Granular formulation of <i>Fusarium oxysporum</i> for biological control of faba bean and tomato <i>Orobanche</i>

Alla, Mamdouh M. Nemat; Shabana, Yasser M.; Serag, Mamdouh S.; Hassan, Nemat M.; El-Hawary, M.

doi:10.1002/ps.1625

Cited by 16 publications

(5 citation statements)

References 23 publications

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“…Some species identified as endophytes in this survey are previously described as pathogens in other plants, e.g., Fusarium oxysporum is a pathogen on many plants (Nemat Alla et al 2008), Pyrenophora sp. is a pathogen of wheat (Colson et al 2003).…”

Section: Effect Of Tissue Types On Endophytic Fungimentioning

confidence: 99%

Response of endophytic fungi of Stipa grandis to experimental plant function group removal in Inner Mongolia steppe, China

Guo

Hyde

2010

Fungal Diversity

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Endophytic fungi associated with Stipa grandis in the Inner Mongolia steppe were investigated. Thirty-four fungal taxa were identified from plant tissues obtained in four treatments where different plant functional groups were removed. Nine taxa were obtained from leaves and 25 from roots; and no taxa occurred in both leaves and roots. Colonization rates were significantly higher in roots than in leaves. This finding differs from most previous studies and may be due to the small size of the leaves which grow annually, as compared to the roots which persist from year to year under the ground. Alternaria sp. 1 and Pyrenophora sp., both isolated from leaves, were the dominant species in the four treatments. Fusarium redolens was dominant in the roots in treatments I and II, and Phialophora sp. was dominant in treatments III and IV. Horizontal transmission of endophytes may occur between the same and different grass species. This would normally occur through the roots, again accounting for the higher diversity. The results suggest that surrounding plant diversity or plant composition can affect endophyte communities of S. grandis. If endophyte communities alter with change of functional plant groups, then this is likely to affect the dynamics of ecosystem functioning. Global warming and human activities can increase species extinction, therefore, if some functional groups disappear, then the fungi communities will also change.

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Section: Effect Of Tissue Types On Endophytic Fungimentioning

confidence: 99%

Response of endophytic fungi of Stipa grandis to experimental plant function group removal in Inner Mongolia steppe, China

Guo

Hyde

2010

Fungal Diversity

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“…are members of two unrelated groups of necrotrophic phytopathogenic fungi which are known to produce sphinganine-analog mycotoxins (SAMs) and which have been shown to be virulent on broomrapes (Thomas et al 1998;Cohen et al 2002;Nemat Alla et al 2008). SAMs such as fumonisin B1 and AALtoxins are inhibitors of the eukaryotic sphinganine N-acyltransferase which is involved in sphingolipid biosynthesis.…”

Section: Discussionmentioning

confidence: 99%

“…Thus, Fusarium oxysporum and F. arthrosporioides have been shown to be pathogens with a high control potential on Orobanche and Phelipanche spp. (Thomas et al 1998;Cohen et al 2002;Nemat Alla et al 2008).…”

Section: Introductionmentioning

confidence: 98%

Susceptibility of Phelipanche and Orobanche species to AAL-toxin

Zélicourt

Montiel

Pouvreau

et al. 2009

Planta

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Fusarium and Alternaria spp. are phytopathogenic fungi which are known to be virulent on broomrapes and to produce sphinganine-analog mycotoxins (SAMs). AAL-toxin is a SAM produced by Alternaria alternata which causes the inhibition of sphinganine N-acyltransferase, a key enzyme in sphingolipid biosynthesis, leading to accumulation of sphingoid bases. These long chain bases (LCBs) are determinant in the occurrence of programmed cell death (PCD) in susceptible plants. We showed that broomrapes are sensitive to AAL-toxin, which is not common plant behavior, and that AAL-toxin triggers cell death at the apex of the radicle as well as LCB accumulation and DNA laddering. We also demonstrated that three Lag1 homologs, encoding components of sphinganine N-acyltransferase in yeast, are present in the Orobanche cumana genome and two of them are mutated leading to an enhanced susceptibility to AAL-toxin. We therefore propose a model for the molecular mechanism governing broomrape susceptibility to the fungus Alternaria alternata.

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“…The microconidia and chlamydospores of both isolates formulated as mycoherbicides greatly reduced the number of emerged Orobanche shoots, their heights, attachments, and dry weights. Meanwhile, disease incidence and disease severity of emerged shoots were enhanced (Nemat Alla et al, 2008). Fusarium oxysporum caused heavy reactive oxygen species (ROS) damage in Orobanche induced significant irrevocable genotoxic effects on the DNA of Orobanche, degraded protein metabolism and synthesis, and finally triggered apoptosis (Aybeke, 2017a).…”

Section: Fungimentioning

confidence: 99%

Broomrapes (Orobanche spp.) the Challenge and Management: A review

Qasem

2021

JJAS

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Broomrapes (Orobanche spp.) are among the most damaging parasitic weeds to agriculture. The subsite themselves on the roots of a wide range of cultivated and wild-grown plant species of different plant families. These parasites are varied in morphology and plant hosts they attack, although they share a large number of host species. Certain Orobanche species are more specialized to plant species of specific growth forms such as fruit and forestry trees. All Orobanche species are obligatory parasites because they lack chlorophyll and thus heterotrophic completely depend on host plants for food and/or water absorbed through specialized organs called a haustoria. The present review introduces information on biology, ecology, distribution, host/parasite relationship, economic importance, and management of the most important Orobanche species widely spread in Jordan and worldwide that cause great yield loss of different economic crops and devastate yield totally under heavy infestation. Recent literature and overview information on methods of control followed in Jordan and different parts of the world are included and discussed.

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Granular formulation of Fusarium oxysporum for biological control of faba bean and tomato Orobanche

Abstract: These formulations seemed to destroy Orobanche but appeared harmless to host plants. Hence, they could be efficiently used as mycoherbicides for biological control of Orobanche in faba bean and tomato.

Cited by 16 publications

References 23 publications

Response of endophytic fungi of Stipa grandis to experimental plant function group removal in Inner Mongolia steppe, China

Response of endophytic fungi of Stipa grandis to experimental plant function group removal in Inner Mongolia steppe, China

Susceptibility of Phelipanche and Orobanche species to AAL-toxin

Broomrapes (Orobanche spp.) the Challenge and Management: A review

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