共 15 条
[1]
THE SPREAD OF LETTUCE MOSAIC IN THE FIELD
[J].
ANNALS OF APPLIED BIOLOGY,
1951, 38 (03)
:689-706
[3]
EDWARDS CA, 1964, PRINCIPLES AGRICULTU
[4]
HARTZELL FZ, 1932, J ECON ENT, V25, P337
[5]
HOGG WH, 1965, SCI HORT, V27, P20
[6]
KERSHAW WJS, 1962, THESIS U CAMBRIDGE
[7]
KLOSTERMEYER EC, 1953, 9 TECH B WASH AGR EX