Alternative control methods


Prevent symphylans from entering the greenhouse on the roots of plants or in soil. Symphylans commonly occur outdoors in composted materials, such as manure piles and leaf mold. Steam sterilize this material to kill symphylans and their eggs before using it in the greenhouse.

If possible, grow plants on raised beds to prevent pots from touching the soil. If crops are grown in ground beds, put solid bottoms in the ground beds to permit steam sterilization of the soil mass.


Cultivate in-ground beds thoroughly to disrupt the symphylans' movement through the soil.

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