tobacco brown spot 第1页

RESISTANCE TO BROWN SPOT IN TOBACCO REGENERANTS PRODUCED BY SOMACLONE STRESS WITH AT-TOXIN Impacts of Alternaria alternata stress on characteristics of photosynthesis and chlorophyll fluorescence in two tobacco cultivars with different resistances SRS_2, AN AGENT OF INDUCING TOBACCO RESISTANCE TO BROWN SPOT:ITS APPLICATION IN THE FIELDS PATHOGENICITY DIFFERENTIATION OF ALTERN ARI A ALTERN AT A AND INDUCED RESISTANCE OF TOBACCO TO BROWN SPOT BY WEAK VIRULENCE STRAINS