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Status of Plant-Parasitic Nematodes on Soybean and Corn Grown in Missouri, USA Heinz, R. (1,2,3), M.G. Mitchum (1,2) & L.E. Sweets (1) (1) Division of Plant Sciences, University of Missouri, Columbia, Missouri, USA; (2) Bond Life Sciences Center, University of Missouri, Columbia, MO, USA; (3) Extension Plant Nematology Lab, University of Missouri, Columbia, MO, USA Soybean cyst nematode (SCN; Heterodera glycines) continues to be the most widespread and damaging plant-parasitic nematode on soybeans grown in the state of Missouri. Over the last fifteen years, three different surveys have shown that approximately 75% of Missouri soybean fields have detectable levels of SCN. A survey of growers also confirmed that SCN is considered among the three most serious disease problems encountered in Missouri soybean production. Growers throughout the state use SCN-resistant soybean varieties (primarily the PI88788 source of resistance) and crop rotation to manage SCN; however, recent HG-type tests suggest that 70% of SCN populations in Missouri can defeat the PI88788 source of resistance. Root-knot nematode (RKN; Meloidiogyne spp.) is also a significant problem in southeastern Missouri soybean fields. Growers in that area use rootknot resistant soybean varieties and crop rotation to minimize losses. Plant-parasitic nematodes have not been considered a serious problem on corn in most areas of Missouri. However, this perception is changing. RKN is becoming a significant problem on corn grown in southeastern Missouri. Stubby-root nematode (Paratrichodorus spp.) has been recovered from corn fields in many counties along the eastern edge of the state causing yield reduction in some fields. Lesion nematode (Pratylenchus spp.), stunt nematode (Tylenchorhynchus spp.) dagger nematode (Xiphinema spp.) and spiral nematode (Helicotylenchus spp.) were detected in a recent survey of corn fields in southeastern Missouri. A new cyst nematode on corn (identification not yet confirmed but resembling a Cactodera spp.) was detected in a soil sample submitted to the University of Missouri Extension Nematology Laboratory in 2006 from a field in Tennessee, but has not been detected in any samples submitted from Missouri corn fields in 2007. Emphasis is being placed on educational programs to increase awareness of nematodes damaging corn and soybean crops in Missouri. 5 th International Congress of Nematology, 2008 339
INDEX OF AUTHORS Abad, P. 61, 77 Abd-Elgawad , M.M. 325 Abdi, I. 256 Abdul Aleem, B. 285 Abe , W. 6, 270 Abrantes, I. 329 Abubucker, S. 43, 109 Adams, B. 113, 167 Adams, B.J. 19, 48, 50 Addison, M.F. 219, 222 Adeniyi, T.R. 250 Adhikari, B.N. 48 Afanasiev-Grigoriev, A.G. 194 Agudelo, P. 329 Ahmad, F. 286 Ahumada, T. 252 Aiba, S. 290 Aikawa, T. 221 Aitken, E. 188 Ajith, K. 37 Akello, J. 254 Akpeokhai, L.I. 250 Albuquerque, E.V.S. 128, 246 Alemi, H. 141, 202 Alonso-Prados, E. 316 Anthoine, G. 74, 125, 327, 328 Anwar, A. 218 Anwar, S. 198 Ara Khanum, T. 224 Araki,M. 187 Araya, M. 5 Arcos, S.C. 124, 133 Ardakani, A.S. 275 Asiedu, R. ` 276 Athman, S. 329 Austin, E. 274 Ayres, E. 48 Azcón, R. 294 Back, M.A. 254 Bai, X. 60 Bakr, R.A. 78 Baldwin, J.G. 18, 70, 113, 115, 333 Barazani, A. 313 Bargmann, C.I. 164 Barouti, S. 334 Barreto, E. 220 Barrett, J. 148 Barrios, L. 264 Baum, T. 111 Bazzicalupo, P. 163 Bedding, R. 226 Behm, C.A. 206 Bekker, S. 213 Bélair, G. 198 Bell, M.J. 21 Bell, N.L. 13, 90, 332 Bello, A. 100, 101, 124, 133, 238 Belton, M. 322 Bengtsson, M. 203 Bernard, F. 279 Bernard, M. 176 Berrie, K. 60 Berry, S.D. 174, 261, 336 Berson, M. 313 Bert, W, 20, 113, 188, 272 Bethony, J. 42 Beullens, K. 33 Bezerra, T. 338 Bhatta, P.R. 227 Bhattarai, K.K. 128, 247 Bhattarai, S, 254 Bibin, Y.S. 164 Bilir, O. 31 Bilqees, F.M. 212 Bird, D.M. 60, 88, 147, 337 Bishnoi, U. 128 Blanchart, E. 89 Blaxter, M. 49 Blok, V.C. 129, 148, 170, 191, 247 Bohlmann, H. 176, 248 Bolat, N. 31, 193 Bongers, t. 114 Borgonie, G. 20, 35, 188, 272 Bosenbecker, V.K. 279 Botella, J.R. 176 Bottazzi, M.E. 42 Bouhot-Delduc, L. 328 Boulos, L. 195 Boyle, S. 91 Braasch, H. 123 Braeckman, U. 338 Bremm, F. 236 Bright, D.L. 145 Brinkman, E.P. 4, 150 Brito, J.A. 156, 234 Brmez, M. 258 Bryan, G. 129 Buisson, A. 328 5 th International Congress of Nematology, 2008 340
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TABLE OF CONTENTS SESSION ONE - PLE
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SESSION SEVEN - CURRENT AND FUTURE
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SESSION THIRTEEN - SURVIVAL, ADAPTA
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Quality Requirements for Accreditat
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Specific Diagnostic and Genetic Var
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Records of Bursaphelenchus species
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SESSION FORTY-ONE - BIOLOGICAL CONT
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Changes in Soil Nematode Assemblage
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Studies on Amino Acid Profile and i
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An Entomoparasitic Adult Form of Bu
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Manganese Superoxide Dismutase in M
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Lumactud, R.C. & M. Tenuta Communit
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Pochonia chlamydosporia Reduces the
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TOPIC NINETEEN - DETECTION AND SAMP
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SESSION ONE - PLENARY SESSION CHAIR
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SESSION TWO - ECOLOGY AND BIODIVERS
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Nematode Diversity under Commercial
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A Perspective on Diversity within N
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Host Specificity, Speciation, and C
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Phylogenetic Analysis of Parasitism
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SESSION FOUR - RESISTANCE BREEDING
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Breeding for Resistance to Root-kno
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SESSION FIVE - CURRENT TRENDS IN NE
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Phylogeny and Evolution of Rhabditi
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SESSION SIX - NEMATODES IN FARMING
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schedule of these crops. More frequ
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SESSION SEVEN - CURRENT AND FUTURE
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Use of EPNs in South America: Prese
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SESSION EIGHT - RESISTANCE BREEDING
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Identification of Multiple Resistan
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Evaluation of Banana Germplasm as P
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deferens of small nematodes is a lo
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SESSION TEN - SUSTAINABLE AND ORGAN
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In further glasshouse experiments,
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SESSION ELEVEN - PARASATIC NEMATODE
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Gene Finding, Expression Profiling,
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SESSION TWELVE - ROOT-KNOT NEMATODE
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Weeds Acting as Reservoir Hosts of
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Gene Induction by Desiccation Stres
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An Antarctic Nematode that Survives
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Identification and Characterization
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SESSION FIFTEEN - FOREST NEMATOLOGY
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Observations on the Occurrence and
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Asymptomatic Carrier Trees in Pine
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The Meloidogyne incognita Genome Sh
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molecular information available on
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Modelling Nematode Populations in H
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Population Distribution of Plant-Pa
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Nematological Research and Training
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SESSION NINETEEN - BIOSECURITY, QUA
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Incursion Management of Potato Cyst
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Networking and Resources for Manage
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Root-knot Nematodes Manipulate Plan
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SESSION TWENTY-ONE - NEMATODE MANAG
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Impact of Nutrient Supply Systems i
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Incidence and Economic Losses cause
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Support for Nematology in Developin
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PLENARY SESSION TWENTY-THREE - THE
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SESSION TWENTY-FOUR - CLIMATE CHANG
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A Subtracted cDNA Library of Putati
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Molecular Nematology as a Tool for
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Uncovering the Parasitic Interactio
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SESSION TWENTY-SIX - MOLECULAR APPL
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SESSION TWENTY-SEVEN - NEMATODE MAN
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Host-plant Resistance in Crops Cult
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SESSION TWENTY-EIGHT - PANEL DISCUS
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Soil Nematode Communities under Cli
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Modeling Soil Properties and Organi
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Plant Parasitic Nematode: Restricte
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Parasitism Genes of Root-Knot and C
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SESSION THIRTY-ONE - MOLECULAR AND
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Missing the Unseen: Morphological a
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SESSION THIRTY-TWO - NEMATODE MANAG
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Sugar Cane Production and Nematode
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SESSION THIRTY-THREE - NEMATOLOGY I
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Records of Bursaphelenchus species
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comprise about 15-20% of the popula
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Selection of Virulent Populations o
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Virulence of Globodera pallida in R
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From Suppressive Soils to Suppressi
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Soil Biodisinfection as an Alternat
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Site-specific Technology: An Introd
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probability of yield loss due to RK
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Plant-parasitic Nematodes Associate
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Gorgan 3, Williams, JK (Sari), BP (
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Habitat Quality as a Determinant of
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Do Natural Enemies Regulate Entomop
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Novel Approaches to Analyze Gene Ex
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Connecting Genetics and Genomics in
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Bacteria as Natural Enemies of Plan
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Ecology of Pochonia chlamydosporia
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Root-Knot Nematodes of Economic Imp
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Meloidogyne mayaguensis and M. ethi
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Environmental Factors Affecting Nem
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Seasonal Fluctuations in Size Spect
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Transgene Driven RNAi for Cell Spec
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SESSION FORTY-FIVE - INDUSTRIAL PRO
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Stability Issues: Maintenance of Be
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Cereal Cyst Nematodes: A Threat and
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Preliminary trials indicate that th
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individual nematodes. The MOTUs dis
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Changes in Soil Nematode Assemblage
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(3,338) had a lower expression leve
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SESSION FORTY-NINE - COMMERCIAL PRO
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Putting Waste to Work: Commercially
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test indicate some isolates reduce
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PLENARY SESSION FIFTY-ONE - FUTURE
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POSTER PRESENTATIONS TOPIC ONE - EV
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Goldfinger and a few other cultivar
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Mitochondrial DNA Frameshift Mutati
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The larger and smaller cells divide
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TOPIC THREE - NEMATODE PHYSIOLOGICA
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Studies on Amino Acid Profile and i
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CFPM101, barley cv. Myriam, buckwhe
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ainfalls that represent several tim
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Anatomical and Histological Alterat
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associated with peels for five minu
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Community Structure of Plant-Parasi
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technique and samples examined unde
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e retained for seed production on t
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TOPIC FIVE - PLANT-PARASITIC NEMATO
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Infection of Brachiaria brizantha S
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certain exporting countries but als
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Morphometric, Molecular and Biologi
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Cold Tolerance Mechanisms of Entomo
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Identification of Heteroprhabditis
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suggest that C. japonica DJs appear
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TOPIC SEVEN - ANIMAL-PARASITIC NEMA
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Intestinal Parasitic Nematodes of V
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TOPIC EIGHT - MARINE AND FRESHWATER
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Preliminary Observations on Nematod
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Heman, and the resistant tomato sta
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oot-knot nematode numbers in plants
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maize varieties could have in contr
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Red Alert on the Plant-parasitic Ne
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TOPIC TEN - HOST PLANT RESISTANCE A
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Mapping Nematode Resistance in Rice
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Characterization of RKN-regulated W
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Functional Characterisation of Tran
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This nematode has been probably ent
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TOPIC THIRTEEN - INTERACTIONS OF NE
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Interaction between Meloidogyne inc
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AMF-induced Bioprotection against M
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plants were previously infected wit
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TOPIC FOURTEEN - EPIDEMIOLOGY AND P
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Population Densities of Tylenchulus
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Does Long-term Organic Fertilizatio
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Two ~ 400 bp fragments of rRNA loci
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the vitality on 4-8 days. Nematodes
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of cultured nematodes at different
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feeders. Pratylenchus dominanted in
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TOPIC SIXTEEN - ORGANIC AMENDMENTS
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The Nematicidal Properties of Cyste
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Effects of Salicylic Acid and Amino
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on their nematicidal effect on P. p
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DROP-technology is based on tempera
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indicated that M. javanica J 2 popu
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Effect of Neem Based Biopesticides
Page 318 and 319: • Onion plant stand negatively co
Page 320 and 321: Interaction between Two Meloidogyne
Page 322 and 323: Antagonistic Activity of an Isolate
Page 324 and 325: significantly from the fosthiazate
Page 326 and 327: Anastomosis in Selected Isolates of
Page 328 and 329: Impact of Pseudomonas-based Biocont
Page 330 and 331: Effect of the Emergence and Infecti
Page 332 and 333: Potential of Dual Purpose Intercrop
Page 334 and 335: Parasites, Vibrations and the Hunt
Page 336 and 337: TOPIC EIGHTEEN - CHEMICAL AND INTEG
Page 338 and 339: Evaluation of Pre-plant Treatments
Page 340 and 341: compared to the untreated control.
Page 342 and 343: Agri-Terra: A New Low-rate Nematici
Page 344 and 345: Secondary Metabolites Present in Ca
Page 346 and 347: system does not permit use of nemat
Page 348 and 349: Development of a Management Strateg
Page 350 and 351: Healthcare Assessment Methodology i
Page 352 and 353: Phytoparasitic Nematode Infestation
Page 354 and 355: Quantitative Detection of the Major
Page 356 and 357: TOPIC TWENTY - DIAGNOSTICS OF PARAS
Page 358 and 359: A Real-time PCR Assay for Detection
Page 360 and 361: Plant Parasitic Nematodes in Austra
Page 362 and 363: Diagnostics and Management to Prote
Page 364 and 365: Morphological and Molecular Charact
Page 366 and 367: Creating Awareness of Nematodes is
Page 370 and 371: Bulgheresi, S. 96 Bulman, S. 332 Bu
Page 372 and 373: Ghalandar, M. 204 Gheysen, G. 62, 1
Page 374 and 375: Lo Russo, V. 116 Lockhart, P.J. 47
Page 376 and 377: Price, A.H. 245 Proença, D. 253 Pu
Page 378 and 379: Tian, Y. 132 Tiedt, L.R. 210 Tigano
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