Effect of Growth Medium and Method of Application ofFusarium oxysporumon Infestation of Sorghum byStriga hermonthicain Burkina Faso

Yonli, Djibril; Traoré, Hamidou; Hess, D. E.; Abbasher, A. A.; Boussim, Issaka Joseph

doi:10.1080/0958315042000198456

Cited by 14 publications

(11 citation statements)

References 4 publications

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“…As a result, sorghum dry biomass and yield were improved. Yonli et al. (2004) reported similar results from a field study conducted in eastern Burkina Faso.…”

Section: Discussionsupporting

confidence: 70%

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Effect of growth medium, Striga seed burial distance and depth on efficacy of Fusarium isolates to control Striga hermonthica in Burkina Faso

et al. 2006

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Striga hermonthica is a destructive parasite of cereal crops in the semi-arid tropical zone. Two greenhouse experiments were conducted at Kamboinse´, Burkina Faso, to investigate the effect of inoculum substrate and location of Striga seeds on the ability of 14 indigenous Fusarium isolates to control the parasite. In Expt 1, Fusarium isolates reduced emerged Striga number, Striga vigour and dry biomass. As a result, sorghum dry biomass and grain yield were enhanced. Inoculum substrate did not influence the ability of Fusarium isolates to control Striga. In Expt 2, Fusarium isolates, substrate and their interaction significantly influenced germination of Striga seeds at both 35 and 50 days after sowing. Isolates grown on compost were more effective at reducing germination of Striga seeds than those grown on chopped sorghum straw. The per cent germination of seeds 50 days after sowing, buried at 5 cm depth, was significantly lower than that of seeds buried at 10 cm. At 10 cm depth, Fusarium isolates still reduced Striga seed germination with respect to the control; horizontal planting distance, 5 or 10 cm from sorghum hills, had no effect.

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“…As a result, sorghum dry biomass and yield were improved. Yonli et al. (2004) reported similar results from a field study conducted in eastern Burkina Faso.…”

Section: Discussionsupporting

confidence: 70%

“…Although virulence and aggressiveness of Fusarium species may vary according to culture substrate (Marley et al. , 1999), Yonli et al. (2004) recently reported from a field experiment conducted in eastern Burkina Faso that neither culture substrate, nor application method affected Fusarium efficacy in controlling S. hermonthica .…”

Section: Introductionmentioning

confidence: 99%

Effect of growth medium, Striga seed burial distance and depth on efficacy of Fusarium isolates to control Striga hermonthica in Burkina Faso

et al. 2006

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“…Elzein et al (2010) and Hassan et al (2009) also reported that a biocontrol strain of F. oxysporum caused severe reduction in numbers of Striga seedlings. Previous studies (Julien et al, 2009;Marley et al, 2004;Yonli et al, 2004) suggested that seed application of F. oxysporum significantly increased sorghum seedling establishment and that the adult plants yielded considerably better. The effects of F. oxysporum applications were explained due to a combination of its direct and indirect effects on the growth of sorghum.…”

Section: Discussionmentioning

confidence: 97%

Evaluation of Sorghum Genotypes Compatibility with Fusarium oxysporum under Striga Infestation

et al. 2013

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Combined use of host resistance and Fusarium oxysporum as a biocontrol agent may provide enhanced management of Striga hermonthica (Delile) Benth. in sorghum [Sorghum bicolor (L.) Moench]. The objective of this study was to identify sorghum genotypes compatible with F. oxysporum and to determine the potential of this biocontrol agent for controlling Striga. Fifty sorghum genotypes were evaluated in the greenhouse in Striga‐infested soils with and without inoculation by F. oxysporum. A supplementary laboratory study was conducted to investigate the growth and proliferation of F. oxysporum in the soil and sorghum roots. Data were recorded on crop growth parameters, Striga incidence and colonization, and the persistence of F. oxysporum in the soil and on plant roots, using samples taken at 45 and 60 d after planting. Inoculation with F. oxysporum significantly shortened days to maturity compared to noninoculated plants. Plant height, biomass, panicle length, and seed yield per plant were higher in F. oxysporum treated pots. Striga emergence was delayed and vigor and overall incidence of the parasite was significantly reduced in Fusarium‐treated pots. The number of Fusarium colony forming units obtained from soil and plant samples were significantly different between genotypes. Three principal components (PCs) contributed to 67.31% of the total variation among the genotypes. Principal component 1, PC2, and PC3 contributed 27, 23, and 18%, respectively, to the total variance. Days to Striga emergence and Striga count and height correlated with PC1 while sorghum panicle length and plant height with PC2 and days to sorghum flowering and maturity with PC3. Thus, 12 promising sorghum lines were identified with farmer‐preferred agronomic traits and with F. oxysporum compatibility. This result is valuable in the development of Striga control in sorghum through integration of host resistance and F. oxysporum inoculation.

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“…Trials were implemented on a sandy-loam, tropical, ferruginous soil. Experimental plots were chosen with a heavy natural infestation of S. hermonthica (at least 30 emerged plants m -² in the previous year) (Yonli et al, 2004).…”

Section: Materials and Methods Site Characteristics And Genetic Matementioning

confidence: 99%

“…The use of soil-borne micro-organisms as biocontrol agents of Striga has been investigated in the region. Fungi (Abbasher et al, 1998;Marley et al, 2004;Yonli et al, 2004Yonli et al, , 2006 and bacteria (Ahonsi et al, 2002) have been suggested as components of integrated Striga management strategies. Ciotola et al (2000) concluded from their work that the use of Fusarium oxysporum (isolate M12-4A) combined with other control measures could contribute to an effective strategy of control Striga.…”

Section: Introductionmentioning

confidence: 99%

Integrated control of Striga hermonthica (Del.) Benth. in Burkina Faso through host plant resistance, biocontrol and fertilizers

Yonli¹,

Traoré²,

Mourik³

et al. 2012

Int. J. Bio. Chem. Sci

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A two-year field study investigated integrated management of Striga hermonthica on sorghum through host crop resistance, biocontrol (Fusarium oxysporum isolate 34-FO), and fertilizer application. The experiment was conducted in a field with natural Striga infestation at Kouaré Research Station in Fada N'Gourma, Burkina Faso. Treatments combining sorghum resistance with Fusarium inoculum and N-fertilizer or manure significantly reduced emerged Striga plant number, plant vigour and dry biomass of Striga and the area under the Striga number progress curve (ASNPC) in 2002, as compared to the control. Integrated Striga Management (ISM) plots fertilized with urea, urea plus growth medium or urea plus manure associated with Fusarium inoculum resulted in improved sorghum grain yield of at least 15% in 2001 and of at least 97% in 2002. Economic analysis showed that the combination of sorghum resistance with fungal inoculum or urea at 200 kg ha -1 allowed for a significant financial profit in sorghum production. The results suggest that to reduce Striga infestation below economic threshold, ISM treatments should be consistently applied for several years without expecting very high returns.

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Effect of Growth Medium and Method of Application ofFusarium oxysporumon Infestation of Sorghum byStriga hermonthicain Burkina Faso

Cited by 14 publications

References 4 publications

Effect of growth medium, Striga seed burial distance and depth on efficacy of Fusarium isolates to control Striga hermonthica in Burkina Faso

Effect of growth medium, Striga seed burial distance and depth on efficacy of Fusarium isolates to control Striga hermonthica in Burkina Faso

Evaluation of Sorghum Genotypes Compatibility with Fusarium oxysporum under Striga Infestation

Integrated control of <em>Striga hermonthica</em> (Del.) Benth. in Burkina Faso through host plant resistance, biocontrol and fertilizers

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