More on the bean breeding front
Don Lotter responds to reader call to include information on vertical resistance bean breeding in Mexico. And another reader says Lotter's article was dead on.

Posted January 7, 2005

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Dear New Farm,

I would like to thank James Beaver for pointing out productive ‘mainstream’ (mostly vertical resistance dependent) bean breeding efforts in Mexico and Central America whose goal is pest and disease resistance. Had I the resources to write an article comparing and contrasting the various bean breeding programs in Mexico, I would have loved to do so (any funding out there for such an effort?).

Writing on deadline on the road in Mexico presents interesting challenges. Within these confines, my intention was to elucidate a unique and unduly ignored approach to crop improvement—horizontal resistance breeding of the pure type (all vertical resistance genes purged) as was developed in Mexico by Niederhauser and Robinson. I also wanted to illustrate how successful scientific efforts such as the horizontal resistance breeding programs can be not only ignored, but be the subject of bias by scientists because they don't fit into the existing paradigm.

Don Lotter


Dear New Farm:

Your article by Don Lotter, Ph.D. was inspiring and seems to fit all I know with regard to the politics of breeding. Could you give me contact information for Don Lotter? I would be most grateful.

Tim Peters
Peters Seed and Research

Editor’s note: Don Lotter may be reached at