THE SPREAD OF BEET YELLOWS AND BEET MOSAIC VIRUSES IN THE SUGAR-BEET ROOT CROP I. FIELD OBSERVATIONS ON THE VIRUS DISEASES OF SUGAR BEET AND THEIR VECTORS MYZUS PERSICAE SULZ. AND APHIS FABAE KOCH
1951 ◽
Vol 38
(4)
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pp. 743-764
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Keyword(s):
Surveys of sugar-beet seed crops, mangold clamps and weedsin England for aphids and viruses, 1963–73
1975 ◽
Vol 84
(1)
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pp. 87-95
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1953 ◽
Vol 40
(1)
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pp. 38-59
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Keyword(s):
1987 ◽
Vol 36
(2)
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pp. 125-134
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Keyword(s):
Keyword(s):
Keyword(s):
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