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. 1985 Oct;79(2):559–561. doi: 10.1104/pp.79.2.559

A Simple Procedure to Overcome Polyethelene Glycol Toxicity on Whole Plants

Zvi Plaut 1, Evelyn Federman 1
PMCID: PMC1074925  PMID: 16664450

Abstract

A procedure is described that can be used to minimize toxic effects of polyethylene glycol (PEG) to plants. The procedure is based on recycling nutrient solutions containing PEG-6000 through two plant cultures. Tomato plants grown in −0.3 megapascals PEG solutions used after two growth cycles exhibited minimal toxic effects. Long-term responses like dry matter production and chlorophyll content as well as short-term responses like CO2 fixation rates and leaf conductance were severely inhibited by fresh PEG-6000 and only slightly reduced by recycled PEG-6000. Complete osmotic adjustment was obtained with tomatoes grown in recycled but not in fresh PEG solutions.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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