Abstract

The objective of this research was to screen the tomato accessions for quantative and qualitative traits under agro climatic condition of Peshawar. 17 tomato accessions with a tomato commercial cultivar were evaluated in randomized complete block design with three replication at The University of Agriculture Peshawar, during kharif season 2016. Quantative traits studied were juice pH, total soluble solids, days to flowering, plant height, fruits plant-1, fruit weight and fruit yield plant-1. While qualitative traits comprised plant growth type, canopy size, leaf type, flower inflorance, fruit color, fruit shape and fruit firmness. Highly significant differences were observed among tomato accessions for all the quantative traits studied except juice pH. While qualitative traits showed that maximum accessions had indeterminate growth habit (88.9%), Intermediate canopy size (55.6%), curled leaf type (66.7%), medium number of flowers inflorescence-1 (55.6%), red fruit color (61.1%), deep globe fruits (26.7%) and soft fruit firmness (83.3%). Fruit yield plant-1 showed significant positive correlation with juice pH (r=0.580**), TSS (r=0.500**), plant height (r=0.420**), fruits plant-1 (r=0.410**) and fruit weight (r=0.920**) except days to flowering (r=-0.310**) which showed significant negative correlation with fruit yield plant-1. Roma showed highest value of fruit juice pH (4.1), total soluble solids (6.1), fruit weight (54.2 g) and fruit yield plant-1 (688.7 g). Therefor this study suggested that Roma and 31910 could be recommended as commercial cultivars under agro climatic condition of Peshawar and also could be used in future tomato breeding programs. Keywords: Evaluation; Tomato accessions; Quantative traits; Qualitative traits; Correlation http://dx.doi.org/10.19045/bspab.2017.600145

Highlights

  • Introduction solanaceae with approximately90 genera and Tomato (Lycopersicon esculentum) is a self-3,000-4,000 species, some of which are pollinated fruit berry and the second most economically important such as potatoes, important vegetable crop cultivated eggplants, peppers and tobacco [2, 3]

  • Therefor this study suggested that Roma and 31910 could be recommended as commercial cultivars under agro climatic condition of Peshawar and could be used in future tomato breeding programs

  • The current study was conducted to know about the genetic variability of quantitative and qualitative traits in tomato germplasm under agro climatic condition of Peshawar and to select the most promising tomato accessions for future breeding programs

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Summary

Introduction

Introduction solanaceae with approximately90 genera and Tomato (Lycopersicon esculentum) is a self-3,000-4,000 species, some of which are pollinated fruit berry and the second most economically important such as potatoes, important vegetable crop cultivated eggplants, peppers and tobacco [2, 3]. Tomato as a major horticultural vegetable crop has attained a tremendous popularity It can be grown in most places all over the world, like growing in the field, greenhouses and net houses. Materials and methods The experiment was carried out at The University of Agriculture Peshawar in summer season 2016.17 tomato accessions and a commercial variety were procured from National Agricultural Research Centre (NARC), Islamabad (Table 1). Those seeds were sown in plastic tubes on 17 March, 2016. Correlation and frequency distribution of qualitative traits were analyzed using statistical package ‘STATISTICA-V.8.1

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