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Published in Crop Sci 23:221-224 (1983)
© 1983 Crop Science Society of America
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Inheritance of Resistance in ‘Luso’ Wheat to Hessian Fly

C. M. Oellermann, F. L. Patterson and R. L. Gallun2

‘Luso’, a common wheat (Triticum aestivum L. em. Thell.) cultivar from Portugal, was studied to characterize its resistance to biotypes B and D of the Hessian fly [(Mayetiola destructor (Say)]. All experiments were conducted in controlled climate chambers and ventilated greenhouses at 20 ± 2 C. Progeny rows of self-pollinated F2 and testcross Ft plants were infested with biotype B or D of the Hessian fly and classified as resistant, segregating, or susceptible. Chi-square analyses were used to test genetic hypotheses. Luso possessed partial resistance to biotypes B and D of the Hessian fly. A single gene conferred this resistance to both of these biotypes. We found that the Luso gene is distinct from, and probably independent of, all genes previously characterized which confer resistance to biotype D of the Hessian fly (H5, H9, H10, and Hll). Therefore, the Luso factor was designated H12. The H12 gene is most likely located within the A or B genome of wheat.

Key Words: Host plant resistance • Integrated pest management • Biological pest control

1 Contribution from the Purdue Univ. Agric. Exp. Stn., West Lafayette, IN 47907. Part of a thesis submitted by the senior author in partial fulfillment of the requirements for the M.S. degree. The research was supported in part by a research grant from the Indiana Crop Improvement Assoc., Lafayette, Ind. Journal Paper No. 8986.

2 Former graduate research assistant; professor of agronomy; and research entomologist, ARS-USDA, and professor of entomology, Purdue Univ., respectively.

Received for publication April 19, 1982.


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R. H. Ratcliffe, F. L. Patterson, S. E. Cambron, and H. W. Ohm
Resistance in Durum Wheat Sources to Hessian Fly (Diptera: Cecidomyiidae) Populations in Eastern USA
Crop Sci., July 1, 2002; 42(4): 1350 - 1356.
[Abstract] [Full Text] [PDF]


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