSS/TA ratio and genotype No.36 was the highest amount of vitamin C (38.30 mg 100 g^-1) and lycopene (26.86 mg/kg). This experiment showed that the some genotypes are high power for adaptation with under subtropical climate (Ahvaz) conditions and may be used in future breeding.

Keywords:

Genotype, yield, lycopene, vitamin C, firmness

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Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 1
Category: Environment
Pages: 782-786

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