2 edition of Disease elimination by tissue culture and testing of potato breeding clones found in the catalog.
Disease elimination by tissue culture and testing of potato breeding clones
|Statement||prepared by Dermot Lynch.|
|Contributions||Saskatchewan. Agriculture Development Fund.|
|LC Classifications||SB608.P8 L83 1995|
|The Physical Object|
|Pagination||58 p. ;|
|Number of Pages||58|
|LC Control Number||96111837|
The availability of tissue culture technology for rapid multiplication of disease-free planting material has facilitated potato seed production to a great extent (Dodds ). Meristem culture is being successfully employed to obtain virus-free potato clones (Mori et al. ). Rapid multiplication of these disease-free clones using. also the tool of choice for various breeding and genetic stocks of interest to breeders and researchers. Long-term backup cryopreservation of clones is done at the base collection in Fort Collins, Colorado. In vitro techniques also play an important role in virus elimination from clones. Recently, in vitro propagation has expanded to.
Multiplication of seed potatoes in a conventional potato breeding programme: micropropagation (tissue culture), hydroponics and aeroponics. Plant tissue culture is the science of growing plant cells, tissues or organs isolated from the mother plant, Elimination of viruses through tissue culture is possible. Dr. Bridgen’s research interests are in the areas of new plant development and breeding, plant environment interactions, plant cell and tissue culture, in vitro plant breeding, plant propagation, genetic modifications for plant improvement, and plant growth and development of .
The plant material was collected in Gers, France, and came with the designation 'clone '. The selection underwent testing at Foundation Plant Services and was planted in the old foundation vineyard in as Melon In , plant tissue was taken from Melon 04 for the purpose of microshoot tip tissue culture disease elimination therapy. Key points. Potato diseases can dramatically reduce both tuber yields and quality. Tissue culture of plantlets in vitro for production of disease-free seed tuber requires expensive technology and highly trained staff.. A low cost alternative is the use of cuttings - a single-node, leaf-bud or other type of very small plant cutting (above) - for propagation of plantlets under .
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Program Overview. The major objectives of the Colorado Potato Breeding and Selection Program are: (1) to develop new potato cultivars with increased yield, improved quality, improved nutritional and health characteristics, resistance to diseases and pests, and tolerance to environmental stresses; (2) to collaborate with growers, shippers, processors, and.
Dermot Lynch has written: 'Disease elimination by tissue culture and testing of potato breeding clones' -- subject(s): Potatoes, Control, Clones, Virus diseases. Recent Advances in Virus Elimination and Tissue Culture for Quality Potato Seed Production source to save hard earned money and disease free potato seeds simultaneously.
breeding clones. A total of 43 pest and disease-free potato clones have been distributedin vitro from CIP to 10 different countries. The training of technicians from developing countries played an important role in the application of these by: Conventional breeding of a successful potato cultivar takesbetween years, and has not kept pace with current demands from potato growers and processors in the state of Maine.
A reason for this is because cultivatedpotato contains four copies of each chromosome, which makes genetics analysis a challenge for researchers. We plan to use a technique known as genome elimination.
Further multiplication of potato seed tubers under aeroponics also compliments tissue culture (micropropagation), as it clones minitubers in a short time and reduces numerous labour steps.
with other heterozygous and asexually propagated crops such as potato (Karp and Bright. ; see also Chapter 1 of this volume) has shown that existing commercial cultivars can be improved using cell and tissue culture tech-nology. Improvements have included increased disease resistance, changed. Tissue culture systems in potato (Solanum tuberosum L.) that involve a callus phase, such as regeneration of plants from protoplasts or expiants, can be accompanied by phenotypic variability, or somaclonal variation.
The extent of this variability appears to be greatest in protoplast-derived potato plants. Cytological studies have shown that some of the variation observed in regenerated potato.
culture) - disinfection of the sprouts nodes = in Na hypochlorite, 5 à 8’ + and rising them in 3 successive bads of sterile H2O, 5’ – 10’ and 5’ - culture media = MS + Sugar (20g/l) + Agar (6g/l), pH 5,9 - culture conditions: 16h/8h, 18 to 22 C, to lux.
Micropropagation techniques • Potato variety. in vitro. introduction. Wild Solanum species are found in 16 countries, from the southwestern United States to central Chile (Spooner and Salas, ).The greatest diversity of species is found in central Mexico at 20°N, and in the southern hemisphere, especially in the highlands of the Andes between 8° and 20°S (Hijmans and Spooner, ).Wild potatoes grow from sea level to.
Potato Research Institute Havlíčkův Brod, Ltd. Dobrovského01 Havlíčkův Brod, phone +fax + e-mail: [email protected], The original plant material underwent microshoot tip tissue culture disease elimination therapy at FPS in After successful completion of testing for the California Grapevine Registration & Certification Program, Pinot gris 09 was planted in the FPS Classic Foundation Vineyard in DISEASES OF POTATO AND THEIR MANAGEMENT EB new January detected for many years due to a tissue culture-based testing of all tissue cultures, a strong flush-out required certification program, strict inspections, strict sanitation on seed farms and more recently, seed lot testing via tuber cores by PCR testing.
Because sweetpotato is a clonally propagated crop, typically sweetpotato germplasm is in clonal form (maintained in tissue culture, frozen, or as living plants in a greenhouse or field gene bank). Sweetpotato genetic resources may also be maintained as populations of seed; typcially the case for wild relatives and populations from breeding.
The potato breeding project began in in Hokkaido, and introduction breeding was the first approach, which aims to select suitable genotypes from foreign cultivars. As a result of introduction breeding, many cultivars, including ‘Irish Cobbler’ and ‘May Queen’, which are still major cultivars for table use, were selected.
The observation that phenotypic changes arise during the cell culture and regeneration phase of potato tissue culture was communicated more widely following the recovery of a vast array of novel phenotypes after regeneration of plants from leaf protoplasts of ‘Russet Burbank’ and similar cultivars (Shepard et al., ).
They can be stored in the dark for more than 4 months, and the recipient can plant them directly into pots or nursery beds without a further culture step.
In modern potato breeding programs, in vitro cultures provide a disease-free reference collection during the years of field testing needed to select the most desirable clones. there is no system to guarantee that the new seed is disease-free. Cultivar Development Potato breeding in China is a relatively new venture.
It did not begin in earnest until the s, when foreign cultivars were introduced. These clones were intercrossed and selfed to produce segregating populations for selection.
The introduction of new. Gopal J. () General combining ability and its repeatability in early generations of potato breeding programmes. Potato Res. 21– [Google Scholar] Milczarek D., Przetakiewicz A., Kamiński P. and Flis B.
() Early selection of potato clones with the H1 resistance gene―the relation of nematode resistance to quality characteristics. TRANSGENIC POTATOES IN THE CONTEXT OF POTATO BREEDING. Potato breeding has been highly successful over the past century.
Traditional breeding methods involve the hybridization of parental clones and the subsequent selection among large seedling populations for superior individuals with the desired combination of traits (Plaisted et al.
clones. These clones and their tuber progenies are then screened in gradually increasing plots over several years for favourable combinations of agronomic traits. Effort has also been focusing on the use of true seed for breeding programmes.
Over the last 15 years a new approach to potato breeding has been emerging.of virus disease-the disease which repulsed the challenge of many researcheri; for so long. Since then, meristem culture has been ap plied to dahlia, carnation and white potato by several researchers in France, Great Britain and Holland and succeeded in the elimination.
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