Invitro evaluation of botanicals

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Potential of botanicals and biocontrol agents against rhizoctonia solani kühn incitant of web blight disease of mung bean: An invitro evaluation

For this study, disease infected leaf samples were collected from pulse pathology block situated at Normon E. Borlaug Crop Research Centre, Pantnagar based on cultural, morphological and disease potential studies and then evaluated the pathogen against five botanicals viz. Calotropis, Ocimum, Aloevera, Neem and Bael at 5, 15, 25 and 35 per cent concentration through poison food technique and two bioagents viz.

10p nguaconbaynhay7 15-08-2020 31 1 Download

Invitro evaluation of fungicides, botanicals and bioagents against Colletotrichum truncatum

Soybean [Glycine max (L.) Merrill.] is an important oilseed crop. Colletotrichum truncatum, the incitant of anthracnose/ pod blight in soybean is one of the most destructive pathogens. Eight fungicides (@ 500, 1000, 1500, 2000 and 2500ppm each), 10 botanicals@ 10% and four bioagents were evaluated in vitro against C. truncatum, using PDA as basal medium. The results revealed that all the fungicides, botanicals and bioagents tested were found fungistatic and significantly inhibited the mycelial growth of the test pathogen over untreated control.

6p nguaconbaynhay7 15-08-2020 18 1 Download

Invitro evaluation of botanicals and ITKs against septoria lycopersici causing septoria leaf spot of tomato

Tomato (Solanum lycopersicum L.) is one of the commercially important major vegetable crops grown throughout the tropics and subtropics. Septoria leaf spot caused by Septoria lycopersici Speg. is one of the most destructive diseases of tomato and is particularly severe in areas where wet, humid weather persists for extended periods.

9p angicungduoc6 22-07-2020 18 1 Download
In vitro effect of bio- control agents and selected botanical against root rot (Rhizoctonia solani Kuhn) of Chilli (Capsicum annuum L.)

To manage the disease an investigation at the Department of Plant Pathology, SHIATS-DU, Allahabad was carried out to evaluate the effect of bio-agents viz. Trichoderma viride @ 2%, Pseudomonas fluorescens @ 2%, T. harzianum @ 2%, botanical viz. neem leaf extract @ 5%, neem oil @ 5% and fungicide viz. carbendazim @ 0.2% against R. solani under invitro condition by dual culture and poisoned food technique. All the bioagents and botanical were evaluated singly. All the treatments significantly inhibited the mycelial growth of R. solani as compared to untreated check.

5p chauchaungayxua6 26-06-2020 11 2 Download