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Journal of Zhejiang University-Science b(biomedicine & biotechnology) 2009年第2期10卷 133-141页

作者： Ch Surendhar REDDY A. prasad bAbU b.p. mallikarjuna swamy K. KALADHAR N. SARLA biotechnology Laboratory Crop Improvement SectionDirectorate of Rice ResearchRajendranagar

Drought, flood, salinity, or a combination of these limits rice production. Several rice varieties are well known for their tolerance to specific abiotic stresses. We determined genetic relationship among 12 rice varieties including 9 tolerant to drought, flood, or salinity using inter-simple sequence repeat （ISSR） markers. based on all markers, the nine tolerant varieties formed one cluster distinct from the cluster of three control varieties. The salt-tolerant varieties were closest to two flood-tolerant varieties, and together they were distinct from the drought-tolerant varieties. （GA）8YG was the most informative primer, showing the highest polymorphic information content （pIC） and resolving power （Rp）. The drought-, flood-, and salt-tolerant varieties grouped in three distinct clusters within the group of tolerant varieties, when （GA）8YG was used. Sabita was the only exception. The two aus varieties, Nagina22 and FR13A, were separated and grouped with the drought- and flood-tolerant varieties, respectively, hut they were together in dendrograms based on other primers. The results show that ISSR markers associated with （GA）sYG delineated the three groups of stress-tolerant varieties from each other and can be used to identify genes/new alleles associated with the three abiotic stresses in rice germplasm.

关键词： Drought Submergence Salinity Inter-simple sequence repeat-polymerase chain reaction (ISSR-pCR) (GA)8YG Nagina22 (N22) FR13A pokkali

Genetic mapping of QTL for agronomic traits and grain mineral elements in rice

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Genetic mapping of QTL for agronomic traits and grain mineral elements in rice

The Crop Journal 2019年第4期

作者： Gwen Iris Descalsota-Empleo Amery Amparado Mary Ann Inabangan-Asilo Frances Tesoro James Stangoulis Russell Reinke b.p. mallikarjuna swamy Strategic Innovation platform，International Rice Research Institute (IRRI) Department of plant breeding and Genetics，College of Agriculture，University of Southern Mindanao College of Science and Engineering，Flinders University

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The Crop Journal 2019年第4期7卷 560-572页

作者： Gwen Iris Descalsota-Empleo Amery Amparado Mary Ann Inabangan-Asilo Frances Tesoro James Stangoulis Russell Reinke b.p.mallikarjuna swamy Strategic Innovation platform International Rice Research Institute (IRRI) Metro Manila 1226 Philippines Department of plant breeding and Genetics College of Agriculture University of Southern Mindanao Kabacan 9407 Cotabato Philippines College of Science and Engineering Flinders University Adelaide 5001 Australia

Malnutrition is one of the prevailing health problems worldwide, affecting a large proportion of the populations in rice-consuming countries. breeding rice varieties with increased concentrations of elements in the grain is considered the most cost-effective approach to alleviate malnutrition. Development of molecular markers for high grain concentrations of essential elements, particularly Zn, for use in marker-assisted selection (MAS) can hasten breeding efforts to develop rice varieties with nutrient-dense grain. We performed QTL mapping for four agronomic traits: days to 50% flowering, plant height, number of tillers, grain yield, and 13 grain elements: As, b, Ca, Co, Cu, Fe, K, Mg, Mn, Mo, Na, p, and Zn, in two doubled-haploid populations derived from the crosses IR64 × IR69428 and bR29 × IR75862. These populations were phenotyped during 2015DS and 2015WS at IRRI, Los ba os, The philippines, and genotyped them with a 6 K SNp chip. Inclusive composite interval mapping revealed 15 QTL for agronomic traits and 50 QTL for grain element concentration. Of these, eight QTL showed phenotypic variance of >25% and 11 QTL were consistent across seasons. There were seven QTL co-localization regions containing QTL for more than two traits. Twenty five epistatic interactions were detected for two agronomic traits and seven mineral elements. Several DH lines with high Fe and Zn in polished rice were identified. These lines can be used as donors for breeding high-Zn rice varieties. Some of the major QTL can be further validated and used in MAS to improve the concentrations of nutritive elements in rice grain.

关键词： Rice Quantitative trait loci biofortification Mineral elements DH Epistasis

Molecular Mapping of QTLs for Yield and Yield-Related Traits in Oryza sativa cv Swarna × O. nivara (IRGC81848) backcross population

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Rice science 2011年第3期18卷 178-186页

作者： b. p. mallikarjuna swamy K. KALADHAR M. S. RAMESHA b. C. VIRAKTAMATH N. SARLA Directorate of Rice Research Rajendranagar Hyderabad India - 500030 plant breeding Genetics and Biotechnology Division International Rice Research Institute DAPO Box 7777 Metro Manila Philippines

Advanced backcross QTL analysis was used to identify QTLs for seven yield and yield-related traits in a bC2F2 population from the cross between a popular Oryza sativa cv Swarna and O. nivara IRGC81848. Transgressive segregants with more than 15% increased effect over Swarna were observed for all the traits except days to heading and days to 50% flowering. Thirty QTLs were detected for seven yield and yield-related traits using interval and composite interval mapping. Enhancing alleles at 13 (45%) of these QTLs were derived from O. nivara, and enhancing alleles at all the QTLs for stem diameter and rachis diameter were derived from O. nivara. Three stem diameter QTLs, two rachis diameter QTLs and one number of secondary branches QTL identified by both Interval and composite interval mapping contributed more than 15% of the total phenotypic variance. The QTL epistasis was significant for stem diameter and plot yield. The most significant QTLs qSD7.2, qSD8.1 and qSD9.1 for stem diameter, qRD9.1 for rachis diameter and qNSb1.1 for number of secondary branches are good targets to evaluate their use in marker-assisted selection. O. nivara is a good source of novel alleles for yield related traits and reveals major effect QTLs suitable for marker-assisted selection.

关键词： Oryza sativa Oryza nivara stem diameter rachis diameter yield yield components quantitative trait locus

bank transaction data modeling by optimized hybrid machine learning merged with ARIMA

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Journal of Management Analytics 2020年第4期7卷 624-648页

作者： A.Kullaya swamy b.Sarojamma S.G.Govt.Degree&pG College PilerIndia Department of Statistics Sri Venkateswara UniversityTirupatiIndia

The bank transactions are needed to be modeled to predict the future transactions of the banks based on the previous *** order to achieve efficient modeling of bank data transactions,Deep belief Network(DbN)and Neural network(NN)classifiers are used in this ***,the bank transaction data such as transaction count and amount are subjected to feature extraction to extract the statistical ***,the extracted data are modeled using the combination of DbN and NN models,where the average modeled output from both the network is considered as the final *** above procedure is utilized for the two prediction models such as transaction count and transaction ***,the transaction count from prediction model 1 is subjected to the Auto-Regressive Integrated Moving Average(ARIMA)model to compute the relationship between the transition count and transition ***,as the main contribution,the number of hidden neurons in both DbN and NN are optimized or tuned accurately using the hybridized optimization models with Lion Algorithm(LA),and Artificial bee Colony(AbC)named L-AbC *** average of entire transactional amounts,*** modeled outputs are matched with the actual data to validate the performance of the implemented model.

关键词： bank data transaction time series modeling Deep belief Network Neural Network Lion Algorithm Artificial bee Colony algorithm

Yield Traits and Associated Marker Segregation in Elite Introgression Lines Derived from O. sativa × O. nivara

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Rice science 2018年第1期25卷 19-31页

作者： G.HARITHA b.p.M.swamy M.L.NAIK b.JYOTHI b.DIVYA S.MALATHI N.SARLA Indian Council of Agricultural Research Indian Institute of Rice Research plant breeding Genetics and Biotechnology Division International Rice Research Institute

Introgression lines(ILs)derived from interspecific crosses are a source of new genetic variability.A total of 55 ILs derived from two crosses Swarna×*** IRGC81848(population A)and Swarna×*** IRGC81832(population b)were characterized for yield and yield-related traits/*** of 103 simple sequence repeat(SSR)markers associated with yield-related QTLs was *** A showed an average of 12.6%homozygous *** alleles and population b showed 10.6%.Interestingly,three SSR markers,RM223,RM128 and RM517,showed conspicuous pattern of *** distribution of parental alleles at three loci RM223,RM128 and RM517 linked to yield-related traits was *** markers flanked to several yield-related ***223,flanking to qyld8.3,was heterozygous in almost all the 55 ILs except in IL10-3S and ***128 on chromosome 1 and RM517 on chromosome 3 were mutually exclusive in 46 out of 55 *** 46 ILs showed either of the marker allele RM128 or RM517 from *** but not ***166S had both RM128and RM517 from *** and the other ILs showed homozygous Swarna allele at RM517 except *** structure assigned the 55 ILs to three sub.p.pulations based on their genomic ***65S,IL166S,IL248S,IL7K and IL250K showed high yields in multi-location trials,and IL248S was released for cultivation as DRRDhan 40.

关键词： introgression line heterozygosity Oryza nivara wild rice population structure yield simple sequence repeat

Sulfamic acid as a green,reusable catalyst for stepwise,tandem&one-pot solvent-free synthesis of pyrazole derivatives

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Chinese Chemical Letters 2017年第7期28卷 1571-1576页

作者： Veera swamy Konkala pramod Kumar Dubey Department of Chemistry Jawaharlal Nehru Technological University HyderabadCollege of EngineeringKukatpally 500085India

Sulfamic acid（SA） is a bi-functional, cost-effective and reusable green catalyst for the synthesis of 4-（pyrazol-4-yl）methylenepyrazol-5（4H）-one derivatives by one-pot, three-component condensation of pyrazol-4-carbaxaldehydes, b-ketoesters and phenyl hydrazine（Route-I）. In addition to this method,another simple condensation of pyrazol-4-carbaxaldehydes with pyrazolone in the presence of SA under the solvent-free condition in good yield is reported. The merits of these protocols are mild conditions,non-aqueous workup, high yields, easy availability of the catalyst, no chromatographic separation and inexpensive solid acid catalyst. Furthermore, SA could be recycled and reused for five times without losing its catalytic activity.

关键词： pyrazol-4-carbaxaldehydes Knoevenagel condensation Sulfamic acid Multicomponent reaction physical grinding

Wildland fires and moist deciduous forests of Chhattisgarh, India: divergent component assessment

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Journal of Forestry Research 2014年第4期25卷 857-866页

作者： b.H.Kittur S.L.swamy S.S.bargali Manoj Kumar Jhariya Department of Silviculture & Agroforestry College of Forestry Kerala Agriculture University Vellanikara Thrissure Kerala India Department of Forestry College of Agriculture Indira Gandhi Krishi Vishwavidyalaya Raipur (C.G.) 492006 India Department of botany DSB Campus Kumaun University Nainital–263001 (Uttarakhand) India

We studied moist deciduous forests of Chhattisgarh, India （1） to assess the effect of four levels of historic wildland fire frequency （high, medium, low, and no-fire） on regeneration of seedlings in fire affected areas during pre and post-fire seasons, （2） to evaluate vegetation struc- ture and diversity by layer in the four fire frequency zones, （3） to evalu- ate the impact of fire frequency on the structure of economically impor- tant tree species of the region, and （4） to quantify fuel loads by fire fre- quency level. We classified fire-affected areas into high, medium, low, and no-fire frequency classes based on government records. Tree species were unevenly distributed across fire frequency categories. Shrub density was maximum in zones of high fire frequency and minimum in low- frequency and no-fire zones. Lower tree density after fires indicated that regeneration of seedlings was reduced by fire. The population structure in the high-frequency zone was comprised of seedlings of size class （A） and saplings of size class （b）, represented by Diospyros melanoxylon, Dalbergia sissoo, Shorea robusta and Tectona grandis. Younger and older trees were more abundant for Tectona grandis and Dalbargia sis- soo after fire, whereas intermediate-aged trees were more abundant pre- fire, indicating that the latter age-class was thinned by the catastrophic effect of fire. The major contributing components of fuel load included duff litter and small woody branches and twigs on the forest floor. Total fuel load on the forest floor ranged from 2.2 to 3.38 Mg/ha. The netchange in fuel load was positive in high- and medium-frequency fire zones and negative under low- and no-fire zones. Repeated fires, how- ever, slowly reduced stand stability. An ecological approach is needed for fire management to restore the no-fire spatial and temporal structure of moist deciduous forests, their species composition and fuel loads. The management approach should incorporate participatory forest ma

关键词： forest fire diversity fuel load vegetation structure

QTL Analysis for Grain Iron and Zinc Concentrations in Two O. nivara Derived backcross populations

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Rice science 2018年第4期25卷 197-207页

作者： b. p. M. swamy K. KALADHAR1, K. ANURADHA Anil K. bATCHU T. LONGVAH N. SARLA Indian Institute of Rice Research Rajendranagar Hyderabad 500030 India plant breeding Division International Rice Research Institute DAPO Box 7777 Metro Manila the Philippines International Crops Research Institute on Semi Arid Tropics Patancheru Hyderabad 502324 India National Institute of Nutrition Hyderabad 500007 India

Identification of quantitative trait loci （QTLs） for grain mineral elements can assist in faster and more precise development of micronutrient dense rice varieties through marker-assisted breeding. In the present study, QTLs were mapped for Fe and Zn concentrations in two bC2F3 mapping populations derived from the crosses of O. sativa cv Swarna with two different accessions of O. nivara. In all, 10 and 8 QTLs were identified for grain Fe and Zn concentrations in population 1, and 7 and 5 QTLs were identified in population 2, respectively. Eighty percent of the QTLs detected in both populations were derived from O. nivara. Five QTLs for Fe and three QTLs for Zn explained more than 15% phenotypic variance either in interval or composite interval mapping. The locations of O. nivara derived QTLs such as qFe2.1, qFe3.1, qFe8.2 and qZn12.1 were consistently identified in both the populations. Epistatic interaction was observed only between RM106 and RM6 on chromosome 2 and between RM22 and RM7 on chromosome 3 for Fe concentration in population 1. Sixteen candidate genes for metal homeostasis were found to co-locate with 10 QTLs for Fe and Zn concentrations in both the populations. Most of the Fe and Zn QTLs were found to co-locate with QTLs for grain yield and grain quality traits. Some of the major effect QTLs identified can be used to improve rice grain Fe and Zn concentrations.

关键词： biofortification micronutrient Fe concentration Zn concentration rice wild rice quantitative trait locus gene marker assisted breeding

Handbook of biomedical Image Analysis 2005

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