Pests Advanced Search Hosts Advanced Search
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
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.
The test for Diaporthe, Phomopsis on soybean often applied to testing sunflower seed. (NSHS USDA)
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
Search the database