Role of the Fungal Flora on Kernel Rot of Chestnuts

Authors : Deniz ÇAKAR, seçil AKILLI

Pages : 143-152

Doi:10.24180/ijaws.1252736

View : 58 | Download : 69

Publication Date : 2023-08-21

Article Type : Research Paper

Abstract :In order to determine the fungi causing kernel rot on chestnut, 150 chestnut kernels were collected from chestnut forests of Düzce province. Ninety-eight of the kernels showed necrosis at various sizes, while the rest of 52 were healthy in appearance. Twelve fungi were recovered from the necrotic kernels, while four from the healthy kernels. The most frequently isolated fungus from the necrotic kernels was Gnomoniopsis smithogilvyi, obtained from 24 of the kernels. It was also isolated from 5 healthy kernels and produced necrosis when inoculated on the intact kernels. Besides G. smithogilvyi; 11 fungi; Diplodina castanea insert ignore into journalissuearticles values(1);, Botrytis cinerea insert ignore into journalissuearticles values(6);, Aureobasidium sp. insert ignore into journalissuearticles values(4);, Alternaria alternata insert ignore into journalissuearticles values(2);, Alternaria tenuissima insert ignore into journalissuearticles values(1);, Penicillium spp. insert ignore into journalissuearticles values(19);, Trichoderma sp. insert ignore into journalissuearticles values(12);, Cladosporium sp. insert ignore into journalissuearticles values(2);, Cylindrocarpon sp. insert ignore into journalissuearticles values(2);, Mucor sp. insert ignore into journalissuearticles values(10);, Rhizopus stolonifer insert ignore into journalissuearticles values(5); and bacterial growth were also recovered from necrotic kernels. On the other hand, G. smithogilvyi insert ignore into journalissuearticles values(5);, Penicillium sp. insert ignore into journalissuearticles values(9);, Trichoderma sp. insert ignore into journalissuearticles values(6);, Mucor sp. insert ignore into journalissuearticles values(3); and bacterial growth were also found out from the symptomless kernels. G. smithogilvyi, D. castanea, B. cinerea, Cladosporium sp. and Penicillium sp. produced necrosis at varying rates when inoculated on to intact kernels. Compared to other species, Penicillium sp. showed the lowest rate of pathogenicity, which was the dominant fungus on the healthy fruits and recovered from 9 of them.
Keywords : Castanea sativa, meyve çürüklüğü, fungal flora