10 Above or Below? There are different types of traits bred into corn to help protect plants from various types of insects and diseases. Some traits help protect the above-ground parts of the corn plant (the leaves and stalk) from insects and diseases by producing certain proteins that are toxic to specific insects, such as corn borer or armyworm. Other hybrids may have thicker or waxier leaves that are more resistant to damage from environmental stresses. This includes hybrids with natural tolerances to anthracnose as an example. Below-ground protection, on the other hand, refers to traits that help protect the roots from insects that can affect the corn plant. For example, some hybrids have specific traits in them that produce proteins to protect the plant from corn rootworm. Other hybrids may have deeper or more extensive root systems that help the plant better access nutrients and water in the soil. While both above- and below-ground protection can be important in maximizing yield and minimizing damage in corn crops, they target different types of insects and may require different management strategies. For example, above-ground insects like corn borer can be managed with insecticides or resistant hybrids, while soil-borne insects, such as corn rootworm, may require traits or different crop rotation or seed treatment strategies. Our product line offers hybrids with different above- and below-ground options to meet specific needs. By carefully selecting and managing corn hybrids with the right combination of protection traits, farmers can maximize their yields and profits while minimizing the use of pesticides and other inputs. CHU to 50% Silk This refers to the timing of pollination for the corn plant, which has male and female reproductive organs. The male part is the tassel that produces pollen, while the female part is the ear. Crop Heat Units (CHU) to 50% Silk represents the accumulation of heat based on daily minimum and maximum temperatures for a hybrid to develop 50% of plants with exposed silk. This timing, either in days maturity (RM) or CHU, provides the most consistent means of expressing corn maturity between hybrids. T:8.5" B:8.75" SmartStax® PROwith RNAi Technology offers the strongest biotech defense* against corn rootworm pressure while still providing protection against above-ground pests and tolerance to glyphosate and glufosinate herbicide applications. * TRAITS.BAYER.CA COMING SOON *Source: 2021 & 2022 Eastern Canada Market Development, 9 locations: Tavistock ON(21,22), St. Barbe QC(21,22), St. Hugues QC(21,22), Rodney ON (21,22), Brussels (21). Treatment means are significantly different at P<0.05. Your results may vary according to agronomic, environmental and pest variables.
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