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Diaporthe helianthi (stem canker of sunflower )
Diaporthe helianthi
stem canker of sunflower
Phomopsis helianthi
Worldwide. Primarily found in southern Europe, northern Africa, Central Russia & Southern Russia, Mexico, Argentina, Venezuela, Pakistan
CA, IL, MN, OH, TX
2022-02-23 19:24:01
fungus
China
Helianthus annuus (sunflower)
DIAPHE
Pathogen is limited in the US and due to cultivation practices does not usually cause significant disease losses. (DIAPHE-6)
1 Known Hosts
Helianthus annuus
sunflower
Yes
DIAPHE-2,DIAPHE-7,DIAPHE-3,DIAPHE-5,DIAPHE-7
Seeds may become infected, but infected seeds are usually not viable. Infected seeds lose viability after storage for 10 months. Seed transmission has low importance as a source of inoculum and disease development in areas that are already infested, but could be a means of introduction to new areas.
EPPO has proposed good plant protection practice for control of the disease . 4 yr rotation up to 5 yr rotation.
Good plant protection practice for control of the disease and a 4-5 year crop rotation.
DIAPHE-4
DIAPHE-2
Slyusar' eL, Antonova TS, Bochkarev NI, 1998. On the spread of Phomopsis infection on sunflower. Zashchita i Karantin Rastenii^breve~, No. 1:33-35, (Article in Russian, needs translation to verify information)
DIAPHE-7
Block, C.C. 2015. In Compendium of Sunflower Diseases and Pests. eds.; Robert M. Harveson, Samuel G. Markell, Charles C. Block, and Thomas J. Gulya. APS Press
DIAPHE-3
Battilani P, Rossi V, Girometta B, Delos M, Rouzet J, André N, Esposito S, 2003. Estimating the potential development of Diaporthe helianthi epidemics in Italy. Bulletin OEPP/EPPO Bulletin, 33:
DIAPHE-5
Smetnik AI, Aleksandrov IN, Skripka OV, Izmalkova AG, 1998. Sunflower seeds as a way of preservation of Phomopsis infection. Zashchita i Karantin Rastenii^breve~, No. 1:35-36.
DIAPHE-4
OEPP/EPPO, 2001. EPPO Standards PP 2/21 Good plant protection practice for sunflower. Bulletin OEPP/EPPO Bulletin, 31: 243-255
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