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Title:   Author  item
                                            Steffan, Shawnitem
                                            SINGLETON, MERRITT - University Of Wisconsinitem
                                            DEUTSCH, ANNIE - University Of Wisconsinitem
                                            BOSAK, LIZ - University Of Wisconsinitem
                                            Zalapa, Juan
  Submitted to: Wisconsin State Cranberry Growers Association
                                    Publication Type: Proceedings
                                    Publication Acceptance Date: 8/1/2012
                                    Publication  Date: 8/8/2012
                                    Citation: Steffan, S.A., Singleton, M., Deutsch, A., Bosak, L., Zalapa, J.E. 2012. The record-breaking 2012 spring: Why degree-days were critical in assessing insect and plant development. Wisconsin State Cranberry Growers Association. p. 29-31.Interpretive Summary:
                                Technical Abstract: In the spring of 2012, extremely high temperatures were recorded in the upper Midwest during the month of March. This sustained heat wave not only made March the warmest on record, but also induced remarkably fast development of arthropods and plants. In terms of degree-days, however, the arthropod and plant developmental stages were relatively normal. By keeping track of degree-day running totals during the spring, the “early” initiation of moth flights (cranberry fruitworm, Sparganothis fruitworm, and black-headed fireworm) was accurately predicted. Historic patterns of moth emergence and peak-flight for each of the top moth pests will be discussed in light of degree-day accumulation.


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