- UPLB Institute of Plant Breeding
University of the Philippines, Los Baños
Institute of Plant Breeding
type = Research Institute
director= Jose E. Hernandez
city = Los Baños
state = Laguna
website = http://community.uplb.edu.ph/ca/ipb
The Institute of Plant Breeding (IPB) is a research institute of the
University of the Philippines, Los Baños. It is the national biotechnologyresearch center and repository for all crops other than rice, which is handled by the Philippine Rice Research Institute.
It traces its roots to the
Plant BreedingDivision of the Department of Agronomy, College of Agriculture. In 1975, President Ferdinand Marcoselevated the Division to an Institute and provided additional funds for new facilities and expanded research initiatives.
*Develop new and improved varieties of dryland crops
*Conduct studies in plant breeding and allied disciplines related to crop improvement
*Collect, introduce, preserve, and maintain germplasm of important and potentially useful agricultural and horticultural crops
*Assist other agencies in multiplying quality seeds and vegetative materials of recommended crop varieties
*Promote widescale use of IPB varieties and ensure that seeds are made available to small farmers
Divisions and laboratories
*Cereal Crops Division
*Feed and Industrial Crops Division
*Fruit and Ornamental Crops Division
*Legume Crops Division
*Vegetables and Special Crops Division
*Plant Pathology Laboratory
*Plant Physiology Laboratory
*National Plant Genetic Resources Laboratory
*Plant Cell and Tissue Culture Laboratory
*National Seed Foundation
amples of IPB research
*Papaya Ringspot Virus (PSRV)-ResistantThis variety is a genetically-enhanced
papayawith PRSV resistance and delayed ripening trait. This trait will help reduce post-harvest losses due to spoilage which is another major problem to farmers. The first and second generation papayas had been previously subjected to polymerase chain reaction analysis, which indicated that the lines contain a copy of the PRSV coat protein gene. A third generation papaya is currently under development.
*Fruit and Shoot Borer Resistant EggplantInitial crosses had already been made between Indian transgenic
eggplantsand selected Philippine varieties Mara, Mistisa, Dumaguete Long Purple, and Casino. The progeny of these crosses were then back-crossed with their Philippine variety parent in India.
*Multiple Virus Resistant TomatoThe multiple virus resistant project aims to combine transgenic technologies for Cucumber Mosaic Virus with conventional resistance against Tomato Leaf Curl Virus (ToLCV) to produce commercial tomato varieties. After introgression lines and appropriate controls were supplied by IPB partners, these tomato lines were screened to identify the genome regions that confer resistance against each local ToLCV. Reliable DNA markers are also being developed for each identified genome (introgression) region.
*Mutation Breeding of Philippine AvocadoAlthough engaged in
genetic engineering, the Institute also uses mutation breeding, which is an alternative method of improving crop varieties. Small portions of avocadoplant tissue (embryos) were allowed to grow (embryogenic cultures) and to differentiate into somatic embryos and shoots. Some of the plant tissue cultures were subjected to gamma irradiation to facilitate mutation from the regenerated plant tissue cultures. During the irradiation, some cells were killed and those capable of regrowth were multiplied. The surviving cells were grown to produce somatic embryos and shoots. The shoots from irradiated and non-irradiated tissues were then treated in a test tubeenvironment to promote root growth and prepare them for natural growth environment. The IPB is currently undertaking the rooting and potting out of the plantlets to enable maximum recovery. The established regenerated plants will then be transferred to the greenhouse, and finally to the field for further evaluation.
* [http://community.uplb.edu.ph/ca/ipb UPLB Institute of Plant Breeding Website]
* [http://www.bar.gov.ph/bardigest/2007/janmar07_featinst.asp Bureau of Agricultural Research Digest]
* [http://www.bic.org.my/?action=events&do=body28 Malaysian Biotechnology Information Center]
* [http://www.uplb.edu.ph/news/uplb-news/the-uplb-horizon/1246 Using Biotech to Improve Philippine Avocados]
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