TY  - JA
AU  - Lapierre,H.
TI  - Barley yellow dwarf:  the assessment of contamination risk (wheat; Rhopalosiphum padi; France)
U1  - 85-111049 
PY  - 1983///
KW  - Injurious insects
KW  - Pests of plants
KW  - Plant diseases
KW  - AGROVOC
KW  - Viral diseases
KW  - Wheat triticum spp
T2  - Phytoma (France). (Nov 1983). (no. 352) p. 33-36
ER  -