COLLECTING PLANT GENETIC RESOURCES

Q: How can I download an article?

To download an article from SID, first log in to the site, search for the article title, and click on the 'Download Article' option.

Q: How can I download an ISI article?

To download an ISI article on SID, enter the keyword or article title in the search bar, view the relevant results, click on the desired article, and select the 'Download Article' option.

Q: How can I access the SID database?

To access the SID database, visit SID.ir, create an account, and log in to access scientific resources.

Q: Is downloading articles from SID free?

Some articles on SID are available for free, while others require payment. Details are specified on the article's page.

SHAFA ALDIN S.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: MODERN GENETICS JOURNAL (MGJ) Year:2007 | Volume:2 | Issue:2 Page(s): 5-16

Download Full-Text

Persian Verion

View:

3,304

Download:

Cites:

Information Journal Paper

Title

COLLECTING PLANT GENETIC RESOURCES

Author(s)

SHAFA ALDIN S. | Issue Writer Certificate

Keywords

GENETICQ3

RESOURCESQ3

COLLECTINGQ3

DIVERSITYQ3

SEEDQ2

GERMPLASMQ2

Abstract

Collecting and conserving of plant GENETIC source is important in the world COLLECTING of different plant GENETIC RESOURCES, especially in wild relatives of crops is one of the most important duties in gene banks. There are some objectives for collection of GENETIC RESOURCES including long-term conservation and evaluation of GENETIC DIVERSITY. DIVERSITY is the most important factor in the collection of plant GENETIC RESOURCES in order to their long-term conservation and utilization for breeding programs and agricultural development. The most essential collector duty is the identification GENETIC structure of COLLECTING materials which is the most suitable definition for spices in one site. There are four main factors in the collection program: 1) sampling of about 50 populations in one geographical region, 2) sampling of 50 plants in each population, 3) random sampling in each site, 4) sampling of enough SEEDs or vegetative materials in each plant. Collection of materials for long-term conservation and evaluation of GENETIC DIVERSITY in the gene banks should be aimed of diverse population and gene pools. Priority in the collection programs favors under erosion species and populations. The collector should have complete knowledge about plant pollination and fertilization systems. The important factors for planning of collection of crop family and their wild relatives are: the most suitable date for collection, and targeted COLLECTING region should have good climatic DIVERSITY, the choice of region for as many as different species and populations. The selection of collection site, distance between 2 sites, number of plants and SEED per plant in each sample, systematic identification of materials, and recording of identification data are essential in the collection programs. GENETIC DIVERSITY of landraces in the especial site is essential in collection programs. Therefore, as far as farms are the possibility of GENETIC DIVERSITY in landraces is high.If the climatic conditions in the collection region and sea elevation of the site would be the same, the distance between two farms should be consider about 20-50Km. Collection of landraces may operate in one or two stages. The two stage collection is done when we are looking for unique genotypes. In some cases that SEEDs are very small, such as clover SEEDs, the sampling amounts should be larger so that the suitable DIVERSITY of samples is acquired. All in all, it is essential with respect to scientific points in the collection programs to acquire higher GENETIC diversities; GENETIC erosion should be avoided from, especially in cases that their SEEDs are low.

Cites