Crop science abstract interspecific hybridization in. Interspecific and intergeneric hybridization and chromosomal. Interspecific competition, hybridization, and reproductive. This is, in part, because examples of natural, interspecific. Interspecific hybridization among black basses micropterus. Potential for rapid evolution of introduced fungal pathogens. Successful interspecific hybridization between cucumis. Interspecific hybridization among mycobacteria nature. Interspecific hybridization of vigna radiata x wild. Earlier we reported interspecific hybridization in various gossypium species 3, 4. We infer that these are not firstgeneration hybrids but represent successful backcrossing with h.
Hybridization is known to occur naturally in some scleractinian corals and has played an important role in the evolution and diversification of the genus acropora van oppen et al. Interspecific hybridization in tilapias in kenya is probably widespread, since o. Interspecific hybridization of plants and resistance. Interspecific hybridization between cultivated american. From which, 66 primer pairs equidistributed on the a genome were manual selected and experimentally tested via pcr analysis on b. Interspecific hybridization is much less likely the origin in i.
Wo2000001221a2 methods for interspecific hybridization. Interspecific hybridization has played a significant role in blueberry improvement from its beginnings early in the twentieth century and continues to be important today. Interspecific hybridization and introgression are associated. Hybridization between saccharum officinarum and saccharum spontaneum. Interspecific hybridization with the two primary genepool species has been highly efficient, which facilitates introgression breeding or the commercial production of f 1 hybrid seed for use as rootstocks. Seeds from a total of 18 plants of three sm clnlld and 7 plants of spl were sampled for the determination tables 2 c1i. Hybridization is leading to rapid evolution of dutch elm disease and other fungal plant pathogens. Two major classes of hybridization barriers that impede gene flow. In plants, gametic isolation prevents interspecific hybridization from occurring through mechanisms such as pollenpistil. Jackson department of plant biology, the university of birmingham, p. A total of 59 vigorous plants were obtained from a fruit containing 159 embryos 37. Interspecific hybridization an overview sciencedirect.
Experiments conducted in the first part of this work showed that a high degree of streptomycin resistance can be transmitted to m. Interspecific hybridization an overview sciencedirect topics. May 14, 2018 climate change and other anthropogenic disturbances have created an era characterized by the inability of most ecosystems to maintain their original, pristine states, the anthropocene. However, there are higher barriers to distant hybridization and the introduction of new genes from wild germplasm into sunflower cultivars because of different ploidy levels 2 x, 4 x, 6 x and genetic incompatibilities. Interspecific hybridization followed by recurrent backcrossing is an effective method to transfer the resistance trait from wild to cultivated fig. We performed interspecific hybridization in the haploid blade. Interspecific f1 hybrids were obtained from a cross between cucumis sativus l. Jan 27, 2014 dasls are known to occur spontaneously during successive backcrossings after interspecific hybridization. If the inline pdf is not rendering correctly, you can download the pdf. Insights from atlantic salmon and brown trout article pdf available in the journal of heredity 1022.
Interspecific hybridization is common and is estimated to occur in 10% of animals mallet 2005. Many abnormalities were observed in pollentube development, which reduced the percentage of fertilization to 1830%. Pdf interspecific and intergeneric hybridization and chromosomal. Pustovoit have seeds that are up to 55 percent oil and are distinguished by group immunity to diseases and parasites. After the production of the interspecific hybrids, a subsequent problem is that these hybrids are often sterile. Interspecific hybridization is an important driving force in plant evolution and speciation 1,2,3. Investigating new and innovative strategies that may facilitate ecosystem restoration is thus becoming increasingly important, particularly for coral reefs around the globe which are deteriorating at an alarming. Reproductive characterization of interspecific hybrids.
Interspecific hybridization, a matter of pioneering. The interspecific hybrids had varying degrees of pollen viability, from fertile combinations c. Interspecific hybridization between a sexual and apomictic species can be used to. In the brassica genus, several crop species share close relationships. Introduction traditional perspectives on sexual selection and hybridization. Four species of dissotis and three species of tibouchina, two genera of the melastomataceae family, were crossed in an attempt to create interspecific. A large number of germplasm resources were obtained from seventy cross combinations among the cultivated species and between the cultivated and the 14 wild species, respectively. Hybridization and introgression, which can happen in natural and hybrid populations, of new genetic material can lead to the replacement of local genotypes if the hybrids are more fit and have breeding advantages over the indigenous ecotype or species. The restoration of fertility marked the creation of a new synthetic species, c.
Pustovoit have seeds that are up to 55 percent oil and are distinguished by group immunity to. Interspecific hybridization is common in plants under natural conditions, but the ecological mechanisms underlying when and how it happens have not fully been understood. Viable hybrids of varying fertility can be made reciprocally between these species. Organelle genomes cpdna and mtdna were found to be maternally inherited in the interspecific hybridization by molecular analyses of the organelle dna. Interspecific hybridization among black basses micropterus spp. Disease resistant varieties of crops can be obtained by using interspecific hybridization. Interspecific hybridization among hieracium species in new. Interspecific hybridization and introgression are associated with stock transfers in salmonids.
In experiment 1, a total of 199,820 florets on 335 panicles were pollinated with johnsongrass pollen. Interspecific hybridization of plants and resistance to. Pdf domesticated honeybees facilitate interspecific. Stone fruit, in particular, has a seemingly unending number of interspecific hybrid varieties developed for their flavor and novel appearance. Pdf interspecific hybridization between sunflower and. Interspecific crosses were made between the cultivated sunflower inbred line ha89 and accessions of five wild perennial helianthus species. Interspecific hybridization, evolution, extinction, backcrossing publisher columbus state university. Interspecific hybridization by sexual means springerlink.
With the tetraploid highbush blueberry, vaccinium corymbosum 2 n 4 x 48, interspecific hybridization has primarily involved species in the secondary genepool, i. Here, the crossing over takes place between two plants belonging to the same genus i. In agricultural systems, there is also great potential to take advantage of this process for targeted crop improvement. Dasls are known to occur spontaneously during successive backcrossings after interspecific hybridization. Interspecific hybridization is an essential means in sunflower breeding of obtaining and broadening genetic variability.
Pollen tube gene pool interspecific hybrid faba bean pollen fertility. Barriers to interspecific hybridization in backcrosses. Pdf interspecific hybridization, a matter of pioneering. By analyzing the meiotic configuration, banga 1988 reported the development of c genome chromosome substitution lines in b. Distant hybridization is used to produce plant forms with valuable yield and resistance to fungus diseases and pests. Interspecific or intersectional hybridization involving crosses among species within or between sections lim et al. Genomic in situ hybridization gish as a tool to identify chromosomes of parental species in sunflower interspecific hybrids z. Potential for rapid evolution of introduced fungal pathogens this glimpse of the migratory history of o.
Interspecies hybridization article about interspecies. Interspecific hybridization for brassica crop improvement. Rapid evolution of introduced plant pathogens via interspecific hybridization. An associated riskthat accelerated pathogen evolution may be occurring as a consequence of genetic exchange between introduced, or introduced and resident, fungal pathogensis largely unrecognized. Creation of the technique of interspecific hybridization. Jun 21, 2019 intervarietal hybridization involves parents of same species as in the most common hybridization we know. Interspecific hybridization between sunflower and wild. What is the difference between interspecific, intervarietal.
This is, in part, because examples of natural, interspecific hybridization in. Many interspecific hybrids have been produced from various types of wild and cultivated a and c genome plants 15,16,17,18,19,20,21,22. Pdf interspecific hybridization in hazelnut corylus. Between the year 2009 and 2012, for instance, the government through the ministry of fisheries development implemented the national fish farming enterprise productivity program, in which farmers were.
Interspecific hybridization between eggplant and wild. Crosscompatibility in intraspecific and interspecific hybridization. Research on sexual selection and hybridization has focused on female mate choice and malemale competition. Interspecific hybridization, wild species, mymv donar,skewness,kurtosis introduction vigna radiata l. The new technique of interspecific hybridization was created in gossypium which could remarkably overcome abortion of interspecific hybridization and hybrid sterility of f 1. Interspecific hybridization between sunflower and wild perennial helianthus species via embryo rescue article pdf available in euphytica 1061. Interspecific hybrid ancestry of a plant adaptive radiation. While the evolutionary outcomes of interspecific female preference have been well explored, we are now gaining a better understanding of the processes by which malemale competition between species in secondary contact promotes reproductive isolation versus hybridization. Interspecific hybridization between sunflower and wild perennial helianthus species via embryo rescue. Please view the pdf by using the full text pdf link under view to the. Frontiers interspecific hybridization may provide novel. Interspecific hybridization is widespread in nature, where it can lead to either the production of new species or to the introgression of useful adaptive traits between species. Following interspecific hybridization, there are two models for the subsequent evolution of plants.
Interspecific hybridization of plants and resistance to herbivores. Interspecific hybridization was first done in 1894 in the usa, in the 1910s in japan, and in the 1920s in europe. Annotated bibliography of interspecific hybridization of. Jan2 1department of plant sciences, north dakota state university, fargo, nd 58105, usa 2usdaars, northern crop science laboratory, fargo, nd 58105, usa abstract interspecific hybridization has been widely used to transfer genes from wild. Intervarietal hybridization involves parents of same species as in the most common hybridization we know. Interspecific hybridization, polyploidization and backcross. The hybridization between two species of the same genus is called interspecific hybridization it can also be defined as the crossing over between two individuals of different species of the same genus for example. Interspecific hybridization between vigna unguiculata and v. Download book download pdf download all download jpeg 2000 download text annotated bibliography of interspecific hybridization of fishes of the subfamily salmoninae. Attempted interspecific hybridization between the speciesphaseolus vulgaris, p. Interspecific hybridization means hybridization between two parents from different species. Interspecific hybridization of lilium longiflorum thunb. Interspecific hybridization experiments were conducted between the common seahorse hippocampus kuda male and the slender seahorse h.
This study demonstrates the diversity of responses of phytophages in response to interspecific hybridization. Interspecific hybridization may provide novel opportunities. Interspecific sunflower hybrids produced by academician v. These results indicate that hybrid breakdown occurred during the meiosis, while the surviving f 1 gametophytic blades were considered a breakthrough in the interspecific hybridization of porphyra. Before the introduction of nonindigenous species like oreochromis niloticus and tilapia zillii gervais in lake victoria, the great majority of the ichthyofauna of the lake was made up of two groups of indigenous cichlids, the haplochromines and. Origin of a new phytophthora pathogen through interspecific. Barriers to interspecific hybridization in the backcross of the fj interspecific hybrids. Controlled crossing resulted in fruit containing embryos which were excised and rescued on a murashige and skoog solid medium. Sexual signals and mating behaviors influence whether sympatric species interbreed, and can therefore promote or impede behavioral reproductive isolation irwin and price 1999. Please view the pdf by using the full text pdf link under view to the left. Successful hybridization techniques are important for the utilization of the genetic diversity of. It is one of the predominant sources of protein and certain essential amino acids like lysine.
In the caribbean, recent environmental degradation and massive population decline in acropora cervicornis and acropora palmata have favored hybridization and expansion of their f1 hybrid. Interspecific crosses were made between the cultivated sunflower inbred line ha89 and accessions of five wild perennial helianthus species h. Genomic in situ hybridization gish as a tool to identify. Molecular analysis via mitochondrial dna mtdna cytochrome b and nuclear dna ncdna ribosomal protein s7 gene supported the hybridization. Barriers to interspecific hybridization between vigna. Interspecific introgression postf 1 hybridization was detected in two individuals from old samples of the river nive.
Surface sterilized flower buds of the fi interspecific hybrids were either selfed or crossed invitro, as female, to ica pijao and p. Interspecific and intergeneric hybridization in dissotis and tibouchina. Methods for interspecific hybridization download pdf info publication number wo2000001221a2. Pdf interspecific hybridization of tilapiines in lake. Publication date 1978 topics hybridization, lilies. The importance of interspecific hybridization in crop improvement varies greatly from one crop to another stalker, 1980. These hybridization events can result from the introduction of nonnative genotypes by humans. Welcome to my presentation on interspecific hybridization, a matter of pioneering.
The small number of progeny sampled 1 to seedlings. For full access to this pdf, sign in to an existing account, or purchase an annual subscription. M barrier 1 department of genetics, north carolina state university, raleigh 27695, usa. Amphidiploids induced by chromosome doubling of the completely sterile hybrids pro duced a few pods with mature seeds. Hybridization at intraspecific, interspecific, and intergeneric levels is a well known breeding strategy to create variations with desirable traits for. Interspecific hybridization barriers play a critical role in the first stage of allopolyploid speciation through hgd because the formation of viable f 1 hybrids that have some degrees of fertility is a prerequisite for the occurrence of allopolyploid speciation fig. Domesticated honeybees facilitate interspecific hybridization. Alleles typical of atlantic salmon 8 bp long were found at the microsatellite locus bfro 002 in those individuals whereas the rest of speciesspecific markers, including the mitochondrial, exhibited markers typical of. Interspecific hybridization is also called as intergeneric. Interspecific hybridization between the two salmo species occurred in all studied rivers.
Pdf in brassicaceae crop breeding programs, wild relatives have been evaluated as genetic resources to develop new cultivars with biotic. Interspecific hybridization in cucumis leads to the. Interspecific hybridization, polyploidization and backcross of. Plant disease epidemics resulting from introductions of exotic fungal plant pathogens are a well known phenomenon.
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