USA
February 27, 2017

The table below lists those sorghum hybrids that have been identified over the last two years that have tolerance to sugarcane aphid based on university and other independent trials.   All of the hybrids listed are being marketed by their respective seed companies as sugarcane aphid tolerant.   This is not a complete list and companies may be promoting additional hybrids as sugarcane aphid tolerant.  Only those hybrids that have been identified as tolerant by a third party have been included here. 

Research has shown that sugarcane aphid reproduce slower on tolerant hybrids and in some cases are able to withstand a higher sugarcane aphid population without a reduction in yield compared to susceptible hybrids.   Tolerant hybrids have been shown to delay when sugarcane aphids may reach the economic threshold.  Growers, however, should scout and apply and insecticide to tolerant hybrids if and when the economic threshold is reached.  In some cases multiple applications of insecticide may be necessary.

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Published: February 27, 2017