300 dpi: (k7723-1.jpg)
640 pixels wide: (k7723-1.jpg)
![]() Image Number K7723-1 |
Both tomato plants being compared by plant pathologists Deborah Fravel and Robert Larkin were exposed to the same fusarium wilt pathogen, but the healthy one was protected by a benign, saprophytis strain.
Photo by Keith Weller.