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TOPIC EIGHT – MARINE AND FRESHWATER AQUATIC NEMATODES Abundance and Biomass of Benthic Meiofauna in the Summer in the Beibu Gulf, China Cai, L. & J. Yang State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China The benthic meiofauna was quantitatively investigated in the Beibu Gulf in summer 2006. The mean abundance of the meiofauna amounted to 514±380 ind/10cm 2 and the mean biomass of it amounted to 580±449 μg(dwt)/10cm 2 . Free living marine nematodes were the dominant group in all stations, which representing about 85% of the total meiofauna. Benthic copepod and polychaete were the second and the third in abundance. Different with the abundance, polychaete constituted 39% biomass, then, is nematodes (32%) and copepods (9%). 62% meiofauna distributed in 0~2 cm layer of the sediment. The abundance and biomass of meiofauna increasing along with the distance decreasing from the shore. Correlation analysis showed there were significant negative correlation between abundance of meiofauna and salinity, water depth, pH. There were not significant positive correlation between abundance of meiofauna and temperature, median grainsize. Three New Species of the Genus Synonchium Cobb, 1920 (Chromadorida: Selachinematidae) from Mangrove Areas of Pakistan Fayyaz, S., K. Nasira & M. Kamran National Nematological Research Centre, University of Karachi-Karachi-75270, Pakistan The mangroves areas of Pakistan are unique being representative of the largest arid zone mangroves in the world. Mangroves swamps support a high biological diversity of microorganism. Pakistan has a rich marine fauna in the coastal and inshore water of the Arabian Sea. During a survey of the nematofauna of mangrove areas of Arabian Sea of Pakistan, several samples were collected. Amongst the marine nematodes recovered two new species viz., Synonchium oblongii n. sp., and S. pakistanense n. sp., of the family Selachinematidae were encountered, which are described with measurement, description, drawing, light microscopic photographs and a key to the species. The Selachinematid nematodes are characterized by having annulated cuticle with transverse rows of punctuations, multi-spiral amphids, buccal cavity ornament, in the form of mandibles, precloacal supplements, cup-shaped or setose but never tubular, testes usually paired, ovaries always paired opposed and reflexed. Synonchium oblongii n. sp., closely related to S. depressum Gerlach, 1954 in having conoid tail, amphid three time as broad as high and mandible with three teeth, but it differs from S. depressum in combination of characters: in slender body, smaller tail and smaller spicules. Specimens of S. pakistanensis n. sp., are characterized by three similar sized teeth on the mandibles, presence of distinct punctuation on the cuticle, bluntly rounded tail and presence of ventromedian supplement in male. S. pakistanensis n. sp., comes close to S. capense Heyns & Swart, 1998; S. mediterranum Vinciguerra & Orselli, 1997 and S. siculum Vinciguera & Oreslli, 1997 but differs from them in a number of characteristics. A list of free-living marine nematodes encountered during the surveys is also incorporated. 5 th International Congress of Nematology, 2008 231
Meiofaunal Community with Special Reference to Nematodes in Trawled and Non-trawled Areas of Subtropical Hong Kong Liu, X.S. (1), P.K.S. Shin (1,2) & S.G. Cheung (1) (1) Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR, China; (2) Centre for Coastal Pollution and Conservation, City University of Hong Kong, Kowloon, Hong Kong SAR, China. Bottom trawling is a common fishing activity in coastal waters of SE Asia, including Hong Kong. Many studies showed that bottom trawling can modify sediment characteristics and benthic communities. This study attempted to investigate the impacts of bottom trawling on benthic environment and meiofaunal communities, particularly marine nematodes. Field sampling was conducted from April 2006 to January 2007 at one trawled and one nontrawled sites in subtropical waters, Hong Kong. Sediment parameters including total organic carbon (TOC), total Kjeldahl nitrogen (TKN), total phosphorus (TP), water content and silt/clay fraction were also analyzed. Results showed that levels of TOC and TKN were significantly higher (p
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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
Page 210 and 211: Putting Waste to Work: Commercially
Page 212 and 213: test indicate some isolates reduce
Page 214 and 215: PLENARY SESSION FIFTY-ONE - FUTURE
Page 216 and 217: POSTER PRESENTATIONS TOPIC ONE - EV
Page 218 and 219: Goldfinger and a few other cultivar
Page 220 and 221: Mitochondrial DNA Frameshift Mutati
Page 222 and 223: The larger and smaller cells divide
Page 224 and 225: TOPIC THREE - NEMATODE PHYSIOLOGICA
Page 226 and 227: Studies on Amino Acid Profile and i
Page 228 and 229: CFPM101, barley cv. Myriam, buckwhe
Page 230 and 231: ainfalls that represent several tim
Page 232 and 233: Anatomical and Histological Alterat
Page 234 and 235: associated with peels for five minu
Page 236 and 237: Community Structure of Plant-Parasi
Page 238 and 239: technique and samples examined unde
Page 240 and 241: e retained for seed production on t
Page 242 and 243: TOPIC FIVE - PLANT-PARASITIC NEMATO
Page 244 and 245: Infection of Brachiaria brizantha S
Page 246 and 247: certain exporting countries but als
Page 248 and 249: Morphometric, Molecular and Biologi
Page 250 and 251: Cold Tolerance Mechanisms of Entomo
Page 252 and 253: Identification of Heteroprhabditis
Page 254 and 255: suggest that C. japonica DJs appear
Page 256 and 257: TOPIC SEVEN - ANIMAL-PARASITIC NEMA
Page 258 and 259: Intestinal Parasitic Nematodes of V
Page 262 and 263: Preliminary Observations on Nematod
Page 264 and 265: Heman, and the resistant tomato sta
Page 266 and 267: oot-knot nematode numbers in plants
Page 268 and 269: maize varieties could have in contr
Page 270 and 271: Red Alert on the Plant-parasitic Ne
Page 272 and 273: TOPIC TEN - HOST PLANT RESISTANCE A
Page 274 and 275: Mapping Nematode Resistance in Rice
Page 276 and 277: Characterization of RKN-regulated W
Page 278 and 279: Functional Characterisation of Tran
Page 280 and 281: This nematode has been probably ent
Page 282 and 283: TOPIC THIRTEEN - INTERACTIONS OF NE
Page 284 and 285: Interaction between Meloidogyne inc
Page 286 and 287: AMF-induced Bioprotection against M
Page 288 and 289: plants were previously infected wit
Page 290 and 291: TOPIC FOURTEEN - EPIDEMIOLOGY AND P
Page 292 and 293: Population Densities of Tylenchulus
Page 294 and 295: Does Long-term Organic Fertilizatio
Page 296 and 297: Two ~ 400 bp fragments of rRNA loci
Page 298 and 299: the vitality on 4-8 days. Nematodes
Page 300 and 301: of cultured nematodes at different
Page 302 and 303: feeders. Pratylenchus dominanted in
Page 304 and 305: TOPIC SIXTEEN - ORGANIC AMENDMENTS
Page 306 and 307: The Nematicidal Properties of Cyste
Page 308 and 309: 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
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• Onion plant stand negatively co
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Interaction between Two Meloidogyne
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Antagonistic Activity of an Isolate
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significantly from the fosthiazate
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Anastomosis in Selected Isolates of
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Impact of Pseudomonas-based Biocont
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Effect of the Emergence and Infecti
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Potential of Dual Purpose Intercrop
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Parasites, Vibrations and the Hunt
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TOPIC EIGHTEEN - CHEMICAL AND INTEG
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Evaluation of Pre-plant Treatments
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compared to the untreated control.
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Agri-Terra: A New Low-rate Nematici
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Secondary Metabolites Present in Ca
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system does not permit use of nemat
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Development of a Management Strateg
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Healthcare Assessment Methodology i
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Phytoparasitic Nematode Infestation
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Quantitative Detection of the Major
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TOPIC TWENTY - DIAGNOSTICS OF PARAS
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A Real-time PCR Assay for Detection
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Plant Parasitic Nematodes in Austra
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Diagnostics and Management to Prote
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Morphological and Molecular Charact
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Creating Awareness of Nematodes is
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Status of Plant-Parasitic Nematodes
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Bulgheresi, S. 96 Bulman, S. 332 Bu
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Ghalandar, M. 204 Gheysen, G. 62, 1
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Lo Russo, V. 116 Lockhart, P.J. 47
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Price, A.H. 245 Proença, D. 253 Pu
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Tian, Y. 132 Tiedt, L.R. 210 Tigano
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