EXTRACTION OF A PHYTOECDYSONE PONASTERONE A FROM PODOCARPUS GRACILIOR PILGER AND ITS EFFECT ON PARAMYELOIS TRANSITELLA (WALKER) (LEPIDOPTERA: PYRALIDAE).YOKOYAMA VY.1977; SOUTH. CALIFORNIA ACAD. SCI., BULL.; U.S.A.; DA. 1977; VOL. 76; NO 3; PP. 186-192; BIBL. 11 REF.Article

FRANKLINIELLA OCCIDENTALIS AND SCARS ON TABLE GRAPES.YOKOYAMA VY.1977; ENVIRONMENT. ENTOMOL.; U.S.A.; DA. 1977; VOL. 6; NO 1; PP. 25-30; BIBL. 15 REF.Article

DREPANOTHRISPS REUTERI ON THOMPSON SEEDLESS GRAPES.YOKOYAMA VY.1977; ENVIRONMENT. ENTOMOL.; U.S.A.; DA. 1977; VOL. 6; NO 1; PP. 21-24; BIBL. 10 REF.Article

EFFECT OF THRIPS SCARS ON TABLE GRAPE QUALITYYOKOYAMA VY.1979; J. AMER. SOC. HORTIC. SCI.; USA; DA. 1979; VOL. 104; NO 2; PP. 243-245; BIBL. 14 REF.Article