TY - THES ID - 146366035 TI - Yellowing viruses in sugarbeet ; epidemiology and damage PY - 1988 PB - Wageningen : Landbouwuniversiteit, DB - UniCat KW - Sugarbeet KW - Plant viruses KW - Vectors KW - Aphidoidea KW - Beta vulgaris KW - symptoms KW - Plant diseases KW - Bmyv KW - Byv KW - Bmyv KW - Byv UR - https://www.unicat.be/uniCat?func=search&query=sysid:146366035 AB - ER -