Konukçu bitkinin, patlican filiz ve meyve kurduna karsi direncinin biyokimyasal temeli, kültür patlican varyeteleri ve Solanum viarum'un geri çaprazlarindan seçilmis genotiplerde arastirildi. Peroksidaz, polifenol oksidaz, toplam fenoller ve solasodin içerikleri gibi biyokimyasal bilesenlerin çesitli seviyeleri, inter-spesifik çaprazlar ve bunlarin ebeveynlerinden elde edilen genotiplerde gözlemlendi. F6 EP65 x S. viarum çaprazlamasinda daha fazla polifenol oksidaz aktivasyonu gözlemlendi. Biyokimyasal bilesenlerin seviyeleri ile filiz ve meyve kurdu görülme orani arasinda açik bir baglanti oldugu görüldü. Bu çalisma sadece dirençten sorumlu biyokimyasal parametreleri göstermekle kalmamis, ayni zamanda filiz ve meyve kurduna dirençli daha üstün genotiplerin gelisimini de göstermistir.
The biochemical basis of host plant resistance for shoot and fruit borer of brinjal was investigated using selected genotypes from the back crosses involving cultivated brinjal varieties and Solanum viarum. The different levels of biochemical constituents namely peroxidase, poly phenol oxidase, total phenols, and solasodine contents were observed in genotypes derived from inter-specific crosses and their parents. A higher level of polyphenol oxidase activity was observed in interspecific cross F6 EP65 x S. viarum. There was a clear correlation between the levels of biochemical constituents and shoot and fruit borer incidence. This study showed the biochemical parameters responsible for the resistance but showed as well the development of superior genotypes with resistance to shoot and fruit borer.
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