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Resistance of F1 Hybrids of Lycopersicon Genus to Populations of Meloidogyne Species

Zlatka Trifonova, Z. Vulkova

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Abstract

TRIFONOVA, Z. and Z. VULKOVA, 2007. Resistance of F1 hybrids of Lycopersicon Genus to populations of Meloidogyne species. Bulg. J. Agric. Sci., 13: 535-538 The reaction of F-1 hybrids of Lycopersicon spp. to Bulgarian populations of Meloidogyne incognita (Kofoid and White,1919) Chitw.1949 and M. hapla Chitw. were evaluated in a glasshouse at 26+2 o C.The plants were planted in plastic trays containing 12cm 3 of steam sterilized sandy soil and artificially infested with 10 000 eggs and juveniles of each nematode population per plant..Highly resistant to M.incognita and M.hapla were the hybrids No 9-4 and 9-6.Only few galls were found on the resistant hybrids No 8-42 and 8-48. The plants of number 9-8 were highly resistant to M. incognita and susceptible to M. hapla. The remaining cultivars were susceptible to the nematode populations tested.

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TRIFONOVA, Z. and Z. VULKOVA, 2007. Resistance of F1 hybrids of Lycopersicon Genus to populations of Meloidogyne species. Bulg. J. Agric. Sci., 13: 535-538 The reaction of F-1 hybrids of Lycopersicon spp. to Bulgarian populations of Meloidogyne incognita (Kofoid and White,1919) Chitw.1949 and M. hapla Chitw. were evaluated in a glasshouse at 26+2 o C.The plants were planted in plastic trays containing 12cm 3 of steam sterilized sandy soil and artificially infested with 10 000 eggs and juveniles of each nematode population per plant..Highly resistant to M.incognita and M.hapla were the hybrids No 9-4 and 9-6.Only few galls were found on the resistant hybrids No 8-42 and 8-48. The plants of number 9-8 were highly resistant to M. incognita and susceptible to M. hapla. The remaining cultivars were susceptible to the nematode populations tested.

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Available abstract

TRIFONOVA, Z. and Z. VULKOVA, 2007. Resistance of F1 hybrids of Lycopersicon Genus to populations of Meloidogyne species. Bulg. J. Agric. Sci., 13: 535-538 The reaction of F-1 hybrids of Lycopersicon spp. to Bulgarian populations of Meloidogyne incognita (Kofoid and White,1919) Chitw.1949 and M. hapla Chitw. were evaluated in a glasshouse at 26+2 o C.The plants were planted in plastic trays containing 12cm 3 of steam sterilized sandy soil and artificially infested with 10 000 eggs and juveniles of each nematode population per plant..Highly resistant to M.incognita and M.hapla were the hybrids No 9-4 and 9-6.Only few galls were found on the resistant hybrids No 8-42 and 8-48. The plants of number 9-8 were highly resistant to M. incognita and susceptible to M. hapla. The remaining cultivars were susceptible to the nematode populations tested.

Key concepts: Lycopersicon, Hybrid, Terra incognita, Biology, Meloidogyne incognita, Nematode, Cultivar, Population

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