Seed Today - Q1 2008 - (Page 50) Fungal Seed Treatment Pays Pythium is not the only fungal soybean pathogen affecting soybeans Fungicide seed treatments offer protection from seedling diseases that can reduce soybean stands and reduce yields, says John Rupe, plant pathologist, University of Arkansas, Fayetteville (479575-2778/jrupe@uark.edu). Rupe says three groups of pathogens cause seedling diseases in Arkansas: Pythium, Rhizoctonia and Fusarium. Pythium has five different species that cause disease in Arkansas. Only one Rhizoctonia species, Rhizoctonia solani, is known to cause disease in the state. Rupe’s research demonstrates that fungicide seed treatments can improve stands and often yields with both high quality and low quality seed in a variety of environments and locations “The improved stands and yields were seen mostly in seed planted in April or June,” Rupe says. “Plant stress from being planted in soil that’s either too cool or too hot seems to be having an effect on the results.” Multiple Pathogens Rupe also says that broad-spectrum fungicides that control multiple pathogens were more consistently effective in varying environments than fungicides that control specific diseases. “This suggests there are a number of different pathogens causing seedling diseases in these locations,” he says. Rupe also says low quality seed benefited more often from fungicide treatments than did high quality seed, although both had improved stands and/ or yields in many plots. “Three years ago, we believed Pythium was the most important seedling disease,” Rupe says. “In the seed Selecting pathogen isolates at the University of Arkansas Division of Agriculture. treatment studies, broad spectrum fungicides were more effective than fungicides that specifically treated Pythium, indicating that other pathogens were also at work in Arkansas fields.” Response No. 501 50 First Quarter 2008 http://www.rapat.com http://www.rapat.com
Table of Contents Feed for the Digital Edition of Seed Today - Q1 2008 Seed Today - Q1 2008 Contents Editor’s Notes Cover Feature: Agrecol® Corporation Reed Barker, Ph.D. Cal/West Seeds Inc. Annual GM Use Report Bt Resistance Reported Camelina Tony Harper Gayle Jacklin According to ASTA Krauter Structures AOSCA AOSA/SCST GM and Greenhouse Gas Seed Associations Ad Index Seed Today - Q1 2008 Seed Today - Q1 2008 - (Page Intro) Seed Today - Q1 2008 - Seed Today - Q1 2008 (Page Cover1) Seed Today - Q1 2008 - Seed Today - Q1 2008 (Page Cover2) Seed Today - Q1 2008 - Contents (Page 3) Seed Today - Q1 2008 - Editor’s Notes (Page 4) Seed Today - Q1 2008 - Editor’s Notes (Page 5) Seed Today - Q1 2008 - Reed Barker, Ph.D. (Page 6) Seed Today - Q1 2008 - Reed Barker, Ph.D. (Page 7) Seed Today - Q1 2008 - Reed Barker, Ph.D. (Page 8) Seed Today - Q1 2008 - Reed Barker, Ph.D. (Page 9) Seed Today - Q1 2008 - Cal/West Seeds Inc. (Page 10) Seed Today - Q1 2008 - Cal/West Seeds Inc. (Page 11) Seed Today - Q1 2008 - Annual GM Use Report (Page 12) Seed Today - Q1 2008 - Annual GM Use Report (Page 13) Seed Today - Q1 2008 - Bt Resistance Reported (Page 14) Seed Today - Q1 2008 - Bt Resistance Reported (Page 15) Seed Today - Q1 2008 - Camelina (Page 16) Seed Today - Q1 2008 - Camelina (Page 17) Seed Today - Q1 2008 - Camelina (Page 18) Seed Today - Q1 2008 - Camelina (Page 19) Seed Today - Q1 2008 - Tony Harper (Page 20) Seed Today - Q1 2008 - Gayle Jacklin (Page 21) Seed Today - Q1 2008 - According to ASTA (Page 22) Seed Today - Q1 2008 - According to ASTA (Page 23) Seed Today - Q1 2008 - Krauter Structures (Page 24) Seed Today - Q1 2008 - Krauter Structures (Page 25) Seed Today - Q1 2008 - AOSCA (Page 26) Seed Today - Q1 2008 - AOSCA (Page 27) Seed Today - Q1 2008 - AOSCA (Page 28) Seed Today - Q1 2008 - AOSCA (Page 29) Seed Today - Q1 2008 - AOSA/SCST (Page 30) Seed Today - Q1 2008 - AOSA/SCST (Page 31) Seed Today - Q1 2008 - AOSA/SCST (Page 32) Seed Today - Q1 2008 - AOSA/SCST (Page 33) Seed Today - Q1 2008 - AOSA/SCST (Page 34) Seed Today - Q1 2008 - AOSA/SCST (Page 35) Seed Today - Q1 2008 - AOSA/SCST (Page 36) Seed Today - Q1 2008 - AOSA/SCST (Page 37) Seed Today - Q1 2008 - AOSA/SCST (Page 38) Seed Today - Q1 2008 - AOSA/SCST (Page 39) Seed Today - Q1 2008 - AOSA/SCST (Page 40) Seed Today - Q1 2008 - AOSA/SCST (Page 41) Seed Today - Q1 2008 - AOSA/SCST (Page 42) Seed Today - Q1 2008 - AOSA/SCST (Page 43) Seed Today - Q1 2008 - AOSA/SCST (Page 44) Seed Today - Q1 2008 - AOSA/SCST (Page 45) Seed Today - Q1 2008 - AOSA/SCST (Page 46) Seed Today - Q1 2008 - AOSA/SCST (Page 47) Seed Today - Q1 2008 - AOSA/SCST (Page 48) Seed Today - Q1 2008 - AOSA/SCST (Page 49) Seed Today - Q1 2008 - AOSA/SCST (Page 50) Seed Today - Q1 2008 - AOSA/SCST (Page 51) Seed Today - Q1 2008 - AOSA/SCST (Page 52) Seed Today - Q1 2008 - AOSA/SCST (Page 53) Seed Today - Q1 2008 - AOSA/SCST (Page 54) Seed Today - Q1 2008 - AOSA/SCST (Page 55) Seed Today - Q1 2008 - AOSA/SCST (Page 56) Seed Today - Q1 2008 - AOSA/SCST (Page 57) Seed Today - Q1 2008 - AOSA/SCST (Page 58) Seed Today - Q1 2008 - AOSA/SCST (Page 59) Seed Today - Q1 2008 - AOSA/SCST (Page 60) Seed Today - Q1 2008 - AOSA/SCST (Page 61) Seed Today - Q1 2008 - AOSA/SCST (Page 62) Seed Today - Q1 2008 - AOSA/SCST (Page 63) Seed Today - Q1 2008 - AOSA/SCST (Page 64) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 65) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 66) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 67) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 68) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 69) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 70) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 71) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 72) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 73) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 74) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 75) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 76) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 77) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 78) Seed Today - Q1 2008 - GM and Greenhouse Gas (Page 79) Seed Today - Q1 2008 - Seed Associations (Page 80) Seed Today - Q1 2008 - Seed Associations (Page 81) Seed Today - Q1 2008 - Seed Associations (Page 82) Seed Today - Q1 2008 - Seed Associations (Page 83) Seed Today - Q1 2008 - Seed Associations (Page 84) Seed Today - Q1 2008 - Seed Associations (Page 85) Seed Today - Q1 2008 - Seed Associations (Page 86) Seed Today - Q1 2008 - Seed Associations (Page 87) Seed Today - Q1 2008 - Seed Associations (Page 88) Seed Today - Q1 2008 - Seed Associations (Page 89) Seed Today - Q1 2008 - Seed Associations (Page 90) Seed Today - Q1 2008 - Seed Associations (Page 91) Seed Today - Q1 2008 - Seed Associations (Page 92) Seed Today - Q1 2008 - Seed Associations (Page 93) Seed Today - Q1 2008 - Seed Associations (Page 94) Seed Today - Q1 2008 - Seed Associations (Page 95) Seed Today - Q1 2008 - Seed Associations (Page 96) Seed Today - Q1 2008 - Seed Associations (Page 97) Seed Today - Q1 2008 - Seed Associations (Page 98) Seed Today - Q1 2008 - Ad Index (Page 114) Seed Today - Q1 2008 - Ad Index (Page Cover3) Seed Today - Q1 2008 - Ad Index (Page Cover4)
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