Extension - Citrus Resource Warehouse CGA Grower Advisory Notices
CRI Citrus Production Guidelines
CRI Colour Prints for Blemish and Appearance Standards
CRI Cultivars
CRI Cutting Edge / Snykant
CRI Extension Briefs
CRI Extension Videos
CRI Maturity Graphs
CRI Packaging Material and Palletisation Specifications and Protocols
CRI Pest and Disease Identification
CRI Postharvest Treatment Factsheets
CRI Biosecurity Threats Factsheets
Other Articles and Presentations

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension?format=html Tue, 14 Jul 2026 08:07:59 +0200 en-GB hourly 1 Consumer Assurance Update https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-the-cutting-edge/cri-cutting-edge-2026/12014-cri-cuttingedge-2026-443-uk-eu-sps-reset?format=html Consumer Assurance Update CRI Cutting Edge No. 443 - UK and EU Sanitary and Phytosanitary Reset 

Authors: P. Bester, J. Janse van Rensburg, P. Hardman, E. Carstens, V. Hattingh
Date published: July 2026

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-the-cutting-edge/cri-cutting-edge-2026/12014-cri-cuttingedge-2026-443-uk-eu-sps-reset?format=html CRI Cutting Edge No. 443 - UK and EU Sanitary and Phytosanitary Reset 

Authors: P. Bester, J. Janse van Rensburg, P. Hardman, E. Carstens, V. Hattingh
Date published: July 2026

]]> angela@citrusacademy.org.za (Angela) CRI Cutting Edge / Snykant 2026 Tue, 14 Jul 2026 08:07:59 +0200 CRI Extension Briefs 10/2021 https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/safj-cri-extension-briefs-2021/11972-211000-sa-fruit-journal-cri-extension-briefs-oct-nov-2021?format=html CRI Extension Briefs 10/2021 - Integrated pest management 
- Crop and fruit quality management
- Grondgedraagde siektes
- Fruit and foliar diseases
- Postharvest pathology
- Fertilisation and irrigation

Published by: SA Fruit Journal
Date published: October / November 2021

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/safj-cri-extension-briefs-2021/11972-211000-sa-fruit-journal-cri-extension-briefs-oct-nov-2021?format=html - Integrated pest management 
- Crop and fruit quality management
- Grondgedraagde siektes
- Fruit and foliar diseases
- Postharvest pathology
- Fertilisation and irrigation

Published by: SA Fruit Journal
Date published: October / November 2021

]]> angela@citrusacademy.org.za (Angela) CRI Extension Briefs 2021 Fri, 26 Jun 2026 09:57:36 +0200 Packaging Material and Palletisation Specifications and Protocols 2026 https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-packaging-materials-specifications-and-protocols/11447-cri-packaging-material-specifications-palletisation-protocols-2026?format=html Packaging Material and Palletisation Specifications and Protocols 2026 CRI Guidelines for the 2026 Citrus Export Season

Copyright © 2018 Citrus Research International (Pty) Ltd.
Author: John Jones (CRI Postharvest Technical Forum)

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-packaging-materials-specifications-and-protocols/11447-cri-packaging-material-specifications-palletisation-protocols-2026?format=html CRI Guidelines for the 2026 Citrus Export Season

Copyright © 2018 Citrus Research International (Pty) Ltd.
Author: John Jones (CRI Postharvest Technical Forum)

]]> angela@citrusacademy.org.za (Angela) CRI Packaging Material and Palletisation Specifications and Protocols Tue, 17 Mar 2026 09:00:19 +0200 CRI Extension Briefs 02/2026 https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2026/11371-260200-safj-cri-extension-briefs-feb-march?format=html CRI Extension Briefs 02/2026 - Integrated pest management
- Grondgedraagde siektes
- Citriculture
- Geïntegreerde bemesting/ integrated fertilisation
- Postharvest pathology – prepacking pointers

Published by: SA Fruit Journal
Date published: February / March 2026

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2026/11371-260200-safj-cri-extension-briefs-feb-march?format=html - Integrated pest management
- Grondgedraagde siektes
- Citriculture
- Geïntegreerde bemesting/ integrated fertilisation
- Postharvest pathology – prepacking pointers

Published by: SA Fruit Journal
Date published: February / March 2026

]]> angela@citrusacademy.org.za (Angela) CRI Extension Briefs 2026 Tue, 10 Feb 2026 08:14:01 +0200 CRI Extension Briefs 12/2025 https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/11302-251200-safj-cri-extension-briefs-dec-jan-2026-1?format=html CRI Extension Briefs 12/2025 - Integrated pest management
- Citriculture
- Disease management
- Fruit and foliar diseases

Published by: SA Fruit Journal
Date published: December 2025 / January 2026

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/11302-251200-safj-cri-extension-briefs-dec-jan-2026-1?format=html - Integrated pest management
- Citriculture
- Disease management
- Fruit and foliar diseases

Published by: SA Fruit Journal
Date published: December 2025 / January 2026

]]> angela@citrusacademy.org.za (Angela) CRI Extension Briefs 2025 Tue, 20 Jan 2026 08:54:05 +0200 CRI Extension Briefs 10/2025 https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/11087-251000-safj-cri-extension-briefs-oct-nov?format=html CRI Extension Briefs 10/2025 - Integrated pest management
- Crop and fruit quality management
- Grondgedraagde siektes
- Fruit and foliar diseases
- Postharvest pathology
- Fertilisation and irrigation

Published by: SA Fruit Journal
Date published: October / November 2025

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/11087-251000-safj-cri-extension-briefs-oct-nov?format=html - Integrated pest management
- Crop and fruit quality management
- Grondgedraagde siektes
- Fruit and foliar diseases
- Postharvest pathology
- Fertilisation and irrigation

Published by: SA Fruit Journal
Date published: October / November 2025

]]> angela@citrusacademy.org.za (Angela) CRI Extension Briefs 2025 Mon, 06 Oct 2025 12:44:39 +0200 CRI Extension Briefs 08/2025 https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/10938-250800-safj-cri-extension-briefs-aug-sept?format=html CRI Extension Briefs 08/2025 - Integrated pest management 
- Crop and fruit quality management
- Geïntegreerde bemesting
- Nitrogen fertilisation of citrus
- Fruit and foliar diseases
- Postharvest pathology – waste prevention

Published by: SA Fruit Journal
Date published: August / September 2025

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/10938-250800-safj-cri-extension-briefs-aug-sept?format=html - Integrated pest management 
- Crop and fruit quality management
- Geïntegreerde bemesting
- Nitrogen fertilisation of citrus
- Fruit and foliar diseases
- Postharvest pathology – waste prevention

Published by: SA Fruit Journal
Date published: August / September 2025

]]> angela@citrusacademy.org.za (Angela) CRI Extension Briefs 2025 Mon, 11 Aug 2025 12:19:36 +0200 Clementine Maturity Graph https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10872-cri-maturity-graphs-clementine-2024?format=html Clementine Maturity Graph Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10872-cri-maturity-graphs-clementine-2024?format=html Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> angela@citrusacademy.org.za (Angela) CRI Maturity Graphs Tue, 15 Jul 2025 09:04:55 +0200 Grapefruit Maturity Graph https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10873-cri-maturity-graphs-grapefruit-2024?format=html Grapefruit Maturity Graph Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10873-cri-maturity-graphs-grapefruit-2024?format=html Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> angela@citrusacademy.org.za (Angela) CRI Maturity Graphs Tue, 15 Jul 2025 09:04:54 +0200 Lemon Maturity Graph https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10874-cri-maturity-graphs-lemon-2024?format=html Lemon Maturity Graph Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10874-cri-maturity-graphs-lemon-2024?format=html Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> angela@citrusacademy.org.za (Angela) CRI Maturity Graphs Tue, 15 Jul 2025 09:04:53 +0200 Mandarin Hybrids Maturity Graph https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10875-cri-maturity-graphs-mandarin-hybrids-2024?format=html Mandarin Hybrids Maturity Graph Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10875-cri-maturity-graphs-mandarin-hybrids-2024?format=html Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> angela@citrusacademy.org.za (Angela) CRI Maturity Graphs Tue, 15 Jul 2025 09:04:52 +0200 Navels Maturity Graph https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10876-cri-maturity-graphs-navels-2024?format=html Navels Maturity Graph Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10876-cri-maturity-graphs-navels-2024?format=html Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> angela@citrusacademy.org.za (Angela) CRI Maturity Graphs Tue, 15 Jul 2025 09:04:51 +0200 Satsuma Maturity Graph https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10877-cri-maturity-graphs-satsuma-2024?format=html Satsuma Maturity Graph Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10877-cri-maturity-graphs-satsuma-2024?format=html Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> angela@citrusacademy.org.za (Angela) CRI Maturity Graphs Tue, 15 Jul 2025 09:04:50 +0200 Valencia Maturity Graph https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10878-cri-maturity-graphs-valencia-2024?format=html Valencia Maturity Graph Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cri-maturity-graphs/10878-cri-maturity-graphs-valencia-2024?format=html Copyright © 2024 Citrus Research International (Pty) Ltd.
Date updated: July 2024

]]> angela@citrusacademy.org.za (Angela) CRI Maturity Graphs Tue, 15 Jul 2025 09:04:49 +0200 CRI Extension Briefs 06/2025 https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/10805-250600-safj-cri-extension-briefs-june-july?format=html CRI Extension Briefs 06/2025 - Integrated pest management
- Crop and fruit quality management
- Bemesting/Fertilisation
- Postharvest pathology

Published by: SA Fruit Journal
Date published: June / July 2025

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/10805-250600-safj-cri-extension-briefs-june-july?format=html - Integrated pest management
- Crop and fruit quality management
- Bemesting/Fertilisation
- Postharvest pathology

Published by: SA Fruit Journal
Date published: June / July 2025

]]> angela@citrusacademy.org.za (Angela) CRI Extension Briefs 2025 Tue, 17 Jun 2025 13:28:47 +0200 CRI Extension Briefs 04/2025 https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/10611-250400-cri-extension-briefs-apr-may?format=html CRI Extension Briefs 04/2025 - Integrated pest management
- Crop and fruit quality management
- Citrus black spot disease management
- Grondgedraagde siektes
- Water management / Waterbestuur
- Postharvest pathology – waste prevention checklist

Published by: SA Fruit Journal
Date published: April / May 2025

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/10611-250400-cri-extension-briefs-apr-may?format=html - Integrated pest management
- Crop and fruit quality management
- Citrus black spot disease management
- Grondgedraagde siektes
- Water management / Waterbestuur
- Postharvest pathology – waste prevention checklist

Published by: SA Fruit Journal
Date published: April / May 2025

]]> angela@citrusacademy.org.za (Angela) CRI Extension Briefs 2025 Mon, 07 Apr 2025 13:53:06 +0200 CRI Extension Briefs 12/2024 https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2024/10449-241200-safj-cri-extension-briefs-dec-jan-2025?format=html CRI Extension Briefs 12/2024 - Integrated pest management
- Citriculture
- Disease management

Published by: SA Fruit Journal
Date published: December 2024 / January 2025

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2024/10449-241200-safj-cri-extension-briefs-dec-jan-2025?format=html - Integrated pest management
- Citriculture
- Disease management

Published by: SA Fruit Journal
Date published: December 2024 / January 2025

]]> angela@citrusacademy.org.za (Angela) CRI Extension Briefs 2024 Fri, 07 Feb 2025 10:28:22 +0200 CRI Extension Briefs 02/2025 https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/10437-250200-safj-cri-extension-briefs-feb-march-2025?format=html CRI Extension Briefs 02/2025 - Integrated pest management
- Grondgedraagde siektes
- Citriculture
- Geïntegreerde bemesting/integrated fertilisation
- Postharvest pathology – prepacking pointers

Published by: SA Fruit Journal
Date published: February / March 2025

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/sa-fruit-journal-extension-briefs/cri-extension-briefs-2025/10437-250200-safj-cri-extension-briefs-feb-march-2025?format=html - Integrated pest management
- Grondgedraagde siektes
- Citriculture
- Geïntegreerde bemesting/integrated fertilisation
- Postharvest pathology – prepacking pointers

Published by: SA Fruit Journal
Date published: February / March 2025

]]> angela@citrusacademy.org.za (Angela) CRI Extension Briefs 2025 Fri, 07 Feb 2025 09:40:02 +0200 African Greening https://citrusresourcewarehouse.org.za/home/document-home/extension/cris-biosecurity-factsheets/10386-cri-biosecurity-factsheet-african-greening?format=html African Greening African Citrus Triozid (ACT) (Trioza erytreae) is the most efficient vector of the Laf bacteria causing African Greening.

Date revised: June 2024

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cris-biosecurity-factsheets/10386-cri-biosecurity-factsheet-african-greening?format=html African Citrus Triozid (ACT) (Trioza erytreae) is the most efficient vector of the Laf bacteria causing African Greening.

Date revised: June 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:08 +0200 Asian Citrus Psyllid (ACP) https://citrusresourcewarehouse.org.za/home/document-home/extension/cris-biosecurity-factsheets/10387-cri-biosecurity-factsheet-asian-citrus-psyllid-acp?format=html Asian Citrus Psyllid (ACP) ACP adults is the most efficient vector of the most destructive citrus disease in the world, Huanglongbing (HLB), associated with the bacterium ...

Date revised: January 2024

]]> https://citrusresourcewarehouse.org.za/home/document-home/extension/cris-biosecurity-factsheets/10387-cri-biosecurity-factsheet-asian-citrus-psyllid-acp?format=html ACP adults is the most efficient vector of the most destructive citrus disease in the world, Huanglongbing (HLB), associated with the bacterium ...

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:07 +0200