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Sclerotium rolfsii in vitro on collar rot
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Bacillus subtilis a gram positive, endospore forming bacteria play a major role in biocontrol and PGPR activities. Thirty isolates of B. subtilis were obtained from different rhizosphere soil samples from different parts of North Eastern Karnataka region. All the isolates were rod shaped, positive for gram reaction, endospore, oxidase, catalase, starch hydrolysis, negative for indole, KOH test and green coloured colonies were grown on Hichrome Bacillus agar medium.
6p
trinhthamhodang5
16-05-2020
12
1
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The present study was carried out to understand about the in vitro efficacy of some agrochemicals (Fungicides- difenconazole, propiconazole and hexaconazole, Herbicides - paraquat, glyphosate and pendimethalin and Insecticides - imidachloprid, fipronil and chlorpyriphos) with three different concentrations for each chemical on radial growth of the fungus.
6p
angicungduoc4
26-04-2020
7
1
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Sclerotium rolfsii is one of the most important soil-borne plant pathogen which cause severe loss at the time of seedling development. It also causes collar rot in several crops and wild plants. In this experiment, exposure of pathogen to different light period and pH in order to assess the mycelial growth and number of sclerotia of S. rolfsii was done. For the light experiment three plate continues dark, light and 12 hour interval.
7p
caygaocaolon2
11-03-2020
9
0
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Lentil (Lens culinaris Medik) is an important crop, the major states producing lentil are Madhya Pradesh, Uttar Pradesh, Bihar and Punjab. Lentil is an important component of farming systems in our country. It is one of the important and most nutritious rabi pulses. Vascular wilt causing by Fusarium oxysporum f.sp. lentis, Sclerotium rolfsii Sacc. causing collar rot and Sclerotinia sclerotiorum (Lib.) de Bary) causing stem rot, is most destructive soil borne diseases of lentil growing area worldwide. Use of chemicals continues to be major strategy to mitigate the menace of crop disease.
7p
chauchaungayxua3
07-02-2020
14
1
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