Sources of Resistance to Races of Xanthomonas vesicatoria – Causal Agent of Bacterial Spot of Tomatoes

Daniela Ganeva; Kamelia Aleksandrova; Nevena Bogatzevska

Sources of Resistance to Races of Xanthomonas vesicatoria – Causal Agent of Bacterial Spot of Tomatoes

Yıl 2014, Cilt: 1 Sayı: Özel Sayı-1, 1315 - 1321, 01.03.2014

Daniela Ganeva Kamelia Aleksandrova Nevena Bogatzevska

Öz

Bacterial spot of tomatoes is caused by the bacteria Xanthomonas vesicatoria and it is economically significant for Bulgaria, affecting quality and yield of tomato crops, especially in warm and wet seasons. Current investigation aimed to identify sources of resistance to races Т1, Т2 and Т3 of X. vesicatoria in 14 tomato breeding lines. A differential reaction of the lines to pathogen races was observed. An individual plant selection of healthy and hypersensitive progenies was made for three generations within the lines with resistant reaction. Redistribution of the percentage of plants by disease rating was observed in the progenies. As a result pure lines with greatest number of healthy and hypersensitive plants were selected. These could be used as sources for resistance to bacterial spot on tomatoes, caused by X. vesicatoria

Anahtar Kelimeler

Solanum lycopersicum, bacterial spot, sensitivity, breeding

Kaynakça

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