Control of<i>Colletotrichum truncatum</i>causing anthracnose/pod blight of soybean by aqueous leaf extracts and biocontrol agents

Jagtap, G. P.; Gavate, D. S.; Dey, Utpal

doi:10.5958/j.0976-0571.37.3.050

Cited by 6 publications

(6 citation statements)

References 2 publications

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“…In years with particularly high disease pressure, yield increases of up to 20% have been achieved. Considering incremental cost-benefit ratio (ICBR), the most economical treat ment that results in giving the highest CBR is the fungicide carbendazim (CBR, 1:14.45) fol lowed by a combination of carbendazim + mancozeb (CBR, 1:8.92) (Jagtap et al 2012a). Similar results with the use of carbendazim (0.1% spray) have been obtained in a separate study made by Gawade et al (2009b).…”

Section: Chemical Controlsupporting

confidence: 60%

“…Aqueous leaf extract of garlic, tulsi and onion, ginger, and neem leaf extracts at about 20% concen tration appears to be the best in inhibiting the radial growth and mycelial dry weight of the patho gen (Shovan et al 2008, Jagtap et al 2012a; the 10% leaf extract of Lawsonia inermis also reduces anthracnose disease incidence significantly (Chandrasekaran et al 2000a). Combined application of leaf extract of L. inermis (5%) with alum at 1% and 0.1% can give 100% reduction in pod blight infection (Chandrasekaran and Rajappan 2002).…”

Section: Authorsmentioning

confidence: 99%

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Diseases of Edible Oilseed Crops

Chattopadhyay¹,

Kolte²,

Waliyar³

2015

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AgriculturalSciences. He has more than 22 years of research experience in oilseed crop disease management and has significantly contributed in the areas of understanding the host-pathogen interactions, epi demiology, and integrated disease management in sunflower, safflower, sesame, peanut, and rape seed-mustard crops. He has published more than 70 peer-reviewed research papers and 4 books. Dr. Chattopadhyay has to his credit several academic awards and one patent. His significant research achievements include the development of Fusarium wilt-resistant genotypes in safflower, the iden tification of genotypes of Brassica juncea resistant to a mixture of isolates of Albugo candida, the development of a biocontrol agent formulation to reduce the use of fungicides in the management of major diseases of oilseeds (Brassica), and seed treatment (and foliar application) of aqueous bulb extract of Allium sativum for the management of major foliar diseases (Alternaria blight, white rust, powdery mildew, and Sclerotinia stem rot) of mustard. S.J. Kolte, professor of plant pathology (Retd.

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Section: Chemical Controlsupporting

confidence: 60%

Section: Authorsmentioning

confidence: 99%

Diseases of Edible Oilseed Crops

Chattopadhyay¹,

Kolte²,

Waliyar³

2015

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“…Though known mainly for causing anthracnose, many Colletotrichum species also incite other diseases such as dieback, leaf spot, flower rot, fruit rot, stem end rot and root rot (Bruce et al, 2013). Colletotrichum truncatum causes anthracnose/pod blight of soybean (Jagtap et al, 2014); while Leaf blight of musli (Chlorophytum borivilianum) is caused by C. capscici (Sattar et al, 2005) and C. dematium (Banginwar et al, 2012). Leaf blight of Azadirachta indica by C. dematium has also been reported (Bhanumathi and Rai, 2007).…”

Section: Resultsmentioning

confidence: 99%

Incidence of leaf blight disease of Egusi melon in South-west Nigeria

Ogunsola¹,

Ikotun²,

Ogunsola³

2020

Afr. Crop Sci. J.

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Egusi melon (Citrullus lanatus (Thumb) Mansf.) is an important vegetable crop grown for edible seeds and oil in West Africa. Leaf Blight Disease (LBD) is one of the major constraints to its production, with potential to cause economic damage. The objective of this study was to investigate the incidence and distribution of leaf blight on Egusi melon in Southwestern Nigeria. A survey of LBD of Egusi melon was conducted in 2015 and 2016, in five southwestern States of Nigeria (Ogun, Oyo, Osun, Ekiti and Ondo States). Twenty plants each, were randomly sampled from 150 farms comprising 30 farms each, from each State. The distribution of different Egusi melon varieties planted was recorded. “Bara” cv. was the most cultivated variety (51.6%); followed by “Bojuri” (30.4%) and “Serewe” (18%). Leaf blight was observed in most farms in the five States, from 73% in Osun and Oyo states to 83% in Ondo State. Disease incidence and severity varied with locations and cultivars, and ranged from 0.0-87.5±18% and 1.0±0-4.5±0.8 in Osun State to 20.0±19 - 95.0±4.5% and 2.3±1.5 - 5.0±0 in Ondo State. Out of the twelve fungal pathogens from ten genera isolated from infected plants, only Colletotrichum truncatum, C. gloeosporioides and Lasiodiplodia theobromae caused Leaf blight on Egusi melon. Key words: Colletotrichum gloeosporioides, Colletotrichum truncatum, Lasiodiplodia theobromae

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“…Carbendazim was discovered by Tasiwal et al, 2009 to be the chemical that was most effective at preventing the mycelial growth of C. gloeosporioides at three different concentrations (0.05, 0.1, and 0.15%) out of all those that were tested. Using nine fungicides, Jagtap et al (2013) tested them in vitro against C. truncatum, the organism that causes soybean anthracnose/pod blight. The researchers found that mancozeb had the highest mean colony diameter (10.38 mm) and the lowest mycelial growth inhibition when compared to the untreated control, whereas carbendazim had the lowest mean colony diameter (7.52 mm) and the highest mycelial growth inhibition (91.63%).…”

Section: Discussionmentioning

confidence: 99%

Management of anthracnose (Vigna radiata (L.) Wilczek] caused by Colletotricum gleosporiodes (Penz.) Penz. & Sacc.) disease in green gram through ready-mix fungicides under field conditions

R.G. Parmar,

S.J. Mistry,

A. Rathva

et al. 2023

EEC

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As a result of fungal diseases, green gram is prone to powdery mildew, anthracnose, cercospora leaf spot, and dry root rot. The one that has the most influence on the economy is anthracnose, which is caused by Colletotricum gleosporiodes (Penz.) Penz. & Sacc. The most important aspect of the study was the evaluation of fungicides, including Carbendazim 12%+ Mancozeb 63% WP, azoxystrobin 18.2%+ difenoconazole in three different concentrations to manage anthracnose under field conditions in 2020–2021 and 2021–2022, along with CIB recommended check metiram 55%+ pyraclostrobin 5% WG. According to the findings, treatment T3 carbandazim 12% + mancozeb 63% 75 WP, 0.133%, had the lowest disease intensity of 11.84 and the highest disease control of 70.72, followed by T6 azoxystrobin 18% + difenoconazole 11.4% SC, 0.133% (17.43 DI), T7 (metiram 55%) + pyraclostrobin 5% WG, 0.30% (20.15 DI), and T2 (20.92 DI). Treatments T1 (carbendazim 12%+ mancozeb 63% WP, 0.066%), T4 (azoxystrobin 18.2% + difenoconazole 11.4% SC, 0.066%), and T5 (azoxystrobin 18.2%+ difenoconazole 11.4% SC, 0.010%) all achieved parity with disease control of 26.80, 27.49, and 28.08, respectively. The maximum illness intensity in the control group was 40.44.

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Control ofColletotrichum truncatumcausing anthracnose/pod blight of soybean by aqueous leaf extracts and biocontrol agents

Cited by 6 publications

References 2 publications

Diseases of Edible Oilseed Crops

Diseases of Edible Oilseed Crops

Incidence of leaf blight disease of Egusi melon in South-west Nigeria

Management of anthracnose (Vigna radiata (L.) Wilczek] caused by Colletotricum gleosporiodes (Penz.) Penz. & Sacc.) disease in green gram through ready-mix fungicides under field conditions

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