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Bio efficacy of bio agents
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The experiment was conducted at the research plot of the Department of Plant Pathology, SHUATS, Prayagraj, U.P. during the kharif season of 2019-2020with RBD having nine treatments replicated thrice to evaluate the efficacy of some botanical extract and bio agents for the management of groundnut tikka leaf spot disease.
9p
chauchaungayxua12
29-07-2021
7
1
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In chilli (Capsicum annuum L.) several diseases are caused from fungal, bacterial and viral origin. Among the fungal diseases, damping off caused by species of Pythium is very common in the nursery which causes about 90 per cent mortality in nurseries and fields. Present experiment was carried out in in-vitro and in-situ conditions at Department of Plant Pathology, SHUATS in Completely Randomized Design with eight treatments and three replications each.
9p
chauchaungayxua12
29-07-2021
9
2
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An experiment was conducted during Kharif season of 2017-2018 at the Central Research Farm of Sam Higginbottom University of Agriculture Technology and Sciences, to evaluate the efficacy of bio-agents and botanical extracts against anthracnose (Colletotrichum lindemuthianum) of black gram (Vigna mungo L.) both in vitro and in vivo. In vitro studies showed significant difference in the inhibition per cent of mycelial growth of the pathogen among all the treatments.
8p
chauchaungayxua12
29-07-2021
15
1
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Fusarium wilt has become a serious problem in recent years in all chilli growing irrigated tracts of India. Wilt of chilli (Capsicum annuum) caused by Fusarium oxysporum f.sp. capsici. In present investigation bio-agents, botanicals and fungicide were evaluated in-vitro and in vivo condition against Fusarium oxysporum.
11p
chauchaungayxua12
29-07-2021
7
1
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An experiment was conducted at two locations at Navsari and Waghai for studying the efficacy of bioagents for management of sorghum grain mold. Six different treatments were studied among which four biological control agents along with control (water spray) and absolute control (no spray) were sprayed three times each at interval of 15 days from the date of commencement of flowering.
6p
cothumenhmong11
11-05-2021
11
1
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Wilt caused by Fusarium oxysporum f. sp. ricini poses a major problem in all the castor growing areas of the country. Since the soil borne disease can be effectively controlled by biocontrol agents, the present study was conducted to know the antagonistic activity of different bioagents in vitro at department of Plant Pathology, College of Agriculture, UAS, GKVK, Bengaluru during 2019-20.
8p
caygaocaolon11
21-04-2021
19
1
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Fusarium wilt is a soil-borne disease, which negatively affects the lentil crop widespread in India and affecting the lentil crop productivity. So the present study was conducted to evaluate the efficacy of bioagents against wilt pathogen Fusarium oxysporum f.sp.lentis of lentil crop through antagonistic activity. Rhizospheric strains were isolated from wilt affected lentil plant in different regions of Eastern UP like Faizabad, Mau, Varanasi, Ghazipur. A total of 20 bacterial strains were isolated and tested for antagonistic activity by co-culture m
11p
chauchaungayxua10
19-03-2021
16
2
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The present experiment with different isolates of Azotobacter sp. was carried out to find out effective isolate for plant growth promoting activities and biological control. In case of in vitro screening for plant growth promoting efficacy, it was found that chilli seeds bacterized with AZT8 exhibited the highest per cent seed germination (98%) which was followed by AZT6 (86 %) and AZT4 (81%).
7p
nguaconbaynhay10
22-01-2021
18
2
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This paper present study was conducted to investigate different efficacy rate of bacterial and fungal bio-agents. The best bioagents obtained could be potentially used to control castor wilt.
10p
cothumenhmong9
18-01-2021
11
2
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The present study is carried out to evaluate non- systemic fungicides and systemic and some bio-control agents against the disease and the results are presented herein.
8p
cothumenhmong9
18-01-2021
14
2
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Root-knot nematode caused by Meloidogyne incognita is the major constraints in production of tomato and other solanaceous crops. Nematode diseases have been controlled more recently by means of certain beneficial bacteria that are indigenous to the rhizosphere of plants. Among the PGPR, Bacillus spp. is very important bio-agent that has several benefits compared to other rhizobacteria. Biological control is free from residual and adverse environmental effects.
7p
cothumenhmong9
18-01-2021
11
2
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In this study, we used an integrative approach of different amendments including micronutrients, chemicals and biological and their combinations for reduction in Sclerotinia rot disease incidence in oilseed Brassica.
7p
gaocaolon9
22-12-2020
10
2
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In this study, two bio-control agents, Trichoderma viride and Pseudomonas fluorescens were assessed for their ability to reduce the growth of M. phaseolina under laboratory conditions. It was found that among the antagonists tested, Trichoderma exhibited strong inhibition (77.77%) against M. phaseolina.
7p
gaocaolon9
22-12-2020
11
2
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The antagonistic efficacy of five different bio-agents viz., Trichoderma viride, Trichoderma harzianum, Trichoderma longibrachiatum, Pseudomonas fluorescens and Bacillus subtilis was tested against 25 isolates of Macrophomina phaseolina causing castor root rot by dual culture techniques under in vitro conditions.
5p
trinhthamhodang9
16-12-2020
11
2
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Sesame (Sesamum indicum L.) is aprimitive oilseed crops cultivated in semi-arid Tropics and sub tropics regions in India. Macrophomina phaseolina a soil borne fungus cause root and stem rot in sesame crop and pathogen attacks plant at all growth stages. Due to soil borne nature practically no effective field control and no source of resistant is available. A field experiment was conducted with twenty cultivars of sesame during kharif sesame 2017.
7p
trinhthamhodang1216
19-11-2020
10
1
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In vitro evaluation of three contact and five systemic and two combination was carried out under laboratory condition in 2018-19 at Department of Plant Pathology, College of Horticulture, Mysuru by using Potato Dextrose Agar medium (PDA) as basal medium and six biocontrol agents were evaluated through dual culture technique. The result revealed that, there was significant difference among the fungicides in inhibiting the radial growth of the A. solani.
7p
trinhthamhodang1216
19-11-2020
13
1
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The environmental pollution and risk of resistance development in the pathogen by the use of chemical pesticide makes necessary to use biological agents. However the major limitations to utilize biological agents are the inconsistency, unreliable efficacy and short shelf life of the living entities used in the formulation. In this context an experiment was conducted to formulate four bacterial bio-agents viz., Bacillus subtilis-KK-9A, Brevibacillus borstelensis-BK-6, Brevibacillus sp-PM-2A and Lysinibacillus xylanilyticusVK-6B and consortium of them.
9p
angicungduoc8
07-11-2020
13
2
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Studies were conducted to know the efficacy plant extracts and bio-agents against Alternaria leaf spot of blond psyllium/isabgol (Plantago ovata Forssk.) caused by Alternaria alternata which has become an severe problem in isabgol growing areas of Rajasthan.
6p
angicungduoc8
07-11-2020
9
1
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Mycoparasitism by Trichoderma sp. is one of the important modes of action exhibited by biocontrol agents against host fungi including plant pathogenic ones. Its study in-vitro constitutes considerable importance while studying bio-efficacy of an antagonist against a fungal pathogen. At present there is no standard, rapid, easy and reliable method to study mycelial interaction between a possible mycoparasitic fungi and host.
5p
angicungduoc8
07-11-2020
6
1
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Biological control is considered as new efficient method that becomes widely used for controlling plant parasitic nematodes, as aim to decrease the extent of environment degradation and the effect of the excessive toxic nematicides. So, this study was done to investigate the role of some bacterial genera as biocontrol agent against Meloidogyne incognita.
5p
nguathienthan8
20-10-2020
10
1
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