A Comparison of Phenotypic Root Characteristics in Local Eggplant Genotypes (Solanum melongena L.) Infected and Non-Infected with Fusarium oxysporum f. sp. melongenae
2020
Balkaya, Ahmet | Özgen, Tolga | Erper, İsmail | Murat Doğru, Şenay
The eggplant (Solanum melongena L.) is an important vegetable species cultivated under openfield and greenhouseconditions in Turkey. In recent years, due to fungal disease in eggplant growing areas, yield quantity and fruit qualityproblems have been encountered. One of the mos t effective precautions agains t disease is to determine the genetic materialsthat are resis tant or tolerant to disease and evaluate them in the plant breeding programs. The number of breeding s tudiesfor forming a s trong root sys tem in varieties of eggplants is very limited in Turkey. The mos t important criteria that affectthe performance in varieties of eggplant are the root s tructure and the ability of development under s tress conditions.This s tudy inves tigated 66 local eggplant genotypes agains t infection by Fusarium oxysporum f. sp. melongenae. Plantsinoculated with Fusarium oxysporum f. sp. melongenae and non-inoculated (control) plants were subjected to a separates tatis tical analysis. The Karabey F1 was used as the positive control variety. The root sys tem architectures parameters(total root length, the root surface area, the root volume, and the root diameter) were determined using the WinRHIZOprogram. The total root length ranged from 14.57 cm (G43-3) to 787.09 cm (G91), the root surface area ranged from5.20 cm2 (G42) to 457.53 cm2 (G91), the root volume ranged from 0.10 cm3 (G42) to 26.22 cm3 (G128), and the rootdimeter changed 0.60 mm (G144) to 5.87 mm (G152). When all the characteris tics that cons tituted the root canopy wereevaluated together, the root traits of genotype G91 and genotype G113 were found to be s tronger and superior comparedto the other local eggplant genotypes.
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