Orobanche also threatens a wide range of important crops, including peas, chickpeas, tomatoes, carrots, lettuce, and varieties of the genus Brassica (e.g. The seeds of parasitic plants of the genera Striga and Orobanche will only germinate after induction by a chemical signal exuded from the roots of their host. The seeds of parasitic plants of the genera Striga and Orobanche will only germinate after induction by a chemical signal exuded from the roots of their host. Timko MP, Flore CS, Riopel JL, 1989. Crop Protection 22, 865 – 872. Up to now, several of these germination stimulants have been isolated and identified in the root exudates of a series of host plants of both Orobanche and Striga spp. of Orobanche. Striga can infest both grasses and grains, including corn, rice and Sorghum, undoubtedly some of the most important food crops. South American Fruit fly 2. In: Pieterse AH, Verkleij JAC, ter Borg SJ, eds, Biology and management of Orobanche. Mediterranean fruit fly 4. Queensland fruit fly ... Striga hermonthica (Del.) Orobanche ramosa L. Orobanche aegyptiaca Pers. Selective control of Egyptian broomrape (Orobanche aetyptiaca Pers.) Rubiales D, Pérez-de-Luque A, Cubero JI, Sillero JC. Striga orobanchoides Benth. 8 Striga and Orobanche each have species highly adapted to agricultural habitats. Orobanche spp. Up to now, several of these germination stimulants have been isolated and identified in the root exudates of a series of host plants of both Orobanche and Striga spp. Orobanche minor in the Netherlands: an agricultural problem became an endangered species. do not have the same subtle physiological effects on their hosts as Striga spp. But in Africa, the most serious parasitic weeds are the witchweeds, which are obligate hemiparasites in the genus Striga. In most cases, the compounds were shown to be isoprenoid and … ), has been developed using high-performance liquid chromatography connected to tandem mass spectrometry (LC/MS/MS). Nandula, V. K. 1998. The biology of Striga, Orobanche, and other root-parasitic weeds. Indeed, it has been hypothesized that Striga hermonthica coevolved with wild relatives of Sorghum (Mohamed et al. And indeed, holoparasites in the genus Orobanche are well-known pathogens of a variety of crops. cabbage and broccoli). Mexico fruit fly 3. but damage the host via diversion of a substantial proportion of host resources, such that yield losses can be over 50% in Malta and Turkey and over 30% in Egypt. Royal Tropical Institute. 2003. 1996) and the current pathogenic strain of the species has only emerged following domestication of … Bentham Striga ... Orobanche crenata Forskal Orobanche cernua Loefl. [family SCROPHULARIACEAE] Paratype of Striga gesneroides Vatke var. Proceedings of the third international workshop on Orobanche and related Striga research, Amsterdam, Netherlands, 8-12 November 1993. Annual Review of phytopathology 18, 463 – 489. minor Santapau [family OROBANCHACEAE] Crenate broomrape (Orobanche crenata) infection in field pea cultivars. Sawafta MS. 2012. Proceedings of the third international workshop on Orobanche and related Striga research, Amsterdam, Netherlands, November 1993, 614-618. yellowing and necrosis of the foliage, general weakening of the plant and reduced fruit production (CAB International, 2014). A simple and rapid analytical method for strigolactones, germination stimulants for the root parasitic weeds witchweed (Striga spp.) and broomrape (Orobanche spp. by glyphosate and its amino acid status in relation to selected hosts. Intuitively, it seems like the most serious parasitic weeds would be holoparasites. Strigolactones, germination stimulants for the root parasitic weeds witchweed ( Striga spp. crenata Forskal cernua... 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