Abutilon theophrasti a new host for Orobanche aegyptiaca in Israel EWRS, 2 nd International Conference Weed Management in Arid Ecosystems Santorini (Santorini) 2009 T. Yaacoby, Y. Goldwasser, and B. Rubin R. H. Smith Faculty of Agriculture, Food & Environment The Hebrew University of Jerusalem, Rehovot 76100, Israel
Egyptian broomrape (Orobanche aegyptiaca) parasitizes a broad host rang of agricultural crops: • Legumes • Solanaceae (eggplant, tomato, tobacco, potato and capsicum peppers) • Umbellifferae (carrot, parsley, celery) • Cruciferae (oil seed rape, cabbage) lettuce • Compositae (sunflower)
In summer 2006 we found that O. aegyptiaca is capable to parasitize Abutilon theophrasti, a Malvaceae specie never before mentioned as a host in literature
Tomato 2006
Maize 2006 Tomato 2006
Maize 2006
Maize 2006
O. aegyptiaca From the field to the greenhouse
Abutilon 2007
O. aegyptiaca on Abutilon theophrasti in green house 2007
O. aegyptiaca on Tomato 2007
Abutilon 2007
Abutilon and tomato 2009
O. aegyptiaca Same location (2008) - Sunflower infested with A. theophrasti and O. aegyptiaca
O. aegyptiaca 2008 same location – Watermelon remain infested with A. theophrasti and O. aegyptiaca
Tabor mountain August 2008
On summer 2009 we found in Olive orchard with a history of high infestation of O. aegyptiaca that Malva nicaeensis could be another Malvaceae host too!
O. Aegyptiaca on Solanum nigrum
The ability of O. aegyptiaca to detect, recognize and parasitize A. theophrasti, presents an immediate threat to other Malvaceae species like cotton, okra and ornamentals belonging to this botanical family
I cannot read what is written down below…… but, I know how to thank you in Greek! Efcharisto poli!
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