Influence of Inoculation Methods and Inoculum Levels on the Aggressiveness of Fusarium oxysporum f. sp. ciceris on Chickpea and Plant Growth

Maitlo, S. A.; Syed, Rehana Naz; Rustamani, M. A.; Khuhro, Rab Dino; Lodhi, Abdul Mubeen

doi:10.17957/ijab/15.0057

Cited by 7 publications

(3 citation statements)

References 8 publications

(10 reference statements)

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“…For F. oxysporum, when Maitlo et al (2014) used Dithane-M in combination with metalaxil against fusarium wilt of chickpea caused by F. oxysporum f. sp. cubense, it was found not to be efficient against the fungus at any dose.…”

Section: Percent Inhibition Of Sf2 On Fusarium Oxysporum and Pestalotiopsis Microsporamentioning

confidence: 99%

Effect of Two Fungicides on Mycelial Growth of Fungi Causing Leaf Blight and Wilt of the Rubber Plant (Hevea brasiliensis Muell Arg.) in Cameroon

Godswill¹,

Bernadette-Sorele²,

Ulrich³

et al. 2020

JAS

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Rubber (Hevea brasiliensis Muell. Arg., Euphorbiaceae) is a tropical tree crop mainly grown for the industrial production of latex. The rubber sector in Cameroon is faced with the effects of global economic crisis and a drop in the yield of latex due to several pests and diseases. This study focused on leaf diseases caused by Fusarium oxysporum and Pestalotiopsis microspora. The fungi were isolated from the leaves of the rubber plant and cultured for characterization on two media (Potato Dextrose Agar (PDA) and Potato Carrot Dextrose Agar (PCDA)) at various temperature and pH levels. Using the poison food technique, an in vitro assay was done to assess the effect of two fungicides (Synthetic Fungicide 1 (SF1) and Synthetic Fungicide 2 (SF2)) at the respective doses of 0.006, 0.013 and 0.025 g.L-1, and 0.005, 0.01 and 0.02 g.L-1 on the growth of the two fungi. Results obtained show that PDA is most favourable for the growth of both fungi compared to PCDA. Both fungi attained optimal growth at pH 7 and at an incubation temperature of 25 oC. Neither F. oxysporum nor P. microspora grew on SF1-amended PDA and PCDA at all doses of the fungicide. SF2 significantly (P>0.05) inhibited the growth of P. microspora by 53.3% at the dose of 0.025 g.L-1 while F. oxysporum was less sensitive to the fungicide at all doses. In vitro pathogenicity test revealed similar disease symptoms as those observed in the field. This study shows that SF1 is the best fungicide against F. oxysporum and P. microspora as it gave 100% inhibition on the growth of both fungi.

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Section: Percent Inhibition Of Sf2 On Fusarium Oxysporum and Pestalotiopsis Microsporamentioning

confidence: 99%

Effect of Two Fungicides on Mycelial Growth of Fungi Causing Leaf Blight and Wilt of the Rubber Plant (Hevea brasiliensis Muell Arg.) in Cameroon

Godswill¹,

Bernadette-Sorele²,

Ulrich³

et al. 2020

JAS

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“…This was done by ventilating the glasshouse whenever the temperature rises above the required temperature. The recommended methods of inoculation and doses for the tested pathogens were used (Iqbal et al, 2010;Maitlo et al, 2016).…”

Section: Pathogenicity Testmentioning

confidence: 99%

Pathogen Identification and Evaluation of Chickpea Varieties for Resistance Against the Pathogens in West Shewa, Oromia Regional State, Ethiopia

Assfaw¹

2019

ALST

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Chickpea (Cicer arietinum L) is one of the economically important grain legume crops in Africa particularly in Ethiopia which widely grown in marginal soils and usually as rotational crops in highland and semi-highland regions of the country and also as a source of cash to the farmers and foreign currency in Ethiopia. However, its production is affected by many pest and diseases. Among them wilt or root rot diseases are considered as the major problems in chickpea production. Therefore, the present study was conducted to identify chickpea wilt or root rot causing pathogens and evaluate of chickpea varieties resistance against identified pathogens in West Shewa, Oromia regional state, Ethiopia. The pathogenicity test revealed that three fungal pathogens, Fusarium oxysporum, Fusarium solani and Rhizoctonia bataticola were identified as wilt/root rot causing pathogens. The percentage frequency of occurrence of Fusarium oxysporum, Fusarium solani and Rhizoctonia bataticola regardless of the districts were 50.7%, 26.76% and 14.08%, respectively. Among seven chickpea varieties, host resistance were evaluated against the identified wilt /root rot causing fungal pathogens, the variety, Arerti was the only resistant to all identified wilt causing pathogenic isolates. The varieties, Arerti and Shasho were resistant and Habru was moderately resistant reaction to Fusarium oxysporum. But local and Dz-10-4 cultivars were found to be highly susceptible. The cultivars, Arerti, Acos dube and Dz-10-4 were found to be resistant and Shasho and Chefe were moderately resistant to Rhizoctonia bataticola. Except Arerti variety, all inoculated varieties were susceptible to Fusarium solani isolate. Only local variety was highly susceptible to all identified pathogenic isolates. The remaining varieties were susceptible to tested pathogenic isolates with varying degrees. Therefore, from the artificial inoculation test, resistance of chickpea varieties to specific isolates could be further deployed for sustainable wilt or root rots management. Further, the effective and feasible integrated management options need to be developed on chickpea wilt /root rot diseases in the country.

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“…The seedlings were transplanted in plastic pots (8 cm diameter) containing a sterilized soil mixture (1:1 top soil : compost) under greenhouse conditions at Horticultural Crops Research and Developmental Institute, Gannoruwa. A set of 20 days old ten seedlings of tomato and brinjal, which were, were inoculated separately with each Fusarium isolate at a concentration of 1 x10 6 (spores/mL) adopting a root inoculation technique (Maitlo et al, 2016). Another set of 20 days old seedlings (n = 10) were inoculated with sterile distilled water to serve as the control.…”

Section: Confirmation Of Pathogenicitymentioning

confidence: 99%

Molecular identification of <i>Fusarium</i> spp. from wilt-infected tomato and brinjal plants in selected regions of Sri Lanka and endophytic bacteria as a potential option for disease management

Weeraratne

Costa

2018

Trop. Agric. Res.

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Fusarium wilt caused by Fusarium spp. is an economically important fungal disease of tomato and brinjal production areas in Sri Lanka. The study was carried out to identify Fusarium isolates infecting tomato and brinjal, and endophytic antagonists bacteria against Fusarium wilt pathogen. The infected tomato and brinjal samples were collected from farmers' fields in Matale, Kandy, Nuwara Eliya and Badulla districts and PCR was conducted using primers specific for species, races and formae speciales. Eight, nine and five isolates were identified as Fusarium solani, Fusarium oxysporum f. sp. lycopersici race 1 and Fusarium oxysporum f. sp. radicis-lycopersici, respectively from the wilt-infected tomato and brinjal collected from the four districts. Thirty endophytic bacterial isolates were isolated from healthy tomato and brinjal stems were antagonistic against Fusarium oxysporum f. sp. lycopersici and Fusarium solani. Molecular identification revealed that Pseudomonas geniculata strain ICPH-14, Pseudomonas sp. strain SB 904 (E7), Delftia tsuruhatensis strain MTQ 1, Stenotropomonas maltophilia strain ATCC 13637, Stenotropomonas pavanii strain ICB 89, and Bacillus velezensis strain C19 were among the potential endophytic antagonists.

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Influence of Inoculation Methods and Inoculum Levels on the Aggressiveness of Fusarium oxysporum f. sp. ciceris on Chickpea and Plant Growth

Cited by 7 publications

References 8 publications

Effect of Two Fungicides on Mycelial Growth of Fungi Causing Leaf Blight and Wilt of the Rubber Plant (Hevea brasiliensis Muell Arg.) in Cameroon

Effect of Two Fungicides on Mycelial Growth of Fungi Causing Leaf Blight and Wilt of the Rubber Plant (Hevea brasiliensis Muell Arg.) in Cameroon

Pathogen Identification and Evaluation of Chickpea Varieties for Resistance Against the Pathogens in West Shewa, Oromia Regional State, Ethiopia

Molecular identification of <i>Fusarium</i> spp. from wilt-infected tomato and brinjal plants in selected regions of Sri Lanka and endophytic bacteria as a potential option for disease management

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