​CRI Biosecurity Threats Factsheets - Citrus Resource Warehouse CRI Biosecurity Threats Factsheets are produced by the CRI Biosecurity Division. 

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets?format=html Thu, 23 Jan 2025 14:16:08 +0200 en-GB hourly 1 African Greening https://crw.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://crw.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://crw.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://crw.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 Asian Greening (Huanglongbing HLB) https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10388-cri-biosecurity-factsheet-asian-greening-hlb?format=html Asian Greening (Huanglongbing HLB) HLB, associated with the bacterium ‘Candidatus Liberibacter asiaticus’ (CLas), is the most destructive citrus disease worldwide.

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10388-cri-biosecurity-factsheet-asian-greening-hlb?format=html HLB, associated with the bacterium ‘Candidatus Liberibacter asiaticus’ (CLas), is the most destructive citrus disease worldwide.

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:06 +0200 Citrus Canker https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10389-cri-biosecurity-factsheet-citrus-canker?format=html Citrus Canker Citrus canker is caused by the bacterium Xanthomonas citri.

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10389-cri-biosecurity-factsheet-citrus-canker?format=html Citrus canker is caused by the bacterium Xanthomonas citri.

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:05 +0200 Citrus Leprosis (CL) https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10390-cri-biosecurity-factsheet-citrus-leprosis-cl?format=html Citrus Leprosis (CL) CL is associated with at least 7 distinct viruses, belonging either to the cytoplasmic type (CL-C) or the nuclear type (CL-N).

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10390-cri-biosecurity-factsheet-citrus-leprosis-cl?format=html CL is associated with at least 7 distinct viruses, belonging either to the cytoplasmic type (CL-C) or the nuclear type (CL-N).

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:04 +0200 Citrus Sudden Death (CSD) https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10391-cri-biosecurity-factsheet-citrus-sudden-death-csd?format=html Citrus Sudden Death (CSD) The causal agent of this disease has not been confirmed, but is associated with citrus sudden death-associated virus (CSDaV).

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10391-cri-biosecurity-factsheet-citrus-sudden-death-csd?format=html The causal agent of this disease has not been confirmed, but is associated with citrus sudden death-associated virus (CSDaV).

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:04 +0200 Citrus Variegated Chlorosis (CVC) https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10392-cri-biosecurity-factsheet-citrus-variegated-chlorosis-cvc?format=html Citrus Variegated Chlorosis (CVC) CVC is caused by the subspecies Xylella fastidiosa subsp. pauca, where Xylella fastidiosa is considered one of the most dangerous plant-pathogenic bacteria.

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10392-cri-biosecurity-factsheet-citrus-variegated-chlorosis-cvc?format=html CVC is caused by the subspecies Xylella fastidiosa subsp. pauca, where Xylella fastidiosa is considered one of the most dangerous plant-pathogenic bacteria.

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:03 +0200 Mal Secco https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10382-cri-biosecurity-factsheet-mal-secco?format=html Mal Secco Mal secco is caused by the fungus Plenodomus tracheiphilus.

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10382-cri-biosecurity-factsheet-mal-secco?format=html Mal secco is caused by the fungus Plenodomus tracheiphilus.

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:01 +0200 Peach Fruit Fly https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10383-cri-biosecurity-factsheet-peach-fruit-fly?format=html Peach Fruit Fly Bactrocera zonata is one of the most harmful species of Tephritidae.

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10383-cri-biosecurity-factsheet-peach-fruit-fly?format=html Bactrocera zonata is one of the most harmful species of Tephritidae.

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:01 +0200 Post Bloom Fruit Drop (PFD) https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10384-cri-biosecurity-factsheet-post-bloom-fruit-drop-pfd?format=html Post Bloom Fruit Drop (PFD) Colletotrichum abscissum is the causal agent of PFD.

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10384-cri-biosecurity-factsheet-post-bloom-fruit-drop-pfd?format=html Colletotrichum abscissum is the causal agent of PFD.

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:16:00 +0200 Pseudocercospora Leaf & Fruit Spot https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10385-cri-biosecurity-factsheet-pseudocercospora-leaf-fruit-spot?format=html Pseudocercospora Leaf & Fruit Spot This leaf and fruit spot disease is caused by Pseudocercospora angolensis.

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10385-cri-biosecurity-factsheet-pseudocercospora-leaf-fruit-spot?format=html This leaf and fruit spot disease is caused by Pseudocercospora angolensis.

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:15:59 +0200 Yellow Vein Clearing Disease https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10379-cri-biosecurity-factsheet-yellow-vein-clearing-disease?format=html Yellow Vein Clearing Disease Yellow vein clearing disease is caused by citrus yellow vein clearing virus.

Date revised: January 2024

]]> https://crw.org.za/home/document-home/extension/cris-biosecurity-factsheets/10379-cri-biosecurity-factsheet-yellow-vein-clearing-disease?format=html Yellow vein clearing disease is caused by citrus yellow vein clearing virus.

Date revised: January 2024

]]> angela@citrusacademy.org.za (Angela) ​CRI Biosecurity Threats Factsheets Thu, 23 Jan 2025 14:15:58 +0200