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Screening maize (Zea mays) genotypes for Striga hermonthica resistance in sudan: a three-year progress report

By: Meseka, S.K | Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT) Kenya | 7. Proceedings of the Eastern and Southern Africa Regional Maize Conference Nairobi (Kenya) 5-11 Feb 2002.
Contributor(s): Friesen, D.K.|Palmer, A.F.E [eds.] | Nour, A.M [coaut.].
Material type: materialTypeLabelBookAnalytics: Show analyticsPublisher: Nairobi (Kenya) KARI|CIMMYT : 2002Description: p. 179-182.ISBN: 970-648-120-6.Subject(s): Cultivation | Disease control | Experimentation | Maize | Striga hermonthica | Sudan | Yield increases | CIMMYT | KARI | Genotypes AGROVOCDDC classification: 338.16 Summary: Experiments were conducted in a Striga-sick plot for three seasons (1998-2000) in Medani to evaluate maize (Zea mays L.) genotypes for Striga hermonthica resistance. A total of 327 genotypes were tested. Striga population, grain and straw yield were used to evaluate Striga parasitism. Days to 50% silking, Striga counts, grain and straw yields were significant (P<0.05). In the first season (1998), the best local variety Kadogli gave straw yield of 6,902 kg/ha; hybrids S-97206-24 (9,816 kg/ha) and S-97206- 30 (9,462 kg/ha ) were tolerant to Striga. During 1999 season, genotypes KB98B-98203-10 (1,725 kg/ha), TZLCOMP11-WC4 (1,572 kg/ha) and KBO98B-98204-7 (1,570 kg/ha) showed relative tolerance to S. hermonthice. Mugtama-45, a local check, gave grain yield of 1,225 kg/ha. While in the 2000 season, Striga infestation was generally low. Genotypes EM99B-99225-5 (3,063 kg/ha), EM99B-99225-7 (3,047 kg/ha), and EM99B-99225-14 (3,032 kg/ha) were identified as high yielders. Mugtama-45 had grain yield of 1,734 kg/ha. Good performance of genotypes during the 2000 season may be attributed to low Striga infestation as shown by Mugtama-45 with an increase of 42% in grain yield over the 1999 season. In all the seasons, relative tolerance of some genotypes was evident but Striga population was not consistent with grain and straw yields.Collection: CIMMYT Publications Collection
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Item type Current location Collection Call number Copy number Status Date due Barcode Item holds
Book CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Publications Collection 338.16 FRI (Browse shelf) 1 Available Q630188
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Experiments were conducted in a Striga-sick plot for three seasons (1998-2000) in Medani to evaluate maize (Zea mays L.) genotypes for Striga hermonthica resistance. A total of 327 genotypes were tested. Striga population, grain and straw yield were used to evaluate Striga parasitism. Days to 50% silking, Striga counts, grain and straw yields were significant (P<0.05). In the first season (1998), the best local variety Kadogli gave straw yield of 6,902 kg/ha; hybrids S-97206-24 (9,816 kg/ha) and S-97206- 30 (9,462 kg/ha ) were tolerant to Striga. During 1999 season, genotypes KB98B-98203-10 (1,725 kg/ha), TZLCOMP11-WC4 (1,572 kg/ha) and KBO98B-98204-7 (1,570 kg/ha) showed relative tolerance to S. hermonthice. Mugtama-45, a local check, gave grain yield of 1,225 kg/ha. While in the 2000 season, Striga infestation was generally low. Genotypes EM99B-99225-5 (3,063 kg/ha), EM99B-99225-7 (3,047 kg/ha), and EM99B-99225-14 (3,032 kg/ha) were identified as high yielders. Mugtama-45 had grain yield of 1,734 kg/ha. Good performance of genotypes during the 2000 season may be attributed to low Striga infestation as shown by Mugtama-45 with an increase of 42% in grain yield over the 1999 season. In all the seasons, relative tolerance of some genotypes was evident but Striga population was not consistent with grain and straw yields.

English

0410|AGRIS 0401|AL-Maize Program

Juan Carlos Mendieta

CIMMYT Publications Collection

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