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Breeding and genetics of Fusarium basal rot resistance in onion

Breeding and genetics of Fusarium basal rot resistance in onion,10.1023/A:1004071907642,Euphytica,Christopher S. Cramer

Breeding and genetics of Fusarium basal rot resistance in onion   (Citations: 14)
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Fusarium basal plate rot (FBR), caused by Fusarium oxysporum f. sp. cepae, is an important soil-borne disease of onions worldwide. The causal organism infects the basal stem plate of the bulb and eventually kills the entire plant through degradation of the basal plate. F. o. f. sp.cepae infections in dormant bulbs during storage allow secondary infections to occur. The primary method of infection by F. o. f. sp. cepaeis through direct penetration of the basal stem plate. Infection can also occur through wounded tissue particularly roots and basal portions of bulb scales. The most cost-effective methods of control are crop rotation and host plant resistance. Current research suggests that a single gene, two genes, or multiple genes govern resistance to FBR. Breeding programs have successfully used screening procedures to develop intermediate- and long-day, FBR-resistant cultivars.
Journal: Euphytica , vol. 115, no. 3, pp. 159-166, 2000
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