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Identification and inheritance of resistance to foliar blight of wheat

By: Singh, D | Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Mexico DF (Mexico).
Contributor(s): Duveiller, E.|Dubin, H.J.|Reeves, J.|McNab, A [eds.] | Singh, A.K [coaut.] | Singh, B.N [coaut.] | Singh, R.V [coaut.].
Material type: materialTypeLabelBookAnalytics: Show analyticsPublisher: Mexico, DF (Mexico) CIMMYT|UCL|BADC : 1998ISBN: 970-648-001-3.Subject(s): Blights | Disease resistance | Genetic inheritance | Plant diseases | CIMMYT | Triticum | Genotypes AGROVOCDDC classification: 633.1194 Summary: A total of 102 wheat genotypes were tested for resistance to Bipolaris sorokiniana and Alternaria triticina under artificial epiphytotics for three consecutive crop years. Among these, 13 genotypes (PATO (R)/3/TZPP/SN64//NAR, VEE"S", BOW"S", KVZ/BON, BJY"S"// TOB/CHA, PF 70354/YACOS"S", HD2206/HORK"S", DL 153-2, HS 284, NI 8289, BW 1052, BW 11259, and CPAN 1910) constantly showed resistance throughout the years of testing. Twenty-one genotypes were found to be moderately resistant; 48, moderately susceptible; 15, susceptible; and 5, highly susceptible. No genotype was found to be free from foliar blight. In inheritance studies, F1 progenies of all crosses (NI 8289/UP 262, CPAN 1910/ UP 262, and NI 8289/HUW 234) showed high susceptibility to foliar blight and were comparable to parents UP 262 and HUW 234. In the F2 generation, the segregation in all rosses followed a 1 (resistant):15 (susceptible) ratio, indicating that inheritance of resistance to foliar blight is controlled by two major recessive genes.Collection: CIMMYT Publications Collection
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Conference proceedings CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Publications Collection 633.1194 DUV (Browse shelf) 1 Available 1L624337
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A total of 102 wheat genotypes were tested for resistance to Bipolaris sorokiniana and Alternaria triticina under artificial epiphytotics for three consecutive crop years. Among these, 13 genotypes (PATO (R)/3/TZPP/SN64//NAR, VEE"S", BOW"S", KVZ/BON, BJY"S"// TOB/CHA, PF 70354/YACOS"S", HD2206/HORK"S", DL 153-2, HS 284, NI 8289, BW 1052, BW 11259, and CPAN 1910) constantly showed resistance throughout the years of testing. Twenty-one genotypes were found to be moderately resistant; 48, moderately susceptible; 15, susceptible; and 5, highly susceptible. No genotype was found to be free from foliar blight. In inheritance studies, F1 progenies of all crosses (NI 8289/UP 262, CPAN 1910/ UP 262, and NI 8289/HUW 234) showed high susceptibility to foliar blight and were comparable to parents UP 262 and HUW 234. In the F2 generation, the segregation in all rosses followed a 1 (resistant):15 (susceptible) ratio, indicating that inheritance of resistance to foliar blight is controlled by two major recessive genes.

English

9806|AGRIS 9802

Jose Juan Caballero

CIMMYT Publications Collection

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