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Tar Spot of Korean Lespedeza Caused by Phyllachora Sp.: Losses in Yield and Differential Susceptibility of Strains 1
Author(s) -
Hanson C. H.,
Cope W. A.,
Allison J. L.
Publication year - 1956
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/agronj1956.00021962004800080010x
Subject(s) - lespedeza , tar (computing) , yield (engineering) , agronomy , biology , hay , leaf spot , horticulture , computer science , materials science , metallurgy , programming language
Synopsis Attention is called to the occurrence of tar spot on Korean lespedeza and to the need for its consideration in breeding programs. The 34 F 5 selections studied differed widely in reaction. The 6 lines in the most susceptible class suffered severe defoliation and premature ripening, and yielded only 30% as much seed as the 4 lines in the most resistant class. In this test the disease did not occur sufficiently early to greatly affect hay yield.