Carabao mango hybrids developed by IPB-UPLB: 154-15(5) with red blush and resistance to fruit fly (left), 138-16(1-1) with red blush and resistance to anthracnose (right). | Photo from IPB-UPLB

A research and development program found “promising” ways to make mango varieties and selections that are good for export.

This was done to help the Philippines’ export industry, especially with its native carabao mango.

Some of these good qualities are a red blush, a thick peel, resistance to anthracnose, fruit flies, and other diseases.

Carolyn E. Alcasid of the Institute of Plant Breeding, University of the Philippines Los Baños (IPB-UPLB) and leader of the program, “Enhancing Competitiveness of Philippine ‘Carabao’ Mango through Varietal Improvement,” reported mango varieties and selections with promising traits — ‘Mangoming,’ ‘Farrales,’ ‘GES 77,’ mango selections FOCS Acc Nos. 12-186, 12-070, 12-202 and 12-173, and ‘Carabao’ mango selections FOCS Acc. Nos. 12-053, 12-209, and 12-127.

Attendees of the terminal review for the program, “Enhancing Competitiveness of Philippine ‘Carabao’ Mango Through Varietal Improvement,” held recently via video conferencing. | Screenshot from Crops Research Division

FOCS Acc. Nos. 12-202, 12-053, and 12-173 are resistant to anthracnose, while ‘GES 77,’ FOCS Acc. Nos. 12-209 and 12-12, and ‘Farrales’ are resistant to fruit fly.

‘GES-77,’ an NSIC-registered variety through the program, is being recommended to local farmers due to its resistance to fruit fly.

Meanwhile, 19 carabao mango hybrids were successfully produced through conventional hybridization. Fruits of 4 out of 19 hybrids were observed to have red blush while two hybrids, 154-15(5) and 138-16(1-1), have potential resistance to fruit flies and anthracnose, respectively. Initial screening of other hybrids also showed that eight hybrids will likely have red-blushed skin and 10 will likely have anthracnose resistance.

Using the Genotype by Sequencing (GBS) technology, the program team identified molecular markers associated with red blush, thick peel, and resistance to fruit flies and anthracnose.

The program was implemented in partnership with the Bureau of Plant Industry (BPI)-Guimaras; BPI-La Granja National Crop Research, Development and Production Support Center (BPI-LGNCRDPSC); Don Mariano Marcos Memorial State University (DMMMSU); President Ramon Magsaysay State University (PRMSU); and private mango growers from Castillejos (Zambales), Iligan City (Lanao Del Norte), and Tiaong (Quezon).

It is funded and monitored by the Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development of the Department of Science and Technology (DOST-PCAARRD).

Both UPLB and DOST-PCAARRD eye the development of the Program’s Phase 2, focusing on market study and postharvest characterization of the promising varieties and selections. The program team plans to partner with plant nurseries in distributing the registered mango varieties and looks into applying for Plant Variety Protection (PVP).

The outputs of the first extensive mango breeding program in the Philippines were discussed recently in a terminal review organized by DOST-PCAARRD.

The terminal review was attended by the UPLB program team, Technical Review and Evaluation Panel Members, Dr. Rene Rafael C. Espino of UPLB, Ms. Mary Ranzelle Pasang from Technology Transfer and Promotion Division (TTPD), and Crops Research Division (CRD) representatives led by its OIC-Director, Dr. Allan B. Siano; Monitoring and Evaluation Subsection Head, Leilani D. Pelegrina; and Mango ISP Manager, Ma. Cecilia S. Alaban.

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