Efficacy of fungicides, botanicals and bioagents against Rhizoctonia solani inciting leaf blight on turmeric (Curcuma longa L.)

Sriraj, P. P.; Sundravadana, S.; Adhipathi,; Alice, D.

doi:10.5897/ajmr2013.6315

Cited by 6 publications

(2 citation statements)

References 14 publications

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“…Carbendazim 50 % WP in the concentration of 0.1% showed the highest growth inhibition of 95.96 % and lowest growth of pathogen (0.50 cm) when tested with R. solani. Similar observation was recorded in a study where bavistin was effective against R. solani at lower concentration in inhibiting the mycelia growth and sclerotial production [8]. It was also reported that carbendazim inhibited radial growth of R. solani by 95-100 % [9].…”

Section: Resultssupporting

confidence: 82%

In-vitro Efficacy of Fungicides against Rhizoctonia solani Causing Banded Leaf and Sheath Blight of Maize

Debbarma

Rajesh

Devi

2021

IJPSS

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An experiment was carried out to find out the in-vitro efficacy of systemic and contact fungicides against the pathogen of maize banded leaf and sheath blight (Rhizoctonia solani f. sp. sasakii) by using poisoned food technique. The present experiment was conducted in College of Post Graduate Studies in Agricultural Sciences, Central Agricultural University, Umiam, Meghalaya for the evaluation of different fungicides against the pathogen R. solani f. sp. sasakii. Eight systemic (Carbendazim, Tebuconazole, Propiconazole, Myclobutanil, Azoxystrobin, Metalaxyl, Tricyclazole, Pyraclostrobin), three contact (Mancozeb, Captan and Chlorothalonil) and combination of systemic and contact fungicide (Carbendazim + Mancozeb) were used for the experiment with different concentrations. Among twelve fungicides, Carbendazim was found to be the most effective at concentration of 0.1 % with 95.96 % growth inhibition. Suimilarly, Metalaxyl at concentration of 0.28 % was found to be the least effective with growth inhibition of 55.55 %. The results showed significant differences between different fungicides to inhibit the growth of R. solani.

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Section: Resultssupporting

confidence: 82%

In-vitro Efficacy of Fungicides against Rhizoctonia solani Causing Banded Leaf and Sheath Blight of Maize

Debbarma

Rajesh

Devi

2021

IJPSS

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“…Hunjan et al (2012) reported that fungicides viz., trifloxystrobin+ tebuconazole, tebuconazole and propiconazole showed higher level of efficacy against R. solani of rice in laboratory conditions. Among the new formulations, Nativo and Bavistin were individually effective against the pathogen in inhibiting the mycelia growth and sclerotial production at lower concentration (Sriraj et al 2014). Tiwari et al (2002) reported that propiconazole and hexaconazole at 1000 ppm concentration completely inhibit the radial growth Rhizoctonia solani.…”

Section: Resultsmentioning

confidence: 99%

Efficacy of Fungicides Against Rhizoctonia solani Inciting Rhizome Rot Diseases on Large Cardamom (Amomum subulatum Roxb.)

Karkee

Mandal²

2020

Int J Appl Sci Biotechnol

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An in-vitro experiment was carried out for testing the efficacy of various fungicides by adopting poisoned bait method against Rhizoctonia solani (isolated from large cardamom) in Agricultural Research Station, Pakhribas. The experiments were conducted with Completely Randomized Design (CRD) during 2016 with four replications. Two level of concentration of the fungicides (10 ppm and 100 ppm) were used and concentration was calculated based on active ingredients (a.i.) of the pesticides. At lower concentration (10 ppm), Nativo (Tubeconazole 50% + Trifloxystrobin 25 WG) and Dhanustan (Carbendazim 50 % WP) whereas at higher concentration (100 ppm), Folicure (Tubeconazole 25.9 %) and Saaf (Carbendazim 12 % + Mancozeb 63 % WP) found effective for the inhibitions of mycelia growth of R. solani. For the control of R. solani, Nativo and Dhanustan showed greatest inhibition of mycelia growth at 10 ppm concentration as compared to other fungicides. The fungicides containing Tubeconazole and Carbendazim as active ingredients, shows highest degree of mycelia inhibitions as compared to others. The fungicides found effective for inhibition of mycelia growth of R. solani in this study should be further tested in field conditions to verify their efficacy as well as to determine their optimum doses of application. Int. J. Appl. Sci. Biotechnol. Vol 8(1): 61-64

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Fungal endophytes of turmeric (Curcuma longa L.) and their biocontrol potential against pathogens Pythium aphanidermatum and Rhizoctonia solani

Vinayarani

Prakash

2018

World J Microbiol Biotechnol

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Endophytic fungi have been isolated from the healthy turmeric (Curcuma longa L.) rhizomes from South India. Thirty-one endophytes were identified based on morphological and ITS-rDNA sequence analysis. The isolated endophytes were screened for antagonistic activity against Pythium aphanidermatum (Edson) Fitzp., and Rhizoctonia solani Kuhn., causing rhizome rot and leaf blight diseases in turmeric respectively. Results revealed that only six endophytes showed> 70% suppression of test pathogens in antagonistic dual culture assays. The endophyte T. harzianum TharDOB-31 showed significant in vitro mycelial growth inhibition of P. aphanidermatum (76.0%) and R. solani (76.9%) when tested by dual culture method. The SEM studies of interaction zone showed morphological abnormalities like parasitism, shriveling, breakage and lysis of hyphae of the pathogens by endophyte TharDOB-31. Selected endophytic isolates recorded multiple plant growth promoting traits in in vitro studies. The rhizome bacterization followed by soil application of endophyte TharDOB-31 showed lowest Percent Disease Incidence of rhizome rot and leaf blight, 13.8 and 11.6% respectively. The treatment of TharDOB-31 exhibited significant increase in plant height (85 cm) and fresh rhizome yield/plant (425 g) in comparison with untreated control under greenhouse condition. The confocal microscopy validates the colonization of the TharDOB-31 in turmeric rhizomes. The secondary metabolites in ethyl acetate extract of TharDOB-31 were found to contain higher number of antifungal compounds by high resolution liquid chromatograph mass spectrometer analysis. Thereby, endophyte T. harzianum isolate can be exploited as a potential biocontrol agent for suppressing rhizome rot and leaf blight diseases in turmeric.

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Efficacy of fungicides, botanicals and bioagents against Rhizoctonia solani inciting leaf blight on turmeric (Curcuma longa L.)

Abstract: Department caused by rop. Fifty pe trict) and Me and fungicide adhuca longi tion of biom orea. Among udomonas sp owth and 100 Bavistin fun e ratio of 1:2

Cited by 6 publications

References 14 publications

In-vitro Efficacy of Fungicides against Rhizoctonia solani Causing Banded Leaf and Sheath Blight of Maize

In-vitro Efficacy of Fungicides against Rhizoctonia solani Causing Banded Leaf and Sheath Blight of Maize

Efficacy of Fungicides Against Rhizoctonia solani Inciting Rhizome Rot Diseases on Large Cardamom (Amomum subulatum Roxb.)

Fungal endophytes of turmeric (Curcuma longa L.) and their biocontrol potential against pathogens Pythium aphanidermatum and Rhizoctonia solani

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