Crop Science Journal of Natural Resources and Life Sciences Education
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Published in Crop Sci 18:1011-1014 (1978)
© 1978 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Inheritance of Resistance to Hessian Fly Derived From Triticum turgidum L.1

S. K. Carlson, F. L. Patterson and R. L. Gallun2

A heterogeneous wheat line (Triticum turgidum L.) submitted to the USDA-SEA world collection of wheats by J. C. Santiago, Portugal, was reselected at Purdue University on the basis of resistance to Hessian fly (Mayetiola destructor Say), biotype D. We designated our selection ELVA (CI 17714). From chromosome homologies and plant characters it was classified as a Triticum turgidum L. Resistance to Hessian fly from Elva was transferred to common wheat (Triticum aestivum L.) by backcrossing. Three of the resultant resistant lines were analyzed for number of genetic factors controlling resistance to biotype D at 20 C. Progenies from individual F2 plants and BC1 F1 plants from crosses between the resistant lines and the susceptible ‘Arthur’ were classified for reaction to Hessian fly. In two lines, resistance appeared to be controlled by two linked dominant genetic factors, either conferring resistance. The third line most likely contained a single dominant genetic factor.

Key Words: Triticum aestivum • Wheat • Mayetiola destructor • Insect resistance

1 Contribution from Purdue Univ. Agric. Exp. Stn., Lafayette, IN 47907. Part of a thesis submitted by the senior author in partial fulfillment of the requirements for the Ph.D, degree at Purdue Univ. The research was supported in part with a research grant from the Indiana Crop Improvement Assoc., Lafayette, Ind. Journal Paper No. 7146.

2 Assistant professor, Dep. of Plant and Earth Science, Univ. of Wisconsin-River Falls, River Falls, WI 54022 (formerly graduate assistant, Purdue Univ.); Lynn distinguished professor of agronomy; and research entomologist, AR-SE-USDA, and professor of entomology, Purdue Univ., respecitvely.

Received for publication May 11, 1978.




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Copyright © 1978 by the Crop Science Society of America.