Effect of Bio-Agents, Neem Leaf Extract and Fungicides Against Alternaria Leaf Blight of Wheat (Triticum aestivum L.)

Kakraliya, Sardar Singh; Choskit, Dechan; Pandit, Devanshi; Abrol, Sonali

doi:10.4172/2329-6836.1000295

Cited by 10 publications

(10 citation statements)

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“…Sadana&Didwania, (2015) obtained 73.7% inhibition in 15% neem against A. solani. Similarly, Kavita and Dalbeer (2015), Waghe et al, (2015), Kakraliya et al, (2018) revealed significant inhibition effect of neem. Chethana et al, (2012), Thaware et al, (2010) and Kantwa et al, (2014) reported better performance of garlic among tested extacts against Alternaria sp.The result was in contrary with result of Shrestha and Tiwari, (2009); Biswas and Gosh, (2018).…”

Section: In Vitro Evaluation Of Botanical Extractsmentioning

confidence: 68%

“…Synthetic fungicides bring about the inhibition of pathogens either by destroying theircell membrane or its permeability or by inhibiting metabolic processes of the pathogen and hence are effective (Kakraliya et al, 2018). Higher inhibition effect of hexaconazole is due to inhibition of ergosterol biosynthesis, controlling the growth and reproduction of fungal pathogen (Muhamad et al, 2010).…”

Section: In Vitro Evaluation Of Chemical Fungicidesmentioning

confidence: 99%

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In vitro Evaluation of Botanical Extracts, Chemical Fungicides and Trichoderma harzianum Against Alternaria brassicicola Causing Leafspot of Cabbage

et al. 2020

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Alternaria leaf spot caused by Alternaria brassicicola is one of the destructive diseases of crucifers and causes considerable loss in the yield and quality of the produce. An experiment was conducted in in vitro to evaluate the efficacy of six botanical extracts at three concentrations i.e. 5%, 10% and 15%, six chemical fungicides at five different concentrations i.e. 50ppm, 100ppm, 250ppm, 500ppm and 1000ppm and Trichoderma harzianum against Alternaria brassicicola. The study was carried out using poisoned food technique for botanical extracts and chemical fungicides and dual culture technique for T. harzianum in Completely Randomized Design (CRD). Among botanical extracts, maximum inhibition (99.91%) of mycelial growth was observed in sweet flag at 15% concentration followed by 10% sweet flag (96.68%) and 5% sweet flag (93.64%) and minimum inhibition percent (5.61%) was observed in Lantana camara at 5% concentration. Hexaconazole proved to be the most effective chemical fungicide recording 100% growth inhibition at all the tested concentrations which was at par with1000 ppm metalaxyl + mancozeb (Kriloxyl Gold), 500 and 1000 ppm mancozeb and 1000 ppm carbendazim + mancozeb(SAAF)whereas, 50 ppm carbendazim was least effective in reducing fungal growth (7.16%). T. harzianum showed 65.02% inhibition of test fungus. The study indicated better performance of some chemical fungicides even at lower concentrations i.e. 100ppm and 250ppm. So, such effective fungicides could be used to minimize hazardous effect. Significant effect of some botanical extracts against pathogen growth suggests their application as potential control agent alternative to chemicals.

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Section: In Vitro Evaluation Of Botanical Extractsmentioning

confidence: 68%

Section: In Vitro Evaluation Of Chemical Fungicidesmentioning

confidence: 99%

In vitro Evaluation of Botanical Extracts, Chemical Fungicides and Trichoderma harzianum Against Alternaria brassicicola Causing Leafspot of Cabbage

et al. 2020

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“…The results of this experiment are similar to those of Arunakumara (2006), who reported that propiconazole showed the maximum inhibition of the mycelial growth of A. brassicae (84.75%). Kakraliya et al (2018) observed the effect of fungicides against Alternaria sp. and a maximum inhibition percent of the mycelia growth was observed in propiconazole (89.72%).…”

Section: Discussionmentioning

confidence: 99%

Alternaria leaf spot of broccoli caused by Alternaria alternata in Bangladesh

Nira¹,

Hossain²,

Mahmud³

et al. 2021

Plant Prot. Sci.

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This study aimed to isolate and characterise the pathogen associated with Alternaria leaf spot on broccoli and to evaluate the inhibitory effects of fungicides against it. We isolated and identified the fungal pathogen as Alternaria sp. using morphological and cultural methods. Based on the aligned sequences of the internal transcribed spacer (ITS) and molecular phylogenetic analysis by the neighbour-joining method, the isolates (Ab1 and Ab2) were confirmed as Alternaria alternata. The conidia of the isolates were dark brown, cylindrical, obclavate to muriform. The conidiophores were olivaceous brown, septate, and branched. The conidial morphology of the isolates ranged from 52.4–92.4 × 10–20 μm with 2–6 transverse and 0–3 longitudinal septa. Both isolates yielded positive results in the pathogenicity test on broccoli leaves by developing brown and circular spots with concentric rings on the leaves surrounded by yellow halos. The culture studies revealed that the maximum growth of the pathogen was obtained at 30 °C and pH 6.0. Tilt 250 WC showed the highest potential in suppressing the mycelial growth of the A. alternata in vitro at a concentration as low as 50 µg/mL. The results from this study contributed to the positive identification of the pathogen and characterised A. alternata as a destructive pathogen of broccoli which may be successfully controlled by the fungicide Tilt.

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“…Due to the presence of suck king of antimicrobial compounds in their body, botanicals especially medicinal plants such as neem, castor, akondo, basok, ata, etc. are used globally for controlling different plant diseases (Kakraliya et al, 2018;Zohura et al, 2018;Sharma and Kumar, 2016;Mathur et al, 2011;Latif et al, 2006;). The effect of botanicals against a pathogen can be varied based on antimicrobial compounds present on the botanical extracts (Tijjani et al, 2014;Shrestha and Tiwari, 2009).…”

Section: Net House Evaluation Of Selected Botanicals On Disease Reduc...mentioning

confidence: 99%

Management of Seed Associated Fungi and Alternaria Leaf Spot Disease of Black Mustard (Brassica Nigra L.) Using Botanicals

Tudu

Islam

et al. 2023

Bangladesh J. Agric. Res

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The efficacy of five native botanicals viz., neem, castor, akondo, basok and ata against the seed associated fungi and in controlling the leaf spot disease of black mustard was evaluated. In blotter method, maximum reduction (85.91%) of seed associated fungi was observed in the seeds treated with ata (1:1) while neem (1:1), ata (1:2) and castor (1:1) gave 83.52, 82.59 and 82.39%, respectively reduction of fungi over control. Maximum seed germination (93%) was observed in seeds treated with akondo (1:1), where neem (1:1), castor (1:1) and akondo (1:2) supported 92, 92 and 90% seed germination, respectively. Maximum reduction of percent disease incidence (29.22%) and percent diseases severity (24.67%) were recorded with the application of neem (1:1) at 28 days after sowing with highest shoot length (16.09cm), root length (4.69cm), vigor index (1842.56%) and seed yield (33.70%) comparison to control in the net house. The findings neem (1:1) was found as an effective botanical for the ecofriendly management of seed associated fungi and Alternaria leaf spot diseases of black mustard. Bangladesh J. Agril. Res. 46(4): 407-416, December 2021

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Effect of Bio-Agents, Neem Leaf Extract and Fungicides Against Alternaria Leaf Blight of Wheat (Triticum aestivum L.)

Cited by 10 publications

References 0 publications

In vitro Evaluation of Botanical Extracts, Chemical Fungicides and Trichoderma harzianum Against Alternaria brassicicola Causing Leafspot of Cabbage

In vitro Evaluation of Botanical Extracts, Chemical Fungicides and Trichoderma harzianum Against Alternaria brassicicola Causing Leafspot of Cabbage

Alternaria leaf spot of broccoli caused by Alternaria alternata in Bangladesh

Management of Seed Associated Fungi and Alternaria Leaf Spot Disease of Black Mustard (Brassica Nigra L.) Using Botanicals

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