Commonly Asked Questions & Answers
Please review the following list of common questions regarding crown gall, NOGALL™, and the treatment. Just click on the question and the answer will appear. To return to this question page click on your browser’s “back” button or click on the Common Q & A button to the left. Of course, if you do not find your specific question or answer here, please call Mike Moore at (541) 752-2045.
1. What is crown gall?
2. What is NOGALL™?
3. NOGALL™ is recommended for use against crown gall in what plants?
4. How does NOGALL™ work?
5. How should NOGALL™ be applied?
6. Can NOGALL™ be diluted and still work OK?
7. Is over inoculation harmful?
8. How often should the dip solution be changed, especially if stock has lots of soil adhering to roots?
9. How long can the dip solution be held for use?
10. Is there any benefit leaving stock soaking in NOGALL™ solution?
11. How much NOGALL™ do I need?
12. Are there any ways to improve use and survival of NOGALL™ bacteria?
13. Why is the NOGALL™ peat formulation better than other inoculant products?
14. How long does NOGALL™ survive on plant material and in soil after planting?
15. When should nurseries treat with NOGALL™?
16. What should customers do if stock was dipped 3 months ago and they want to plant out?
17. If my plant stock has crown gall can it be removed then treated with NOGALL™ to save the plant?
18. Can cuttings be put in sawdust for 24 hrs then dipped with NOGALL™, then 3 days later planted out?
19. What else can growers do to reduce crown gall?
20. Can NOGALL™ be mixed with other chemicals, for example, fungicides, insecticides, hormone treatments?
21. What method of treatment should be implemented when using growth hormones?
22. How does crown gall disease spread?
23. How long does the disease survive in soil?
24. Can I drench the soil around a tree?
25. If I discover a plant with crown gall can I plant a NOGALL™ dipped plant there and be safe?
26. If K84 has worked for me in the past why do I need to switch to NOGALL™?
27. What evidence is there for the breakdown of biological control of crown gall disease from use of K84?
28. What tests have been done between Norbac and NOGALL™?
29. We have some inventory left from our last purchase with one month left to go on the NOGALL™ label, what should NBI do with the stock?
30. Is the NOGALL™ label as serious as it insinuates on safety issues?
31. Why doesn’t NOGALL™ or K84 control crown gall in grapevines?
32. Why is NOGALL™ not strongly recommended for control of crown gall in propagation stock of apples and pears trees?
33. I have used Norbac 84C or Galltrol in the past, how well will NOGALL work in comparison?
34. Your website and literature occasionally refer to Norbac 84C, what is it?