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Mausam,Region BV | Ray P.K.,Region BV | Dey A.,Region BV | Mohanty S.,Region BV | And 4 more authors.
Journal of Pure and Applied Microbiology | Year: 2016

The aim of this study was to know the prevalence of Staphylococcus aureus in bovine milk samples and to evaluate the occurrence of methicillin-resistant Staphylococcus aureus (MRSA) among S. aureus isolates. A total of 150 bovine milk samples were analysed which showed the prevalence of S. aureus in 56.67% of samples. The mecA gene detection by PCR among S. aureus revealed the distribution of MRSA in 29.33% of bovine milk samples. Antibiotic sensitivity pattern reveals that 86.36 and 95.45 percent MRSA isolates were resistant to penicillin and ampicillin respectively, whereas 80.49 and 87.80 percent non-MRSA isolates were found to be resistant to penicillin and ampicillin antibiotics respectively.


Mukherjee J.,Indian Agricultural Research Institute | Singh S.S.,Indian Institute of Pulses Research | Kumar S.,Region BV | Idris M.,Region BV
Journal of Agrometeorology | Year: 2015

Elevated CO2 increases the C3 photosynthetic rate at the cellular level through increased carboxylation and decreased oxygenation, both of which are catalyzed by Rubisco. The study was conducted in the experimental farm of ICAR Research Complex for Eastern Region, Patna (Lat. 25°35’37" N, Long. 85°05’ E and altitude 51.8 m amsl) under open top chamber (OTC). The circular structure of OTCs were made with an aluminum frame covered with UV-treated poly carbonate sheet, which transmits 85% of natural sunlight. The higher grain yields in wheat crop under elevated CO2 were primarily due to their greater biomass production capacity and not due to a greater fraction of total biomass being partitioned to grains. The percentage of filled grains also was significantly greater in the elevated treatment. Harvest index (HI) differed significantly between the elevated and ambient treatments in both the years. However, HI of the open treatment was significantly lower than the other two. Seed yields under elevated CO2 were greater than the ambient and open field treatment. © 2015, Association of Agrometeorologists. All rights reserved.


Joydeep M.,Punjab Agricultural University | Joydeep M.,Region BV | Bal S.K.,Punjab Agricultural University | Singh G.,Punjab Agricultural University | And 3 more authors.
Journal of Agrometeorology | Year: 2012

The surface energy fluxes were measured over irrigated wheat during winter season. 2008-09 and 2009-10 sown on first week of November. Study revealed that the net radiation flux (Rn) varied from 420 to 693 was during 2008-09 and 328 to 926 W m-2 during 2009-10 in different growth stages. The soil heat flux was higher during initial and senescence growth stages (13 to 15% of net radiations) as compared to peak crop growth stages (6 to 9% of net radiations). The latent heat flux showed apparent correspondence with the growth which varied from 247 to 387 W m-2 during 2008-09 and 209 to 569 W m-2 during 2009-10 in different growth stages. Study revealed that LAI was positively related with intercepted photosynthetically active radiation (IPAR).


Singh A.K.,Region BV | Bhatt B.P.,Region BV | Manibhushan,Region BV
Journal of Environmental Biology | Year: 2013

Faba bean (Vicia faba) plants showed symptoms of shoe stringed leaves, phyllody and flower abortion in experimental field. The first symptoms consisted of phyllody mild yellowing, vein clearing and slightly inward folding of newly formed leaves in the apical region of the plant. The disease was characterized by a series of floral abnormalities including virescence, phyllody and proliferation of sprouts together with other abnormalities, such as loss of apical dominance, vivipary and enhanced vegetative growth. Ambient temperature found to be contributing positively on disease development. Under climate change condition there may be every possible chance for speedy spread of this very economic important disease to the earlier not known regions. © Triveni Enterprises, Lucknow (India).


Singh S.S.,Region BV | Mukherjee J.,Region BV | Kumar S.,Region BV | Idris M.,Region BV
Journal of Agrometeorology | Year: 2013

This study was conducted during 2011 and 2012 at the experimental farm of ICAR Research Complex for Eastern Region, Patna, India in Open top chamber (OTC) as well as in open field condition. Four rice genotypes (Local/Indigenous: Rajshree, promising HYV of state: Rajendra Bhagwati, promising HYV of eastern region: Swarna sub 1 and ruling variety in state: MTU 7029) were used for the study. The 1 hr averages of CO2in the elevated CO2 OTC ranged between 455 and 510 ppm with a mean of 482 ppm and a standard deviation (S.D.) of 12.7ppm. LAI of the elevated CO2 treatment was significantly (p<0.05) greater than the control OTC and open field at all times in both kharif seasons. The higher grain yields in rice crops under elevated CO2 were primarily due to their greater biomass production capacity and not due to a greater fraction of total biomass being partitioned to grains. The greater biomass under elevated CO2 was brought about by an increase in RUE, during both pre- and post-anthesis periods. In both the years, rice growing under elevated CO2 had significantly greater grain numbers and grain yields than under ambient CO2 and open field conditions, which did not differ significantly. The percentage of filled grains also was significantly greater in the elevated treatment.


PubMed | Region BV
Type: Journal Article | Journal: Journal of environmental biology | Year: 2014

Faba bean (Vicio faba) plants showed symptoms of shoe stringed leaves, phyllody and flower abortion in experimental field. The first symptoms consisted of phyllody mild yellowing, vein clearing and slightly inward folding of newly formed leaves in the apical region of the plant. The disease was characterized by a series of floral abnormalities including virescence, phyllody and proliferation of sprouts together with other abnormalities, such as loss of apical dominance, vivipary and enhanced vegetative growth. Ambient temperature found to be contributing positively on disease development. Under climate change condition there may be every possible chance for speedy spread of this very economic important disease to the earlier not known regions.


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