Evaluation of Some Indeterminate Exotic Genotypes of Tomato

Document Type : Original Article

Authors

1 Vegetables Research Department, Horticulture Research Institute, Agricultural Research Center, Ministry of Agriculture, Giza, Egypt

2 Horticulture Department, Faculty of Agriculture, Ain Shams University, Cairo, Egypt

Abstract

The study aimed to evaluate the performance of 15 exotic indeterminate genotypes of tomato (Solanum lycopersicum L.) to determine their suitability for cultivation under greenhouse conditions. The study material was obtained from two globally known gene banks, namely, the Center for Genetic Resources of the Netherlands and the U.S. National Plant Germplasm System (GRIN-Global) of the United States Department of Agriculture. One locally registered hybrid, Asya, was used as the control. The experimental layout was a complete randomized block design with three replications. The data collected were vegetative, flowering, and fruit characteristics as well as the number of fruits and both early and total yield per plant. High significant differences were observed among the exotic genotypes and control for all the studied attributes. The mean control values of fruit weight, firmness and pericarp thickness were significantly high, and several of the exotic genotypes exceeded the control values for vegetative, flowering, and yield characteristics under study. The genotypes coded as G.21 (Allround), G.18 (Alicante), G.6 (Marsol), G.7 (Harzer Kind) and G.3 (Robar) are promising for their overall performance in the total yield per plant and can be recommended for further exploitation to produce hybrids.

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