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Measurement Of Genetic Diversity Among Several Inbred Sunflower Helianthus Annuus L Lines
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Book Synopsis Measurement of Genetic Diversity Among Several Inbred Sunflower (Helianthus Annuus L.) Lines by : Michael Lynn Kirsch
Download or read book Measurement of Genetic Diversity Among Several Inbred Sunflower (Helianthus Annuus L.) Lines written by Michael Lynn Kirsch and published by . This book was released on 1991 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Diversity Analysis of Superior Inbred Lines in Sunflower (Helianthus Annuus L.). by : K. Kamuraiah
Download or read book Genetic Diversity Analysis of Superior Inbred Lines in Sunflower (Helianthus Annuus L.). written by K. Kamuraiah and published by . This book was released on 2002 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetics, Genomics and Breeding of Sunflower by : Jinguo Hu
Download or read book Genetics, Genomics and Breeding of Sunflower written by Jinguo Hu and published by CRC Press. This book was released on 2010-04-08 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sunflower has fascinated mankind for centuries. The oilseed sunflower contributes approximately ten percent of the world's plant-derived edible oil and the confection type sunflower holds a considerable share of the directly consumed snacks market. In addition, sunflower is also grown as an ornamental for cut flowers, as well as in home ga
Book Synopsis Genetic Diversity of Proprietary Inbred Lines of Sunflower, Determined by Mapped SSR Markers and Total Protein Analysis by : Tertia Elizabeth Erasmus
Download or read book Genetic Diversity of Proprietary Inbred Lines of Sunflower, Determined by Mapped SSR Markers and Total Protein Analysis written by Tertia Elizabeth Erasmus and published by . This book was released on 2008 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marker Development, Genome Mapping, and Cloning of Candidate Disease Resistance Genes in Sunflower, Helianthus Annuus L by : Melaku Ayele Gedil
Download or read book Marker Development, Genome Mapping, and Cloning of Candidate Disease Resistance Genes in Sunflower, Helianthus Annuus L written by Melaku Ayele Gedil and published by . This book was released on 1999 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: The level of polymorphisms of many biochemical and DNA markers are low in cultivated sunflower (Helianthus annuus L.). The number of mapped public DNA markers is limited. Molecular markers have not been developed for the most important diseases of sunflower, such as downy mildew. The objectives of this study were (i) to help alleviate the problem of low DNA marker polymorphisms by developing simple sequence repeat (SSR) markers, (ii) to build an integrated AFLP-RFLP linkage map by using previously described probes and newly developed AFLPs, and (iii) to clone and characterize candidate disease resistance genes. Forty-four polymorphic SSR markers were developed from a genomic DNA library. Diversity analysis of these SSRs for variability among 10 public inbred lines produced an average of 1.86 alleles per locus and mean heterozygosity of 0.21. The number of alleles ranged from 1 to 5. Trinucleotide SSRs were less polymorphic than dinucleotide and mononucleotide SSRs. Cluster analysis and multidimensional scaling separated elite inbred lines from wild species. There was more polymorphism in wild species than in elite lines. Three hundred and six AFLP markers were developed using 18 primer combinations. Two sets of previously mapped RFLP markers were tested for segregation in an F2 mapping population. A total of 401 markers were assigned to 17 linkage groups covering 1326 cM with a mean spacing of 3.3 cM between adjacent markers. The RFLP markers were well spaced and well distributed throughout the genome. Some linkage groups are sparsely populated with common markers. There were two gaps of 30 or more cM in two linkage groups. We cloned candidate disease resistance genes for downy mildew resistance based on sequence homology among resistance genes in other species. Eleven unique nucleotide binding sequence (NBS) containing clones were isolated and showed similarity to the corresponding domains of cloned disease resistance genes in other plant species. Seven clones mapped to four linkage groups and identified nine loci. A cleaved amplified polymorphic sequence (CAPS) marker that was 3.7 cM from the Pl1 resistance gene was developed by analysis of NILs. This CAPS marker should facilitate marker-assisted selection in sunflower.
Book Synopsis Breeding with Exotic Germplasm in Sunflower (Helianthus Annuus) by : Eric Von Hoeft
Download or read book Breeding with Exotic Germplasm in Sunflower (Helianthus Annuus) written by Eric Von Hoeft and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Exotic germplasm holds considerable promise as a source of novel variation to improve agronomic characters in elite breeding pools where genetic diversity has been limited by selective sweeps in line development or crop domestication. Unfortunately, exotic germplasm typically carries a large number of unfavorable alleles that give rise to linkage drag in segregating populations, making it unsuitable for variety improvement with traditional selection methods. Linkage drag masks the detection of favorable alleles underlying complex agronomic characters by negatively impacting phenotypic performance. Consequently, the exploitation of exotic germplasm has traditionally been limited to the detection and utilization of characters controlled by relatively few alleles with dominant, co-dominant or highly additive gene action. If favorable alleles underlying complex agronomic characters could be detected in exotic germplasm sources, opportunities to exploit them in elite breeding pools through marker-assisted selection or other methods may be improved. An Advanced Inter-mated Recombinant Inbred Line (AI-RIL) population was employed to construct a genetic map and detect QTL underlying complex agronomic characters in four independent testcross populations of sunflower (Helianthus annuus). Testcross hybrids were evaluated for plant height, flowering time, seed harvest moisture, seed test weight, ring count per capitulum and grain yield. Significant QTL for each character were detected in each test cross population independently and across populations by employing the BLUP over testcross datasets. A genome-wide association study was employed to further interrogate marker-trait associations and elucidate candidate genes regulating these characters. Finally, a genomic selection model was developed to predict performance of testcross hybrids based on the estimated allele effects represented in AI-RIL genotypes and to evaluate genomic selection as a tool for the exploitation of favorable alleles from exotic germplasm sources.
Book Synopsis Evaluation of Genotypes Fpr Genetic Diversity and Selection Parameters in Sunflower (Helianthus Annuus L.) [With CD Copy] by : Reena Rani
Download or read book Evaluation of Genotypes Fpr Genetic Diversity and Selection Parameters in Sunflower (Helianthus Annuus L.) [With CD Copy] written by Reena Rani and published by . This book was released on 2014 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analysis of Elite Inbred Lines Using L X T Design and Modified T.T.C. Model in Sunflower (Helianthus Annus L.). by : K. V. Satyanarayana
Download or read book Genetic Analysis of Elite Inbred Lines Using L X T Design and Modified T.T.C. Model in Sunflower (Helianthus Annus L.). written by K. V. Satyanarayana and published by . This book was released on 2000 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sunflowers by : Juan Ignacio Arribas
Download or read book Sunflowers written by Juan Ignacio Arribas and published by Nova Science Publishers. This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a broad number of recent discoveries, advances and important results concerning sunflower (Helianthus annus) crops and its related fields, with emphasis on the detailed study of several diseases and pests that can affect sunflowers (production, water resources needed, economy impact) in different regions of the globe, including Russia, both North and South America, Africa, India and Europe. We are all well aware of the increasing importance, as well as the economic impact that these plants have reached in recent years, not only in the food industry but also in the western energy market, with the increasing use of sunflower oil as a natural energy resource for biodiesel and biofuel. Apart from the interesting recent advances, results and conclusions presented in every chapter, plenty of visual and graphical content comprised of tables, charts, graphs, pictures and high quality detailed photographs and images showing different issues and problems regarding sunflower crops are also included. The manuscript chapters have been authored by experts in the field and in addition all of them underwent a stringent peer review process by expert reviewers to assure a high final scientific quality.
Book Synopsis Microsatellite DNA Marker Aided Diversity Analysis in Confectionery Sunflower (Helianthus Annuus L.). by :
Download or read book Microsatellite DNA Marker Aided Diversity Analysis in Confectionery Sunflower (Helianthus Annuus L.). written by and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetic diversity among 48 genotypes of confectionery sunflower (Helianthus annuus L.) collected from USDA, USA and India were evaluated by using microsatellite SSR markers. Twenty five sunflower specific SSR primers were used. Of the 25 SSR primers used, 10 primer pairs ( ORS331, ORS694, ORS728, ORS785, ORS807, ORS878, ORS 378, ORS1265,ORS1265,ORS1242) showed polymorphism. The high level of polymorphism (66.66%) was reported in this finding and the number of alleles in SSR loci ranged from 2 to 4 with an average of 2.5. The present study identifies the promising lines EC 734807, EC 734808,EC 734810,EC734860 and EC 734817 for protein and yield, these can be used as potential donors in future hybridization programme.
Book Synopsis Genetic Analysis of Yield Traits in Sunflower (Helianthus Annuus L.) Using Line X Tester Design by : A. Ashok Kumar
Download or read book Genetic Analysis of Yield Traits in Sunflower (Helianthus Annuus L.) Using Line X Tester Design written by A. Ashok Kumar and published by . This book was released on 1996 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Simple Sequence Repeat Marker Development and Mapping in Cultivated Sunflower, Helianthus Annuus L. by : Ju-Kyung Yu
Download or read book Simple Sequence Repeat Marker Development and Mapping in Cultivated Sunflower, Helianthus Annuus L. written by Ju-Kyung Yu and published by . This book was released on 2001 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cultivated sunflower (Helianthus annuus L., x=17) is one of the most important annual oilseed crops in the world. There are very few publicly shared sequence-based DNA markers and genetic maps in sunflower, even though molecular DNA markers and genetic maps have become widely used in all areas of genetic research and breeding in plant species. The objectives of this study were to develop sequence-based molecular markers and utilize the markers for genetic analyses and constructing maps in the cultivated sunflower. A total of 131 functional simple sequence repeat (SSR) markers were developed for 16 elite inbred lines using a small insert genomic library enriched for short simple sequence repeats. The polymorphism information content (PIC) estimated from 74 polymorphic SSR markers ranged from 0.0 to 0.93 with mean value of 0.55. Tetranucleotide repeats were significantly more polymorphic than dinucleotide and trinucleotide repeats, and no obvious correlation was found between repeat numbers and PIC scores. Genetic distance among 16 inbred lines, estimated from 74 polymorphic SSR markers ranged 0.175 to 0.543. Principal coordinate and cluster analyses of the genetic distance matrix well explained the difference between oilseed lines and confectionery lines, and sterility maintainer lines and fertility restorer lines. A total of 1,090 SSR markers were screened for polymorphism between the parents of two mapping populations. The two genetic maps were constructed by genotyping 94 recombinant inbred lines from a cross between PHA and PHB (276 SSR loci covering 1377.4 cM with mean distance of 4.99 cM), and 94 F2 progeny from a cross between HA370 and HA372 (122 SSR loci integrated into the existing RFLP framework map covering 1348.0 cM with mean distance of 6.77 cM). Ninety-three percent of the SSR markers were mapped to single loci and 56.5% of the loci were co-dominant. Clustering of SSR loci was observed near centromeric regions and most of the distorted loci were mapped to centromeric or distal regions. A concerted effort to develop SSR markers and generate highresolution SSR maps will enhance future fingerprinting analyses, fine-scale genome analyses and molecular breeding in the cultivated sunflower.
Book Synopsis Sunflower by : Enrique Martínez-Force
Download or read book Sunflower written by Enrique Martínez-Force and published by Elsevier. This book was released on 2015-08-12 with total page 731 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive reference delivers key information on all aspects of sunflower. With over 20 chapters, this book provides an extensive review of the latest developments in sunflower genetics, breeding, processing, quality, and utilization; including food, energy and industrial bioproduct applications. World-renowned experts in this field review U.S. and international practices, production, and processing aspects of sunflower. - Presents seven chapters on improving sunflower production with insights on breeding and genetics; physiology and agronomy; common insect and bird pests; mutagenesis; and identifying and preventing diseases. - Summarizes current knowledge of sunflower oil uses in food, oxididative stability, minor constituents, and lipids biosynthesis. - Ideal reference for scientists, researchers, and students from across industry, academia, and government.
Book Synopsis Heterosis and Combining Ability Studies and Their Relationship with Genetic Diversity in Sunflower (Helianthus Annuus L.) by : ZAKEER H. M
Download or read book Heterosis and Combining Ability Studies and Their Relationship with Genetic Diversity in Sunflower (Helianthus Annuus L.) written by ZAKEER H. M and published by . This book was released on 2001 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Single Nucleotide Polymorphism Diversity in Domesticated and Wild Sunflowers by : Carrie Freeman
Download or read book Single Nucleotide Polymorphism Diversity in Domesticated and Wild Sunflowers written by Carrie Freeman and published by . This book was released on 2003 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Single nucleotide polymorphisms (SNPs) are the most common DNA polymorphisms in plant and animal genomes. SNPs were identified in the allele sequences of up to 12 sunflower (Helianthus annuus L.) genotypes for a genome-wide sample of 81 loci originally mapped using restriction fragment length polymorphism (RFLP) markers. The RFLP loci anchor a dense RFLP linkage map and second-generation linkage maps constructed using simple sequence repeats and other high-throughput DNA markers. The goal of this study was to develop high-throughput SNP markers for the cDNA-RFLP loci for linkage mapping, diversity analysis, and molecular breeding and genomics research. The specific objectives were to: (i) develop FP-TDI or fluorescent primer-extension SNP assays for the cDNA-RFLP loci; (ii) validate the SNP markers by screening 12 sequenced (reference) genotypes; and (iii) assess the utility and polymorphism rate of the SNP markers across a genetically diverse panel of unsequenced wild and domesticated sunflower genotypes. SNP markers were successfully developed for 44 of the targeted 49 cDNA-RFLP loci. Thirty-one of the SNP markers were further selected for a diversity analysis across a genetically diverse panel of wild and domesticated sunflower genotypes. The mean heterozygosity (H) score for the loci was 0.41, which nears the maximum H score of 0.5 for biallelic markers. SNPs in this study exhibited polymorphism rates close to those of RFLP and SSR markers in inbred sunflower lines.
Book Synopsis Genetic Variability for Morphophysiological Attributes in Elite Inbred Lines of Sunflower(Helianths Annuum). by : P. Maruthi Prasad Rao
Download or read book Genetic Variability for Morphophysiological Attributes in Elite Inbred Lines of Sunflower(Helianths Annuum). written by P. Maruthi Prasad Rao and published by . This book was released on 2002 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings... written by and published by . This book was released on 1982 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Morphological differences between high and low yielding hybrids of sunflower; A study of the morphological characters of sunflower achenes in relation to their emergence under adverse conditions; The effects of ethephon on dormant seeds of cultivated sunflower (Helianthus annuus L.); Pathways of yields elaboration in sunflower under various water stresses; The behaviour of some sunflower genotypes (Helianthus annuus L.) under various flooding regimes; Tolerance of sunflower hybrids to competition among plants; Growth analysis irrigated sunflower at two plant populations; Estimation of leaf area on sunflower plants; Photosynthesis in sunflower leaves: RUBP carboxylates properties activities and quantitative determination; Effects of defoliation during seed filling of sunflower plants; Evolution for biosynthesis during the cycle of development of sunflower, and assimilates partition among organs and constituents; The sunflower roots activity in the field; Effect of daylength in the time of inflorescence initiation and rate of post-initiation development in two early sunflower cultivars; Yield and harvest index of sunflower cultivars: influence of duration and water stress; Determination of physiological nad harvest maturity in sunflower; Effect of physiological maturation on quantitative characters of sunflower varieties and hybrids; Growth and development of sunflower in a semi-arid environment; Determination of regional strategies for sunflower production; Effect of early spring planting of sunflower on yield in Iraq; Oil content oi oilseed sunflower (Helianthus annuu L.) hybrids grown in Texas, USA; Effect of the planting date of sunflowers on the agronomic characteristics and on the quantity and quality of oil; A technique for selecting sunflower genotypes with temperature-stable linoleic acid synthesis; Water requirement of sunflower in a semi-arid environment; Effect of irrigation on water use pattern in sunflower root zone; Influence of plant population on phasic development, growth, yield and water use of irrigated sunflower in a semi-arid environment; The response of sunflower to strategies of irrigation; Salinity and sunflower agronomy in Egypt; Effect of sodium chloride on the lipid composition of sunflower oil; Nitrogen nutrition of sunflower with special reference to nitrogen stress; Effect of nutritional and cultural treatments on seed production on winter grown sunflower; The response of irrigated sunflower cultivars to nitrogen fertilizer; Studies of the uptake of soil and fertilizer nitrogen by sunflower using 15-N techniques; Interactions between moisture supply, N and P, in the performance of an open-pollinated and a hybrid sunflower variety in a semi-arid environment; Differential response to two sunflower cultivars to boron fertilization; Effect of phosphorus and nitrogen fertilization levels on the yield and oil content of sunflower (Helianthus annuus L.); Pollination studies in hybrid sunflower seed production; Sunflower hollow seededness and nitrogen fertilization in relation to harvest time; Effect of achene (seed) size on subsequent growth and development of hybrid sunflower (Helianthus annuus L.); Behaviour of NS sunflower hybrids harvested at different seed moistures; Evaluation of losses in the harvesting of sunflower; Maturity and seed quality in sunflower: physiobiochemical assessment through accelerated ageing; Irrigated sunflower production from the red-brown soils of Northern Victoria; Irrigated sunflower in the Ord River Valley; Potential for pest management in sunflowers in Australia; Insect and mite pests of Queensland sunflowers; Seasonal abundance of the Rutherglen bug (Nysius vinitor) on sunflowers and weeds in N.E. Victoria; Effect of moisture stress on damage to sunflowers by Rutherglen bug (Nysius vinitor); Sunflower seed yield as influenced by pollination and insect pests; Effect6 of maldison (malathion) ULV) on sunfloer insects; Phytomelanin: development and role in hybrid resistance of Homoeosoma electellum larvae (Lepidoptera: Pyrallidae); The control of alternaria blight of sunflowers in Eastern Australia; Some factors affecting the incidence and importance of sunflower rust in Australia; Investigations into increased rust (Puccinia helianthi) intensity on some hybrid sunflower cultivars grown in Queensland; Occurrence of sunflower diseases in Portugal in the last four years (1978 - 1981); White blister and petiole blight of sunflowers caused by Albugo tragopogonis; Stemphylium sp. the agent of reddish-brown spot on sunflowers stem; Further studies on the sunflower disease caused by Diaporthe (Phomopsis) helianthi and possibilities of breeding for resistance; A leaf spot disease of sunflower caused by Septoria sp.; The distribution, and incidence of charcoal rot of sunflower in Eastern Australia; Effect os stand density on the occurrence of charcoal rot and oil yield of some sunflower hybrids; Methods of studying the reaction of some cultivars and wild species of sunflower to infection by Sclerotinia sclerotiorum (Lib) de Bary; Field inoculation of sunflower for Sclerotinia sclerotiorum basal stalk rot and virulence of isolates from various hosts; Coniothyrium minitans as a treatment for sclerotinia wilt of sunflowers; The use of high frequency microwaves on sclerotia to control inoculum of Sclerotinia sclerotiorum; Use of the enzyme-linked immunosorbest assay (Elisa) for the detection of downy mildew (Plasmopara halstedii) in sunflower; Resistance to a new race of sunflower downy mildew; A new race of Verticillium dahliae; Models for potential status of infection: some aspects of the functioning of the climate x plant x pest system; Models for potential status of infection: application to sunflower-botrytis; A model for the development of grey mould (Botrytis cinerea) in sunflower heads; Losses caused in sunflowers by birds in Hungary; Pest status of parrot species on sunflowers in northern N.S.W.; An innovation in the control of galahs, Cacatua roseicapilla, and sulphur-crested cockatoos, Cacatua galerita, in sunflower; The economics of chemical dessication and mechanical drying as methods of reducing bird damage in sunflower; Very early combine harvesting of sunflower to avoid bird depredation; Allelopathic activity of cultivated sunflowers; Post-emergence weed control in sunflower; Information concerning the effect of cultivation as a complement for weed control; Utilization of wild Helianthus annuus in germplasm development; Cluster analysis of wild Helianthus annuus accessions; Variability on oil content in seed pf Helianthus spp.; Variation in oil and quality of wild annual sunflower (Helianthus annuus L.) populations in a uniform environment; Variability in the composition of higher fatty acids in oil of sunflower inbreds with different oil contents in seed; Variability in protein and amino acid contents in different sunflower inbreds; Investigations into seedset in sunflowers; Effect of isolation bags on seedset in sunflowers; Effect of stigmatic manipulation of pollination and seedset in sunflowers; The inheritance of drought tolerance in sunflower; Inheritance of plant height and leaf number in diallel crossing of sunflower inbreds; Inheritance of trichome characteristics in sunflower, Helianthus spp.; Genetic implications in transfering fertility restorer genes to a new genetic background in sunflower Helianthus annuus L.); Correlations for important agronomic characters between parent lines and F1 hybrids of sunflower; Relationships among traits of inbreds and hybrids of sunflower; Maternal and embryo effects on the oleic and linoleic acid contents of sunflower oil; Maternal and paternal effects on the oil content of cypsela in F1 seed; Genetic effect of days to flowering in sunflower (Helianthus annuus L.) under short day regimes; Epistatic gene action in sunflower - a caution to sunflower geneticists and breeders; Use of multivariate techniques in a breeding programme to assit selection of sunflower inbreds and hybrids; Stratified masal selection on sunflower as breeding method for synthetic varieties for forage or grain; Selection of sunflower plants containing high linoleic acid and its agronomic significance; Selection in sunflowers for resistance to Rutherglen bug (Nysius vinitor); Chemically induced mutations in sunflower; Genetic advances by mass selection in the oil percentage of sunflower (Helianthus annuus L.); Performance of early maturing hybrids in Manitoba, Canada; Sunflower variety evaluation, Coonabarabran, NSW, Australia; Evaluation of sunflower hybrids in international trial plantings; Plant breeder's rights and varieties registration in France; An objective description of sunflower for varietal registration, plant variety protection and other purposes; Oil quality analyser; TBHQ in sunflower oil; Utilization of sunflower oil in making plastic fat products for edible uses by miscella interesterification process; Plant oils as a fuel for diesel engines: experiences with sunflower oil; Energy farming update: the bio-oil option?; Lysine availabity in sunflower meals for pigs and chiks; What will the market place expect from sunflower?.
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