A: We really appreciate the sample, it helps us ensure we are providing the best answer possible for your question. What’s growing on your euonymus is a type of gall called a crown gall. Galls are ...

Scientists have mapped the DNA of bacteria found within a chronic disease affecting grapevines, a feat they hope will ultimately help protect the multibillion-dollar grape industry that produces juice ...

Rabbits were injected with cell walls obtained from crown-gall tumor tissue or the corresponding cell walls from normal potato tissue. The serum obtained from rabbits 53 days after they were injected ...

The competitive activities of different plant cell walls upon Agrobacterium tumefaciens attachment have been studied in vitro by means of two crown-gall tumor initiation assays. The low or high ...

At present, an early diagnosis of the tumor-like crown gall disease affecting grapevines seems out of reach. Two researchers have taken a closer look at the tumors and found a very special environment ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Robyn Williams: Have you ever heard of a gall? I don’t mean cheek, or an affrontery – in this case, ...

Spring is almost upon us, and you may have gardening questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension ...

The Crown gall tumour assay (CGTA) is one of several bench top bioassays recommended for the rapid screening of plants with anti-cancer activity. The rationale for the use of the bioassay is that the ...

Crown galls can kill your plants. There is no cure, so prevention is the best medicine. BRAD R. OF WINDSOR ASKS: My 15-year-old wisteria vine was doing beautifully for years. Just the other day I ...

Q: Last season I ordered several dahlia tubers from Holland. Unfortunately, five rotted in the field before sending up stems. I thought it was just a fluke, but when I went to dig and divide my ...

Wine growers and nurseries would benefit from detecting the dangerous crown gall disease in their vines before it breaks out. Such an early diagnosis is not available at present and cannot be expected ...