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- [1] GENETIC-VARIATION AND PRODUCTIVITY OF POPULUS-TRICHOCARPA AND ITS HYBRIDS .6. FIELD SUSCEPTIBILITY OF SEEDLINGS TO MELAMPSORA-OCCIDENTALIS LEAF RUST CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 1993, 23 (03): : 436 - 441
- [3] THE 1ST RECORD OF PHRICTOPYGA-OCCIDENTALIS IN THE UNITED-STATES (HOMOPTERA, FULGOROIDEA, DELPHACIDAE) GREAT LAKES ENTOMOLOGIST, 1981, 14 (02): : 131 - 131
- [6] 1ST RESEARCH REPORT OF ACARINE EFFECTS IN THE UNITED-STATES AMERICAN BEE JOURNAL, 1986, 126 (05): : 343 - 345
- [7] 1ST REPORT OF CACTODERA-ESTONICA IN THE UNITED-STATES PLANT DISEASE, 1986, 70 (12) : 1159 - 1159
- [10] 1ST REPORT OF YELLOW SPOT DISEASE OF SUGARCANE IN THE UNITED-STATES SUGAR JOURNAL, 1986, 48 (09): : 11 - 12