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http://www.seedtest.org

Uniformity in Seed Testing

ISTA is committed to developing, adopting and publishing standard procedures for sampling and testing seeds, and promoting uniform application of these procedures for evaluation of seeds moving in international trade.

Objectives of the Association

Following the ISTA Constitution the objectives of the Association are:

(a) The primary purpose of the Association is to develop, adopt and publish standard procedures for sampling and testing seeds, and to promote uniform application of these procedures for evaluation of seeds moving in international trade.(b) The secondary purposes of the Association are actively to promote research in all areas of seed science and technology, including sampling, testing, storing, processing, and distributing seeds, to encourage variety (cultivar) certification, to participate in conferences and training courses aimed at furthering these objectives, and to establish and maintain liaison with other organisations having common or related interests in seed.

Who is ISTA

The International Seed Testing Association was founded in 1924 during the 4th International Seed Testing Congress held in Cambridge, United Kingdom. Currently it's membership consists of about 176 member laboratories, 48 personal members and 22 associate members, from 74 countries around the world. ISTA is independent and acts free from economic interest and political influence, it is unbiased, objective and fair. Furthermore, the hitherto unsurpassed expertise of ISTA is based on the non–profit, cooperation of the international community of approximately 400 experienced, competent and energetic seed scientists and analysts.

What does ISTA do

As an authority in seed science and technology, ISTA continues its role as the developer of seed testing methods. Its major achievements and services provided to date are briefly the following:


  • The ISTA International Rules for Seed Testing, guaranteeing worldwide annually updated, harmonised, uniform, seed testing methods
  • The ISTA Accreditation Programme including Accreditation Standard, Proficiency Testing Programme and Auditing Programme guaranteeing worldwide harmonised, uniform, seed testing
  • The issuing of the ISTA International Seed Lot Certificates by officially independent ISTA accredited and authorised laboratories
  • The promotion of research, training, publishing and information in all areas of seed science and technology and cooperation with related organisations such as ISF, OECD, UPOV and many others

 

       

Benefits

  • Provides the basis for ensuring the trade of quality seed by developing standard seed testing methods
  • Provides a platform for research and cooperation between seed scientists worldwide
  • Promotes research and provides the opportunity for publishing and distributing of the technological data
  • Guarantees worldwide harmonised, uniform seed testing through the Accreditation, Proficiency Test and Auditing Programmes
  • Provides services and professional development programmes for furthering the education and experience of seed analysts around the world
  • Provides an unbiased voice in the seed industry


Membership profile

The ISTA membership consists of about 210 personal members and 162 member laboratories, of which 95 laboratories are ISTA accredited. The membership is a collaboration of seed scientists and seed analysts from universities, research centres and governmental, private and company seed testing laboratories around the world. ISTA values and promotes the diversity of membership, this being the basis for its independence from economic and political influence.


Management of the Association

ISTA is managed and directed by an Executive Committee, comprising of a President, 1st and 2nd Vice President, and 8 members–at–large. All Executive Committee members are designated members of ISTA.
 
The finances and administration of the association is managed by the ISTA Secretariat, based in Switzerland. This is lead by the Secretary General and 8 staff members.

Technical Committees

14 subject–focused Technical Committees and 1 Task Force are responsible for the development of new methodology for seed testing. The Technical Committees are made up of approximately 200 energetic members, many of which are active in more than one committee. Each committee is headed by a chair and vice chair.
 
ISTA Technical Committees include Bulking and Sampling, Flower Seed Testing, Forest Tree and Shrub Seed, Germination,  Moisture, Nomenclature, Seed Health, Purity, Rules, Statistics, Seed Storage, Tetrazolium, Variety, Vigour and the GMO Task Force.

 

Contacting details:
ISTA Secretariat
Zürichstrasse 50
8303 Bassersdorf
CH – Switzerland

Phone +41 44 838 6000
Fax +41 44 838 6001
E–mail ista.office(at)ista.ch

New Publications

Abkallo HM, Arbuthnot P, Auer TO, Berger DK, Burger J, Chakauya E, Concordet J-P, Diabate A, Di Donato V, Groenewald J-H, Guindo A, Koekemoer LL, Nazare F, Nolan T, Okumu F, Orefuwa E, Paemka L, Prieto-Godino L, Runo S, Sadler M, Tesfaye K, Tripathi L, Wondji C. (2024) Making genome editing a success story in Africa. Nature Biotechnology :1-4. https://rdcu.be/dBJUa
Robert R, Robberste N, Thompson GD, Read DA. (2024) Characterization of macadamia ringspot‑associated virus, a novel Orthotospovirus associated with Macadamia integrifolia in South Africa. European Journal of Plant Pathology 10.1007/s10658-024-02832-1 PDF
Hiroyuki S, Marincowitz S, Roux J, Paap T, Wingfield BD, Wingfield MJ. (2024) A new genus and species of Cryphonectriaceae causing stem cankers on plantation eucalypts in South Africa. Plant Pathology :1-14. 10.1111/ppa.13883 PDF
Mapfumo P, Buthelezi S, Archer E, Swanevelder DZH, Wilken PM, Creux N. (2024) In-field climatic factors driving Sclerotinia head rot progression across different sunflower planting dates. Plant Pathology 10.1111/ppa.13873
Price J-L, Visagie CM, Meyer H, Yilmaz N. (2024) Fungal species and mycotoxins Associated with Maize ear rots collected from the Eastern Cape in South Africa. Toxins 16:95. 10.3390/toxins16020095
Tarigan M, Wingfield MJ, Jami F, Marpaung YMAN, Duran A, Pham NQ. (2024) Pathogenicity of Chrysoporthe deuterocubensis on eucalypts in Indonesia. Southern Forests: a Journal of Forest Science 10.2989/20702620.2023.2279054
Caballol M, Serradó F, Barnes I, Camarero JJ, Valeriano C, Colangelo M, Oliva J. (2024) Climate, host ontogeny and pathogen structural specificity determine forest disease distribution at a regional scale. Ecography :e06974. 10.1111/ecog.06974 PDF
MISEV Consortium, Motaung T. (2024) Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches. Journal of Extracellular Vesicles 13(2):e12404. 10.1002/jev2.12404
Pham NQ, Suzuki H, Duong TA, Wingfield BD, Barnes I, Duran A, Wingfield MJ. (2024) Cryptic sexual reproduction in an emerging Eucalyptus shoot and foliar pathogen. Plant Pathology 10.1111/ppa.13876
Francinah M. Ratsoma, Nthabiseng Z. Mokoena, Quentin C. Santana, Brenda D. Wingfield, Emma T. Steenkamp, Thabiso E. Motaung. (2024) Characterization of the Fusarium circinatum biofilm environmental response role. Journal of Basic Microbiology 00(00):1-16. 10.1002/jobm.202300536
Morrison EW, Duong TA, Garnas JR. (2024) A high-quality draft genome sequence of Neonectria faginata, causative agent of beech bark disease of Fagus grandifolia. Microbiology Resource Announcements 10.1128/mra.01048-23
Roberts E, Paap T, Roets F. (2024) Chemical control of the Polyphagous Shothole Borer beetle (PSHB, Euwallacea fornicatus) and Fusarium euwallaceae in American sweetgum (Liquidambar styraciflua). Journal of Plant Pathology 10.1007/s42161-023-01583-y
Fitza KNE, Allison J, Slippers B, Chingandu N, Reed SE. (2024) Diversity and potential sources of introduction of the Beech leaf nematode (Litylenchus crenatae< mccannii) to Ontario, Canada. Canadian Journal of Plant Pathology
Engelbrecht K, Raubenheimer I, Paap T, Neethling E, Roets F. (2024) Detection of Fusarium euwallaceae and its vector Euwallacea fornicatus on Pear (Pyrus communis) and in deciduous fruit orchards in South Africa. Australasian Plant Disease Notes 19(1) 10.1007/s13314-023-00524-z PDF
Visagie CM, Meijer M, Kraak B, Groenewald M, Houbraken J, Theelen B, Vorst Y, Boekhout T. (2024) Blastobotrys nigripullensis, a new yeast species isolated from a fungal outbreak on an ancient Roman shipwreck in the Netherlands. Antonie Van Leeuwenhoek 117:22. 10.1007/s10482-023-01898-x
Hlongwane NL, Dzomba EF, Hadebe K, van der Nest MA, Pierneef R, Muchadeyi FC. (2024) Identification of signatures of positive selection that have shaped the genomic landscape of South African pig populations. Animals 14:235. 10.3390/ani14020236
De Vos L, van der Nest MA, Santana QC, van Wyk S, Leeuwendaal KS, Wingfield BD, Steenkamp ET. (2024) Chromosome-level assemblies for the pine pitch canker pathogen Fusarium circinatum. Pathogens 13(1):70. 10.3390/pathogens13010070
Chen BY, Wu WX, Chen SF. (2024) Wide distribution of Teratosphaeria epicoccoides and T. destructans associated with diseased Eucalyptus leaves in plantations in Southern China. Microorganisms 12:129. 10.3390/microorganisms12010129
Visagie CM, Yilmaz N, Kocsubé S, Frisvad JC, Hubka V, Samson RA, Houbraken J. (2024) A review of recently introduced Aspergillus, Penicillium, Talaromyces and other Eurotiales species. Studies in Mycology 107:1–66. 10.3114/sim.2024.107.01
Joubert M, van den Berg N, Theron J, Swart V. (2024) Global transcriptomic analysis in avocado nursery trees reveals differential gene expression during asymptomatic infection by avocado sunblotch viroid (ASBVd). Virus Research 339:199263. 10.1016/j.virusres.2023.199263. PDF
Crous PW, Costa MM, Kandemir H, Vermaas M, Vu D, Zhao L, Arumugam E, Flakus A, Jurjević Ž, Kaliyaperumal M, Mahadevakumar S, Murugadoss R, Shivas RG, Tan YP, Wingfield MJ, Abell SE, Marney TS, Danteswari C, Darmostuk V, Denchev CM, Denchev TT, Gené J, Etayo J, Gunaseelan S, Hubka V, Illescas T, Jansen GM, Kezo K, Kumar S, Larsson E, Mufeeda KT, Piatek M, Rodriguez-Flakus P, Sarma PVSRN, Stryjak-Bokacka M, Torres-Garcia D, Vauras J, Acal DA, Akulov A, Alhudaib K, Asif M, Balashov S, Baral H-O, Baturo-Cieśniewska A, Begerow D, Beja-Perreira A, Bianchinotti MV, Bilański P, Chandranayaka S, Chellappan N, Cowan DA, Custódio FA, Czachura P, Delgado G, De Silva NI, Dijksterhuis J, Dueñas M, Eisvand P, Fachada V, Fournier J, Fritsche Y, Fuljer F, Ganga KGG, Guerra MP, Hansen K, Hywel-Jones N, Ismail AM, Jacobs CR, Jankowiak R, Karich A, Kemler M, Kisło K, Klofac W, Krisai-Greilhuber I, Latha KPD, Lebeuf R, Lopes ME, Lumyong S, Maciá-Vicente JG, Maggs-Kölling G, Magistà D, Manimohan P, Martín MP, Mazur E, Mehrabi-Koushki M, Miller AN, Mombert A, Ossowska EA, Patejuk K, Pereira OL, Piskorski S, Plaza M, Podile AR, Polhorsky A, Pusz W, Raza W, Ruszkiewicz-Michalska M, Saba M, Sánchez RM, Singh R, Śliwa L, Smith ME, Stefenon VM, Strašiftáková D, Suwannarach N, Szczepańska K, Telleria MT, Tennakoon DS, Thines M, Thorn RG, Urbaniak J, van der Vegte M, Vasan V, Vila-Vićosa C, Voglmayr H, Wrzosek M, Zappelini J, Groenewald JZ. (2023) Fungal Planet description sheets: 1550-1613. Persoonia 51:280-417. 10.3767/persoonia.2023.51.08
Wilken PM, Lane FA, Steenkamp ET, Wingfield MJ, Wingfield BD. (2023) Unidirectional mating-type switching is underpinned by a conserved MAT1 locus architecture. Fungal genetics and Biology (103859) 10.1016/j.fgb.2023.103859
Schertler A, Thines M, Dawson W, van Kleunen M, Kreft H, Pergl J, Pyšek P, Weigelt P, Winter M, Seebens H, Wingfield MJ, Reino L, Lenzner B, Dellinger S, Moser D, Bufford JL, Ghelardini L, Santini A, Capinha C, Monteiro M, Essl F. (2023) Biogeography and global flows of 100 major alien fungal and fungus-like oomycete pathogens. Journal of Biogeography 10.1111/jbi.14755
van der Merwe E, Slippers B, Dittrich-Schröder G. (2023) Mechanical egg activation and rearing of first instar larvae of Sirex noctilio (Hymenoptera: Siricidae). Insects 14(12):931. https://www.mdpi.com/2075-4450/14/12/931
Wingfield MJ, Marincowitz S, Barnes I, Tarigan M, Solís M, Duran A, Pham NQ. (2023) First report of phyllode rust on Acacia crassicarpa outside its native range. Forest Pathology 10.1111/efp.12839
Fourie A, Venter S, Slippers B, Fourie G. (2023) Pantoea bathycoeliae sp. nov and a Sodalis sp. are core gut microbiome symbionts of the two-spotted stink bug. Frontiers in Microbiology :1-19. 10.3389/fmicb.2023.1284397 PDF
Rakubu IL, Katumanyane A, Hurley BP. (2023) Host-foraging strategies of five local entomopathogenic nematode species in South Africa. Crop Protection 176:106525. 10.1016/j.cropro.2023.106525
Barten H, Schröder ML, Slippers B, Howe AG, Lawson SA, Hurley BP. (2023) Reproductive compatibility of a newly imported Australian population of the biocontrol agent Anaphes nitens with an existing South African population. Biological Control 187:105403. 10.1016/j.biocontrol.2023.105403 PDF
Anbu SP, Swart V, van den Berg N. (2023) Unmasking the invaders: NLR-mal function in plant defense. Frontiers in Plant Science 14:1307294. 10.3389/fpls.2023.1307294 PDF
Pham NQ, Duong TA, Wingfield BD, Barnes I, Duran A, Wingfield MJ. (2023) Characterisation of the mating-type loci in species of Elsinoe causing scab diseases. Fungal Biology 127:1484–1490. 10.1016/j.funbio.2023.11.003
Wu WX, Li WW, Liu FF, Chen SF. (2023) Evidence of High Genetic Diversity and Differences in the Population Diversity of the Eucalyptus Leaf Blight Pathogen Calonectria pseudoreteaudii from Diseased Leaves and Soil in a Plantation in Guangxi, China. Microorganisms (11) 10.3390/microorganisms11112785 PDF
Backer R, Naidoo S, van den Berg N. (2023) The expression of the NPR1-dependent defense response pathway genes in Persea americana (Mill.) following infection with Phytophthora cinnamomi. BMC Plant Biology 23(1):548. 10.1186/s12870-023-04541-z PDF
Rakubu IL, Katumanyane A, Hurley BP. (2023) Screening five local entomopathogenic nematode species for their virulence against pupae of the Eucalyptus snout beetle, Gonipterus sp. n. 2, under laboratory conditions . Crop Protection 176:106500. 10.1016/j.cropro.2023.106500
Omondi DO, Dida MM, Berger DK, Beyene Y, Nsibo DL, Juma C, Mahabaleswara SL, Gowda M. (2023) Combination of Linkage and Association Mapping with Genomic Prediction to Infer QTL Regions Associated with Gray Leaf Spot and Northern Corn Leaf Blight Resistance in Tropical Maize. Frontiers in Genetics 14:1-16. 10.3389/fgene.2023.1282673
Granados GM, Rodas CA, Vivas M, Wingfield MJ, Barnes I. (2023) Patterns of Dothistroma septosporum conidial dispersal in Colombian Pinus tecunumanii plantations. Forest Pathology (00):e12834. 10.1111/efp.12834
Bose T, Hammerbacher A, Spies CFJ, Coutinho TA. (2023) Phytophthora: an underestimated threat to agriculture, forestry, and natural ecosystems in sub-Saharan Africa. Mycological Progress 22:78. 10.1007/s11557-023-01926-0
Robert Mangani, Kpoti M. Gunn, Nicky Creux. (2023) Projecting the effect of climate change on planting date and cultivar choice for South African dryland maize production. Agricultural and Forest Meteorology 341(15):109695. 10.1016/j.agrformet.2023.109695
Wilson AM, Coetzee MPA, Wingfield MJ, Wingfield BD. (2023) Needles in fungal haystacks: Discovery of a putative a-factor pheromone and a unique mating strategy in the Leotiomycetes. PLOS One 18(10):e0292619. 10.1371/ journal.pone.0292619 PDF
Visagie CM, Magistà D, Ferrara M, Balocchi F, Duong TA, Eichmeier A, Gramaje D, Aylward J, Baker SE, Barnes I, Calhoun S, De Angelis M, Frisvad JC, Hakalova E, Hayes RD, Houbraken J, Grigoriev IV, LaButti K, Leal C, Lipzen C, Ng V, Pangilinan J, Pecenka J, Perrone G, Piso A, Savage E, Spetik E, Wingfield MJ, Zhang Y, Wingfield BD. (2023) IMA genome-F18 - The reidentification of Penicillium genomes available in the NCBI and draft genomes for Penicillium species from dry cured meat, Penicillium biforme, P. brevicompactum, P. solitum, and P. cvjetkovicii, Pewenomyces kutranfy, Pew. tapulicola, Pew. kalosus, Teratosphaeria carnegiei, and Trichoderma atroviridae SC1. IMA Fungus 14(21) 10.1186/s43008-023-00121-w
Welgemoed T, Duong TA, Barnes I, Stukenbrock EH, Berger DK. (2023) Population genomic analyses suggest recent dispersal events of the pathogen Cercospora zeina into East and Southern African maize cropping systems. G3 Genes|Genomes|Genetics 10.1093/g3journal/jkad214
Wingfield MJ, Pham NQ, Marincowitz S, Duong TA, Wingfield BD, Wilson AM. (2023) Blast from the past: a study of decades-old fungal cultures resolves a long-standing tree disease mystery. Journal of Plant Pathology 10.1007/s42161-023-01502-1
Tarigan M, Wingfield MJ, Marpaung YMAN, Duran A, Pham NQ. (2023) Quambalaria eucalypti found on Eucalyptus in Indonesia. Forest Pathology :e12829. 10.1111/efp.12829 PDF
Narh Mensah DL , Wingfield BD, Coetzee MPA. (2023) A practical approach to genome assembly and annotation of Basidiomycota using the example of Armillaria. BioTechniques 10.2144/btn-2023-0023
Avontuur JR, Wilken PM, Palmer M, Coetzee MPA, Stępkowski T, Venter SN, Steenkamp ET. (2023) Complex evolutionary history of photosynthesis in Bradyrhizobium. Microbial Genomics 9(9) 10.1099/mgen.0.001105
Fourie G, Mkhize T, Twiddy D. (2023) Bark and Ambrosia beetles and their fungal symbionts in macadamia orchards in South Africa. SAMAC Journal :78-79.
Twiddy D, Akinsanmi F, Fourie G. (2023) Towards management of macadamia nut diseases in South Africa. SAMAC Journal :80-81.
Fourie G. (2023) Disease diagnostic clinic and field extension: a service to the macadamia industry. SAMAC Journal :96-97.
Moffat R, Hurley BP, Fourie G. (2023) Biology of the invasive macadamia felted coccid, Acanthococcus ironsidei Williams (Hemiptera: Eriococcidae) and potential native enemies as biological control agents. SAMAC Journal :82-83.
Smith A, Fourie G. (2023) The Macadamia nut borer genome: What are the benefits?. SAMAC Journal :84.
Oliveira LS, Saha MA, Jami F, Asfa R, Maretha MV, Sipayung J, Tarigan M, Duran A. (2023) Identification, pathogenicity and control of powdery mildew caused by Erysiphe elevata on Eucalyptus pellita in Sumatra, Indonesia. . Forest Pathology 53(5):e12825. 10.1111/efp.12825