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Article: Host –mediated effects of elevated CO2 on the performance of Spodoptera litura Hub. Feeding on sunflower (Helianthus annuus L.)

Manimanjari, D. / Rao, M. Srinivasa

Phytoparasitica. 2022 Apr., v. 50, no. 2

2022

Abstract: Increase in atmospheric CO₂ concentration expected in the near and distant future climate change scenario because of increasing emissions will change the quality of plant foliage which in turn effect the growth and development of herbivore insects. ... ...

Abstract	Increase in atmospheric CO₂ concentration expected in the near and distant future climate change scenario because of increasing emissions will change the quality of plant foliage which in turn effect the growth and development of herbivore insects. Feeding trials of Spodoptera litura Hub. for four successive generations were conducted by using the foliage of sunflower crop plants grown at four CO₂ concentrations, 550±25 ppm (eCO₂I), 700±25 ppm CO₂ (eCO₂II) and ambient CO₂ (aCO₂C), along with open field considered as 380±25 ppm (aCO₂O). CO₂ enrichment altered the biochemical constituents in sunflower foliage at both 30 & 60 days after sowing (DAS) and had lower nitrogen (20-23 %), protein (12-13 %) and aminoacid contents (15-25 %) with increased carbon (18-21 %) C: N ratio (59-65 %), carbohydrates (16-18 %) and tannins (22-25 %) compared to ambient CO₂. The total consumption of sunflower foliage by S. litura larvae was significantly higher (15-62 %) with increased larval weights (5-17 %), lower relative growth rate (12-18 %) and lower food conversion efficiencies (21-34 %) at both levels of eCO₂ over ambient during four successive generations. Biochemical midgut analysis of S. litura larvae fed on sunflower foliage of eCO₂ levels indicated the lower esterase activity, proteins and aminoacids over ambient. Strong association was noted between biochemical constituents of sunflower foliage and insect parameters at two levels of eCO₂. The findings corroborate the host-mediated effect of eCO₂ on growth and development of S. litura on sunflower and imply that the pest activity may likely increase in future climate change scenario.
Keywords	Helianthus annuus ; Spodoptera litura ; amino acids ; carbon ; carbon dioxide ; carbon dioxide enrichment ; climate change ; esterases ; food conversion ; leaves ; midgut ; nitrogen ; pests
Language	English
Dates of publication	2022-04
Size	p. 319-333.
Publishing place	Springer Netherlands
Document type	Article
ZDB-ID	188372-0
ISSN	1876-7184 ; 0334-2123
ISSN (online)	1876-7184
ISSN	0334-2123
DOI	10.1007/s12600-021-00964-2
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Article: Evaluation of Persistent Toxicity of Insecticides against Spodoptera litura on Sunflower at Elevated CO₂ and Temperature Conditions

Deekshita, K / Krishnayya, PV / Rao, M Srinivasa / Patibanda, AK / Umar, Sk Nafeez

Pesticide research journal. 2022 June, v. 34, no. 1

2022

Abstract: Insecticides with different mode of actions viz., spinosad, emamectin benzoate, thiodicarb, monocrotophos and fenvalerate were applied at LC₅₀ and field recommended concentrations (FRC) to study the persistence of insecticides under elevated CO₂ (550 ± ... ...

Abstract	Insecticides with different mode of actions viz., spinosad, emamectin benzoate, thiodicarb, monocrotophos and fenvalerate were applied at LC₅₀ and field recommended concentrations (FRC) to study the persistence of insecticides under elevated CO₂ (550 ± 25 ppm) and temperatures (28, 29, 31, 33 and 35ºC). These insecticides often caused significantly higher mortalities at 28ºC than at 35ºC. The mean per cent corrected mortality, persistence in days and persistent toxicity values decreased for all insecticides with increase in temperatures at both levels of CO₂ and corresponding temperatures. Among the five insecticides, emamectin benzoate (13 days) and spinosad (12 days) persisted for longer periods with highest mean per cent corrected mortality (58.1 and 56.3) with PT values of 749.5 and 675.0, respectively. The next in order were thiodicarb, monocrotophos and fenvalerate.
Keywords	Helianthus annuus ; Spodoptera litura ; carbon dioxide ; fenvalerate ; monocrotophos ; mortality ; research ; spinosad ; temperature ; thiodicarb ; toxicity
Language	English
Dates of publication	2022-06
Size	p. 97-103.
Publishing place	Society of Pesticide Science India
Document type	Article
ISSN	2249-524X
DOI	10.5958/2249-524X.2022.00017.6
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Comparative transcriptome profiling of high and low oil yielding Santalum album L.

Fatima, Tanzeem / Krishnan, Rangachari / Srivastava, Ashutosh / Hanur, Vageeshbabu S / Rao, M Srinivasa

PloS one

2022 Volume 17, Issue 4, Page(s) e0252173

Abstract: East Indian Sandalwood (Santalum album L.) is highly valued for its heartwood and its oil. There have been no efforts to comparative study of high and low oil yielding genetically identical sandalwood trees grown in similar climatic condition. Thus we ... ...

Abstract	East Indian Sandalwood (Santalum album L.) is highly valued for its heartwood and its oil. There have been no efforts to comparative study of high and low oil yielding genetically identical sandalwood trees grown in similar climatic condition. Thus we intend to study a genome wide transcriptome analysis to identify the corresponding genes involved in high oil biosynthesis in S. album. In this study, 15 years old S. album (SaSHc and SaSLc) genotypes were targeted for analysis to understand the contribution of genetic background on high oil biosynthesis in S. album. A total of 28,959187 and 25,598869 raw PE reads were generated by the Illumina sequencing. 2.12 million and 1.811 million coding sequences were obtained in respective accessions. Based on the GO terms, functional classification of the CDS 21262, & 18113 were assigned into 26 functional groups of three GO categories; (4,168; 3,641) for biological process (5,758;4,971) cellular component and (5,108;4,441) for molecular functions. Total 41,900 and 36,571 genes were functionally annotated and KEGG pathways of the DEGs resulted 213 metabolic pathways. In this, 14 pathways were involved in secondary metabolites biosynthesis pathway in S. album. Among 237 cytochrome families, nine groups of cytochromes were participated in high oil biosynthesis. 16,665 differentially expressed genes were commonly detected in both the accessions (SaHc and SaSLc). The results showed that 784 genes were upregulated and 339 genes were downregulated in SaHc whilst 635 upregulated 299 downregulated in SaSLc S. album. RNA-Seq results were further validated by quantitative RT-PCR. Maximum Blast hits were found to be against Vitis vinifera. From this study, we have identified additional number of cytochrome family in high oil yielding sandalwood accessions (SaHc). The accessibility of a RNA-Seq for high oil yielding sandalwood accessions will have broader associations for the conservation and selection of superior elite samples/populations for further genetic improvement program.
MeSH term(s)	Adolescent ; Cytochromes/metabolism ; Gene Expression Profiling ; Humans ; Oils, Volatile/metabolism ; Santalum/genetics ; Santalum/metabolism ; Sesquiterpenes/metabolism
Chemical Substances	Cytochromes ; Oils, Volatile ; Sesquiterpenes
Language	English
Publishing date	2022-04-28
Publishing country	United States
Document type	Comparative Study ; Journal Article
ZDB-ID	2267670-3
ISSN	1932-6203 ; 1932-6203
ISSN (online)	1932-6203
ISSN	1932-6203
DOI	10.1371/journal.pone.0252173
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Article ; Online: Do rainfed production systems have lower environmental impact over irrigated production systems?: On -farm mitigation strategies.

Pratibha, G / Srinivas, I / Raju, B M K / Suvana, S / Rao, K V / Rao, M Srinivasa / Jha, Anamika / Anna, Shivakumar / Prabhakar, M / Singh, V K / Islam, Adlul / Singh, Rajbir / Choudhary, S K

The Science of the total environment

2024 Volume 917, Page(s) 170190

Abstract: The intensive agriculture practices improved the crop productivity but escalated energy inputs (EI) and carbon foot print (CF) which contributes to global warming. Hence designing productive, profitable crop management practices under different ... ...

Abstract	The intensive agriculture practices improved the crop productivity but escalated energy inputs (EI) and carbon foot print (CF) which contributes to global warming. Hence designing productive, profitable crop management practices under different production systems with low environmental impact (EI and CF) is the need of the hour. To identify the practices, quantification of baseline emissions and the major sources of emissions are required. Indian agriculture has diversified crops and production systems but there is dearth of information on both EI and CF of these production systems and crops. Hence the present study was an attempt to find hot spots and identify suitable strategies with high productivity, energy use efficiency (EUE) and carbon use efficiency (CUE). Energy and carbon balance of castor, cotton, chickpea, groundnut, maize, rice (both rainfed and irrigated), wheat, sugarcane (only irrigated), pigeon pea, soybean, sorghum, pearl millet (only rainfed) in different production systems was assessed. Field specific data on different crop management practices as well as grain and biomass yields were considered. Rainfed production systems had lower EI and CF than irrigated system. The nonrenewable sources of energy like fertilizer (64 %), irrigation (78 %), diesel fuel (75 %) and electricity (67 %) are the major source of energy input. Rainfed crops recorded higher CUE over irrigated condition. Adoption of technologies like efficient irrigation strategies (micro irrigation), enhancing fertilizer use efficiency (site specific nutrient management or slow release fertilizer), conservation agriculture (conservation or reduced tillage) rice cultivation methods (SRI or Direct seeded rice) were the mitigation strategies. These results will help policy makers and stake holders in adoption of suitable strategies for sustainable intensification.
Language	English
Publishing date	2024-01-24
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2024.170190
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Article: Effect of Amlodipine in Stroke and Myocardial infarction: A Systematic Review and Meta-analysis.

Iyengar, Shamanna S / Mohan, Jagdish Chander / Ray, Saumitra / Rao, M Srinivasa / Khan, Mohammed Yunus / Patted, Usha Rani H / Gaurav, Kumar

Cardiology and therapy

2021 Volume 10, Issue 2, Page(s) 429–444

Abstract: Introduction: Hypertension is a progressive cardiovascular condition arising from complex aetiologies. Progression is strongly associated with functional and structural abnormalities that lead to multi-organ dysfunction. Stroke and myocardial infarction ...

Abstract	Introduction: Hypertension is a progressive cardiovascular condition arising from complex aetiologies. Progression is strongly associated with functional and structural abnormalities that lead to multi-organ dysfunction. Stroke and myocardial infarction are two of the major complications of hypertension in India. Various anti-hypertensive drugs, such as calcium channel blockers (CCBs), beta-blockers, diuretics, angiotensin-converting enzyme inhibitors and angiotensin receptor blockers, have been the medications of choice for disease management and are known to be effective in reducing the complications of hypertension. CCBs, such as amlodipine, are also currently being used and proven to be effective, although their beneficial effects in the management of complications of hypertension like stroke and myocardial infarction (MI) have yet to be proven. Therefore, the aim of this systematic review was to evaluate the effect of amlodipine on stroke and MI in hypertensive patients. Methods: A systematic search of English electronic databases was performed for studies with sufficient statistical power that were published between 2000 andl 30 August 2020, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) criteria. A total of 676 papers were screened, and 13 were found eligible to be included in the meta-analysis. Studies that included patients who suffered from MI or stroke and were under amlodipine treatment were included in the analysis. The odds ratio and the risk ratio of amlodipine compared to active control/placebo were noted from the studies and statistically analyzed. Results: Amlodipine had a significant effect in reducing stroke and MI in hypertensive patients. Similar to results published in reports, this systematic review proved that the hazard ratio for amlodipine was < 1 for stroke (0.69-1.04) and MI (0.77-0.98), showing that amlodipine accounted for better prevention of stroke and MI. Conclusion: In the pooled analysis of data from 12 randomised controlled trials and one double-blinded cohort study measuring the effect of CCBs, we found that the CCB amlodipine reduced the risk of stroke and MI in hypertensive patients. Superior results for amlodipine were found in ten of the 13 studies included in this meta-analysis.
Language	English
Publishing date	2021-09-04
Publishing country	England
Document type	Journal Article ; Review
ZDB-ID	2700626-8
ISSN	2193-6544 ; 2193-8261
ISSN (online)	2193-6544
ISSN	2193-8261
DOI	10.1007/s40119-021-00239-1
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Article: Assessment of morphological and genetic variability through genic microsatellite markers for essential oil in Sandalwood (

Fatima, Tanzeem / Srivastava, Ashutosh / Somashekar, P V / Hanur, Vageeshbabu S / Rao, M Srinivasa / Bisht, Surendra Singh

3 Biotech

2019 Volume 9, Issue 7, Page(s) 252

Abstract: Sandalwood ( ...

Abstract	Sandalwood (
Language	English
Publishing date	2019-06-07
Publishing country	Germany
Document type	Journal Article
ZDB-ID	2600522-0
ISSN	2190-5738 ; 2190-572X
ISSN (online)	2190-5738
ISSN	2190-572X
DOI	10.1007/s13205-019-1758-9
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Article: Interactive effects of temperature and CO2 on efficacy of insecticides against Spodoptera litura Fab. in a global warming context

Rao, M. Srinivasa / Sreelakshmi, P / Deekshita, K / Vanaja, M / Srinivas, I / Maheswari, M / Srinivas, K / Reddy, K. Sammi / Bhaskar, S / Chary, G. Ravindra

Phytoparasitica. 2021 July, v. 49, no. 3

2021

Abstract: Influence of two dimensions of climate change i.e., elevated temperature (eTemp) and elevated CO₂ (eCO₂) on toxicity of insecticides against Spodoptera litura Fab. on peanut using CO₂ Temperature Gradient Chambers (CTGC) facility was investigated. The ... ...

Abstract	Influence of two dimensions of climate change i.e., elevated temperature (eTemp) and elevated CO₂ (eCO₂) on toxicity of insecticides against Spodoptera litura Fab. on peanut using CO₂ Temperature Gradient Chambers (CTGC) facility was investigated. The insecticides viz., diamides (flubendiamide), avermectins (emamectin benzoate), organophosphates (quinalphos), spinosyns (spinosad) and synthetic pyrethroids (deltamethrin) were tested for their efficacy and persistence toxicity (PT) at eTemp and eCO₂. The twelve set conditions comprising of reference (28 ± 0.5 °C; 380 ppm), eTemp (29, 30, 31, 32, 34 ± 0.5 ᵒC with 380 ppm CO₂), eCO₂ (28 ± 0.5 ᵒC; 550 ppm) and eTemp+eCO₂ (29, 30, 31, 32, 34 ± 0.5 ᵒc with 550 ppm CO₂) were maintained in CTGC. Interactive effects of eCO₂ and eTemp caused the higher LC₅₀ values of spinosad and deltamethrin with negative temperature coefficients and showed the ‘reduction of toxicity’. Lower LC₅₀ values and positive temperature coefficients for flubendiamide (6.67), emamectin benzoate (7.38) and quinalphos (3.04) were recorded, indicating the ‘higher toxicity’ at interactive eCO₂ and eTemp. The order in PT of insecticides was deltamethrin<quinalphos<flubendiamide< emamectin benzoate< spinosad and these insecticides persisted for shorter period at eTemp + eCO₂ conditions over reference. Present results indicate the negative impact of eTemp and eCO₂ on efficacy of spinosad and deltamethrin necessitating their higher requirement than was needed to achieve equal control at reference/ambient temperature and CO₂.<br />
Keywords	Spodoptera litura ; ambient temperature ; avermectins ; carbon dioxide ; deltamethrin ; flubendiamide ; peanuts ; pyrethrins ; quinalphos ; spinosad ; toxicity
Language	English
Dates of publication	2021-07
Size	p. 417-431.
Publishing place	Springer Netherlands
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	188372-0
ISSN	1876-7184 ; 0334-2123
ISSN (online)	1876-7184
ISSN	0334-2123
DOI	10.1007/s12600-020-00854-z
Database	NAL-Catalogue (AGRICOLA)

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Article: Soil bacterial community structure and functioning in a long-term conservation agriculture experiment under semi-arid rainfed production system.

Pratibha, G / Manjunath, M / Raju, B M K / Srinivas, I / Rao, K V / Shanker, Arun K / Prasad, J V N S / Rao, M Srinivasa / Kundu, Sumanta / Indoria, A K / Kumar, Upendra / Rao, K Srinivasa / Anna, Shivakumar / Rao, Ch Srinivasa / Singh, V K / Biswas, A K / Chaudhari, S K

Frontiers in microbiology

2023 Volume 14, Page(s) 1102682

Abstract: Soil microbial communities are important drivers of biogeochemical cycling of nutrients, organic matter decomposition, soil organic carbon, and Greenhouse gas emissions (GHGs: ... ...

Abstract	Soil microbial communities are important drivers of biogeochemical cycling of nutrients, organic matter decomposition, soil organic carbon, and Greenhouse gas emissions (GHGs: CO
Language	English
Publishing date	2023-06-15
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2587354-4
ISSN	1664-302X
ISSN	1664-302X
DOI	10.3389/fmicb.2023.1102682
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Article: Assessment of morphological and genetic variability through genic microsatellite markers for essential oil in Sandalwood (Santalum album L.)

Fatima, Tanzeem / Srivastava, Ashutosh / Somashekar, P. V / Hanur, Vageeshbabu S / Rao, M. Srinivasa / Bisht, Surendra Singh

3 Biotech. 2019 July, v. 9, no. 7

2019

Abstract: Sandalwood (Santalum album L; family Santalaceae) is a highly significant aromatic oil yielding tree. It is valued for two important traits, heartwood and essential oil obtained from the heartwood. This study was proposed to assess the morphological and ... ...

Abstract	Sandalwood (Santalum album L; family Santalaceae) is a highly significant aromatic oil yielding tree. It is valued for two important traits, heartwood and essential oil obtained from the heartwood. This study was proposed to assess the morphological and genetic variability of sandalwood accessions. For this, genotypes were randomly selected (n = 177) from the 14 populations from three states in southern India. The total heartwood oil content and quality was estimated by UV method and GC–MS. Total 14 oil-specific genic SSR markers were procured to evaluate the genetic diversity among the sandalwood accessions. Total core size, heartwood content, and oil of S. album ranged from 4.4 to 19.1 cm; 0.0 to 17.3 cm; and 0.0 to 5.96% with covariance 27.61, 85.25, and 73.12% followed by mean 9.74, 3.77, and 2.71, respectively. Genetic diversity estimates were highly polymorphic in terms of Na 7.28, Ne 5.89, He 8.0 PIC 0.891, with little Ho, and F-0.922. AMOVA revealed that minimal genetic variation among populations and highest variation was found among individuals with Nm (58.4). The UPGMA reveals the cluster favored the grouping pattern by the PCA analysis. Structure and PCA analysis clustered the entire populations into two major groups with FST 0.046 in which population of Kerala and Karnataka were pure and Telangana accessions were found admixtures. No significant correlation (r2 = 0.23, P = 0.00) was observed between heartwood oil and genetic structures. A high degree of transferability of genic markers would facilitate the assessment of novel genotypes for future tree improvement and conservation of Sandalwood populations.
Keywords	Santalum album ; covariance ; essential oils ; gas chromatography-mass spectrometry ; genetic markers ; genetic variation ; genotype ; heartwood ; lipid content ; microsatellite repeats ; oils ; plant improvement ; sodium ; India
Language	English
Dates of publication	2019-07
Size	p. 252.
Publishing place	Springer International Publishing
Document type	Article
ZDB-ID	2600522-0
ISSN	2190-5738 ; 2190-572X
ISSN (online)	2190-5738
ISSN	2190-572X
DOI	10.1007/s13205-019-1758-9
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Reliability analysis of repairable systems using system dynamics modeling and simulation

Rao, M. Srinivasa / Naikan, V.N.A

Journal of industrial engineering international Vol. 10 , p. 1-10

2014 Volume 10, Page(s) 1–10

Abstract: Repairable standby system’s study and analysis is an important topic in reliability. Analytical techniques become very complicated and unrealistic especially for modern complex systems. There have been attempts in the literature to evolve more realistic ... ...

Author's details	M. Srinivasa Rao, V. N. A. Naikan
Abstract	Repairable standby system’s study and analysis is an important topic in reliability. Analytical techniques become very complicated and unrealistic especially for modern complex systems. There have been attempts in the literature to evolve more realistic techniques using simulation approach for reliability analysis of systems. This paper proposes a hybrid approach called as Markov system dynamics (MSD) approach which combines the Markov approach with system dynamics simulation approach for reliability analysis and to study the dynamic behavior of systems. This approach will have the advantages of both Markov as well as system dynamics methodologies. The proposed framework is illustrated for a standby system with repair. The results of the simulation when compared with that obtained by traditional Markov analysis clearly validate the MSD approach as an alternative approach for reliability analysis.
Keywords	Simulation approach ; Reliability analysis ; Dynamic implications of standby systems ; Markov system dynamics approach ; Complex systems
Language	Undetermined
Size	Online-Ressource
Publisher	SpringerOpen
Publishing place	Heidelberg
Document type	Article ; Online
ZDB-ID	2664907X ; 2664907-X
ISSN	2251-712X ; 1735-5702
ISSN (online)	2251-712X
ISSN	1735-5702
DOI	10.1007/s40092-014-0069-3
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