Photo 1. Stunted tomato plant grown in land previously treated with glyphosate, Mount Hagen, Papua New Guinea.
Tomato - residual herbicide effects.
AUTHOR Grahame Jackson
Information from How much glyphosate? (2016) The Land. (https://www.theland.com.au/story/3792459/residual-roundup-not-what-you-think/); and Cornish PS (1992) Glyphosate residues in a sandy soil affect tomato transplants. Australian Journal of Experimental Agriculture 32: 395-9. (http://www.publish.csiro.au.ezproxy.library.uq.edu.au/an/EA9920395); and from Herbicide residues in soils - are they an issue? Northern. GRDC. Grains Research Development Corporation, Australian Government. (https://grdc.com.au/resources-and-publications/grdc-update-papers/tab-content/grdc-update-papers/2016/02/herbicide-residues-in-soils-are-they-an-issue-northern).
Produced with support from the Australian Centre for International Agricultural Research under project HORT/2016/185: Responding to emerging pest and disease threats to horticulture in the Pacific islands, implemented by the University of Queensland and the Secretariat of the Pacific Community.
This mini fact sheet is a part of the app Pacific Pests, Pathogens & Weeds
The mobile application is available from the Google Play Store and Apple iTunes.