Until recently, methyl iodide—marketed under the name Midas—had been registered for use in nearly every state in the nation except California and New York.

California will soon join the ranks of states in which growers can use the fumigant, which has prompted concern among some scientists.

Midas, marketed by Arysta LifeSciences, is used as a fumigant to kill soil-borne pests.

It is widely used by growers of strawberries, fresh-market tomatoes and peppers, to name a few crops.

The fumigant already has been used for more than a season in Florida as a replacement for methyl bromide.

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