oSIST prEN 17722:2023

Plant biostimulants - Determination of mycorrhizal fungi

This European Standard establishes the methodology for the determination of Mycorrhizal fungi in plant biostimulant products in accordance to the future Regulation of EU fertilising products.

Pflanzen-Biostimulanzien - Bestimmung von Mykorrhizapilzen

Diese Norm wurde entwickelt, um ein horizontales Verfahren für die Zählung und die Bestimmung der Gattung/Spezies [1] [2] [3] von Mykorrhizapilzen in mikrobiellen Pflanzen-Biostimulanzien in Übereinstimmung mit der Verordnung (EU) 2019/1009 des Europäischen Parlaments und des Rates bereitzustellen.

Biostimulants des végétaux - Détermination des champignons mycorhiziens

La présente norme a été élaborée pour fournir une méthode horizontale pour le dénombrement et la détermination du genre/de l’espèce [1], [2], [3] des champignons mycorhiziens dans un biostimulant microbien des végétaux conformément au Règlement UE 2019/1009 du Parlement Européen et du Conseil.

Rastlinski biostimulanti - Določanje mikoriznih gliv

General Information

• Status: Not Published
• Public Enquiry End Date: 02-Jun-2023
• ICS: 65.080 - Fertilizers
• Technical Committee: KAT - Soil quality
• Current Stage: 4020 - Public enquire (PE) (Adopted Project)
• Start Date: 22-Mar-2023
• Due Date: 09-Aug-2023
• Completion Date: 02-Aug-2023
• Directive: 2019/1009 - Regulation (EU) 2019/1009 of the European Parliament and of the Council of 5 June 2019 laying down rules on the making available on the market of EU fertilising products and amending Regulations (EC) No 1069/2009 and (EC) No 1107/2009 and repealing Regulation (EC) No 2003/2003
• Mandate: M/564 - Fertilising products in support of Regulation (EU) 2019/1009
• Mandate: M/564 AMD 1 - amending Implementing Decision C(2020) 612 as regards certain harmonised standards and standardisation deliverables, deadlines for their adoption and the duration of the validity of the standardisation request
• Mandate: M/XXX - Commission Implementing Decision on a standardisation request as regards ecodesign requirements for smartphones, mobile phones other than smartphones, cordless phones and slate tablets in support of Regulation (EU) 2023/1670 and Delegated Regulation (EU) 2023/1669
• Ref Project: FprEN 17722 - Plant biostimulants - Determination of mycorrhizal fungi

Relations

• Revises: SIST-TS CEN/TS 17722:2023 - Plant biostimulants - Determination of Mycorrhizal fungi
• Effective Date: 01-May-2023

Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN 17722:2023
01-maj-2023
Rastlinski biostimulanti - Ugotavljanje prisotnosti in števila mikoriznih gliv
Plant biostimulants - Determination of mycorrhizal fungi
Pflanzen-Biostimulanzien - Bestimmung von Mykorrhizapilzen
Biostimulants des végétaux - Détermination des champignons mycorhiziens
Ta slovenski standard je istoveten z: prEN 17722
ICS:
65.080 Gnojila Fertilizers
oSIST prEN 17722:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 17722:2023


DRAFT
EUROPEAN STANDARD
prEN 17722
NORME EUROPÉENNE

EUROPÄISCHE NORM

April 2023
ICS 65.080 Will supersede CEN/TS 17722:2022
English Version

Plant biostimulants - Determination of mycorrhizal fungi
Biostimulants des végétaux - Détermination des Pflanzen-Biostimulanzien - Bestimmung von
champignons mycorhiziens Mykorrhizapilzen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 455.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17722:2023 E
worldwide for CEN national Members.

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oSIST prEN 17722:2023
prEN 17722:2023 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Methods for the quantification of mycorrhiza .10
4.1 General .10
4.2 How to prepare the initial sample .12
4.2.1 General .12
4.2.2 Liquid – water-based formulations .12
4.2.3 Liquid – oil-based (emulsifiable concentrate EC) formulations .12
4.2.4 Solid – wettable powder (WP) formulations .12
4.2.5 Solid – water dispersible granules (WDG) formulations .12
4.2.6 Solid – pellets, granules, microgranules (slow release) formulations.13
4.2.7 Solid – substrate .
...