au.\*:("HELGESON JP")
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PLANT TISSUE AND CELL SUSPENSION CULTUREHELGESON JP.1980; TISSUE CULTURE METHODS FOR PLANT PATHOLOGISTS; GBR; OXFORD: BLACKWELL SCI. PUBLICATIONS; DA. 1980; PP. 19-25; BIBL. 10 REF.Book Chapter
TISSUE CULTURE METHODS FOR PLANT PATHOLOGISTSINGRAM DS; HELGESON JP.1980; ; GBR; OXFORD: BLACKWELL SCI. PUBLICATIONS; DA. 1980; 272 P.; 26 CM; BIBL. DISSEM.Book
INTERACTION OF A HYDROXYPOLINE-RICH GLYCOPROTEIN FROM TOBACCO CALLUS WITH POTENTIAL PATHOGENSMELLON JE; HELGESON JP.1982; PLANT PHYSIOL.; ISSN 0032-0889; USA; DA. 1982; VOL. 70; NO 2; PP. 401-405; BIBL. 30 REF.Article
A DOMINANT GENE CONFERRING DISEASE RESISTANCE TO TOBACCO PLANTS IS EXPRESSED IN TISSUE CULTURES = EXPRESSION DANS DES CULTURES DE TISSUS D'UN GENE DOMINANT CONFERANT LA RESISTANCE DES PLANTS DE TABAC A LA MALADIEHELGESON JP; HABERLACH GT; UPPER CD et al.1976; PHYTOPATHOLOGY; U.S.A.; DA. 1976; VOL. 66; NO 1; PP. 91-96; BIBL. 10 REF.Article
ISOLATION OF STERILE PROTOPLASTS FROM UNSTERILIZED LEAVESWILSON HM; STYER DJ; CONRAD PL et al.1980; PLANT SCI. LETT.; NLD; DA. 1980; VOL. 18; NO 2; PP. 151-154; BIBL. 7 REF.Article
DECOMPOSITION OF 2,4-DIHYDROXY-7-METHOXY-2H-1, 4-BENZOXAZIN 3(4H)-ONE IN AQUEOUS SOLUTIONS.WOODWARD MD; CORCUERA LJ; HELGESON JP et al.1978; PLANT PHYSIOL.; USA; DA. 1978; VOL. 61; NO 5; PP. 796-802; BIBL. 33 REF.Article
FACTORS THAT INFLUENCE THE ACTIVITY OF 2,4-DIHYDROXY-7-METHOXY-2H-1,4-BENZOXAZIN-3(4H)- ONE ON ERWINIA SPECIES IN GROWTH ASSAYS.WOODWARD MD; CORCUERA LJ; HELGESON JP et al.1978; PLANT PHYSIOL.; USA; DA. 1978; VOL. 61; NO 5; PP. 803-805; BIBL. 6 REF.Article
2,4-DIHYDROXY-7-METHOXY-2H-1,4-BENZOXAZIN-3(4H)-ONE, AN INHIBITOR FROM ZEA MAYS WITH DIFFERENTIAL ACTIVITY AGAINST SOFT ROTTING ERWINIA SPECIES.CORCUERA LJ; WOODWARD MD; HELGESON JP et al.1978; PLANT PHYSIOL.; USA; DA. 1978; VOL. 61; NO 5; PP. 791-795; BIBL. 24 REF.Article