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Responses of Resistant and Susceptible Wheats to Hessian Fly Attack 1
Author(s) -
Cartwright W. B.,
Caldwell Ralph M.,
Compton Leroy E.
Publication year - 1959
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1959.00021962005100090006x
Subject(s) - biology , larva , hatching , hessian matrix , agronomy , resistance (ecology) , horticulture , botany , zoology , mathematics
Synopsis Hessian fly resistant wheats infested at first leaf stage, unlike susceptible wheats, undergo little stunting of subsequently developed leaves. Larvae migrated normally downward, but were constantly carried upward by the elongating second leaf. Four days after hatching, most larvae had died in the sheath column and were subsequently carried upward and above the enclosing leaf sheath. Normal growth of resistant leaves appears detrimental to larvae, but its relationship to the initial lethal effect is not understood.