A measurement of greenbug, Toxoptera graminum (Rond.), damage to the root systems and other plant parts of several varieties of wheat

Ortman, Eldon Emil.2015-12-312015-12-311957http://hdl.handle.net/2097/25158Call number: LD2668 .T4 1957 O77Wheat--Disease and pest resistance.Greenbug.A measurement of greenbug, Toxoptera graminum (Rond.), damage to the root systems and other plant parts of several varieties of wheatTextMasters theses