We would recommend contacting the manufacturer Control Solutions on their contact page regarding using Malathion 57% at full strength and the affects on edibles to be harvested.
Malathion 57% is not labeled to be used on lawns or for control of crane flies. You could use a systemic product such as Merit 0.5 G for crane fly larvae. We have more tips in our Crane Fly Prevention Guide here as well.
It would break down to 0.55 - 0.73 oz of Malathion 57% per 1,000 square feet. We would recommend using that rate in 1-3 gallons of water in a handheld sprayer. Please see the product label for complete application instructions.
Yes, Malathion 57% may be applied to corn as long as you are following the instructions on the product label.
Over application of Malathion 57% can result in plant injury and ineffective results. We recommend contacting the manufacturer, Control Solutions, Inc. at 800.242.5562 for information on overapplication remedies.
The pre-harvest interval (PHI) when using Malathion 57% can vary from 0-7 days, depending on what vegetable you treating. Please refer to the product label for information on the specific vegetables you are treating.
Malathion 57% can be applied to watermelons, if used as directed on the product label.
Malathion 57% can be applied a maximum of 2 times per year with re-treatment interval of 10 days between applications. Please view the full product label for more information.
Malathion 57% may be applied via a sprayer or a mister.
Malathion 57% is not labeled for ants nor can it be used inside or around homes. We do have a wide variety of products that are labeled for ants which you can see here: Ant Control Products or by clicking on the ANT tab at the top of our homepage. If you need a specific product recommendation please tell us a little bit more about the area where you are trying to control ants and what type of ants you may be dealing with.