ABOVE GROUND PROTECTION AGAINST BELOW GROUND PROTECTION AGAINST Corn Borer Corn Earworm Black Cutworm Armyworm Corn Rootworm Western Bean Cutworm Herbicide Tolerances Refuge Roundup Ready® LibertyLink® 5% RIB Roundup Ready® LibertyLink® 5% RIB Roundup® Ready 5% RIB Roundup® Ready 5% RIB Glyphosate Tolerant 5% E-Z Refuge® Roundup® Ready 9 Helping You Make Hybrid Decisions Companion Hybrids Invariably, farmers ask for the highest yielding hybrids in a maturity. This provides a starting point for hybrid selection, but to achieve overall success, we recommend planting companion hybrids of higher or lower maturity to minimize your flowering and harvest risk, that perform well in tougher soil conditions, or that better match the pest situation in specific fields, such as where planting corn on corn. Companion hybrids can also be in the same maturity but from a different germplasm pool to help spread production risk. Our charts identify companion hybrids as being either offensive or defensive: • An offensive hybrid is one that can achieve maximum yield potential under good-to-ideal conditions, including higher fertility, higher populations, and on ideal soil types. • A defensive hybrid may provide more consistent performance in less-than-ideal conditions, such as on very light or very heavy soil types or in low-fertility situations. North & South of Zone: Why Spread Maturity Ranges? There are a few reasons why you might choose to plant a hybrid outside your typical maturity range. One is harvest timing for either a later harvest or to allow for an earlier start. Sometimes, you may simply want to experiment with planting hybrids outside of your typical maturity range to experiment and take advantage of new genetics or traits that can improve yields or resilience. Many farmers are looking to mitigate risk. The old rule of thumb is to plant 20% shorter, 60% within the right range, and 20% longer. This can vary by location, and there is some risk. For example, planting a hybrid with a longer maturity date may increase the risk of frost damage in cooler climates, while a shorter maturity date may decrease yield potential in areas with longer growing seasons. Consider your climate, soil conditions, and other factors before establishing the maturity spectrum for your farm. Your Maizex dealer can provide support in developing a field-by-field strategy with you.
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