<i>Fusarium oxysporum</i>f. sp.<i>pisi,</i>Race 6: Occurrence and Distribution

Haglund, W. A.

doi:10.1094/phyto-69-818

Cited by 38 publications

(15 citation statements)

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“…Resistance to race 5 was first found in USDA PI accessions and was also attributable to a single dominant gene . In 1979, race 6 was also described from northwestern Washington state (Haglund & Kraft, 1979) . This new race was pathogenic on cultivars and PI accessions resistant to races 1, 2, and 5, and resistance was again reported to be governed by a single, dominant gene .…”

Section: Common Root Rot Of Peasmentioning

confidence: 99%

Screening techniques and sources of resistance to root rots and wilts in cool season food legumes

et al. 1993

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Section: Common Root Rot Of Peasmentioning

confidence: 99%

Screening techniques and sources of resistance to root rots and wilts in cool season food legumes

et al. 1993

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“…Races 1 and 2 were the only economically important wilt races in the United States until race 5 appeared in northwestern Washington in 1963 (Haglund and Kraft, 1970). Races 1 and 2 are known to occur throughout the world, while races 5 and 6 are only important in western Washington State (Haglund and Kraft, 1979). Race 3 is present in Europe and England while race 4 is found in Canada (Hagedorn, 1984).…”

Section: Methodsmentioning

confidence: 99%

Resistance to Fusarium Wilt Race 2 in the Pisum Core Collection

McPhee¹,

Tullu²,

Kraft³

et al. 1999

jashs

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Plant breeders must be aware of sources of resistance to pathogens that affect their crops. Fusarium wilt caused by Fusarium oxysporum Schl. f. sp. pisi Snyd. & Hans. is a fungal disease that affects peas and is important worldwide. Resistance to the different races of the pathogen has been identified in adapted germplasm and from specific accessions in the United States World Collection of peas (Pisum sativum L.). The goal of this study was to evaluate the resistance to fusarium wilt race 2 in the Pisum core collection. Of the 452 accessions screened, 62 (14%) were resistant. The resistant accessions included accessions from P.s. ssp. elatius that were collected from 24 different countries. The wide distribution of resistance around the world precludes the identification of any single country or region as a source of resistance. Of the 62 accessions resistant to race 2, 39 are also resistant to race 1 based on data obtained from GRIN. One of the wild progenitors, PI 344012, possessed resistance to races 1 and 2.

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“…pisi was described, which killed varieties resistant to races 1, 2, and 5. This strain was named race 6 (Haglund & Kraft, 1979). Resistance to races 5 and 6 are again attributed to separate, single, dominant genes.…”

Section: Pea Wiltmentioning

confidence: 99%

Soilborne Diseases and their Control

Kraft

Haware

Halila

et al. 2000

Linking Research and Marketing Opportunities for Pulses in the 21st Century

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Seed and seedling diseases, root rots, and wilts are caused by a number of soilborne fungi, all of which are facultative saprophytes and can survive in soil for long periods in the absence of a susceptible host. In general, these diseases are serious yield constraints where short rotations or monoculture of legume crops are the rule. Seedling diseases and root rots are enhanced by poor seed vigor, poor seedbed preparation, and other biotic and abiotic stresses which predispose the host plant. Control of these diseases requires an integrated approach of genetic resistance/tolerance, cultural practices, appropriate seed treatments, and high seed vigor. The most economical and durable control of Fusarium wilt is to grow resistant varieties. New races of a wilt pathogen have arisen due to increased selection pressure from growing resistant varieties in short rotations but have not outpaced the development of resistant cultivars.

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Fusarium oxysporumf. sp.pisi,Race 6: Occurrence and Distribution

Cited by 38 publications

References 0 publications

Screening techniques and sources of resistance to root rots and wilts in cool season food legumes

Screening techniques and sources of resistance to root rots and wilts in cool season food legumes

Resistance to Fusarium Wilt Race 2 in the Pisum Core Collection

Soilborne Diseases and their Control

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