Insecticides may cause unseen internal injuries to plants resulting in losses to growers
E. T. Bartholomew
California Agriculture 1(8):1-4. DOI: 10.3733/ca.v001n08p1c.
Not available – first paragraph follows:
An insecticide may be efficient and not cause visible injury to a plant—but that is not a guarantee it does not, or will not, cause internal plant injury.
E. T. Bartholomew is Professor of Plant Physiology and Plant Physiologist in the Experiment Station, Riverside.