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Oct 16, 2019 @ 15:41

Modern crop breeding program recommended in Asia

Even with the use of genetic modification—including genomic selection and molecular marker-assisted breeding—to improve certain traits of plants, crop improvement is still crucial to develop a commercially ready product.

Hence, modern crop breeding program is recommended in Asia.

“Many are impatient with this process and offer better techniques and tools to shorten the process, but still fail in the implementation of a new breeding program,” said Glenn B. Gregorio, Director of the Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA).

Gregorio, an eminent rice scientist, said this as he spoke at the Association of Academies and Societies of Sciences in Asia (AASSA)-Korean Academy of Science and Technology (KAST) Regional Workshop on Crop Biotechnology for Sustainable Agriculture held in Seoul.

In his speech, Gregorio recommended exploring an alternative approach to implementing a modern breeding program to address the problem of fast tracking the development of crop varieties for commercialization.

He proposed that practical factors be considered and a crop master plan be developed where breeding strategies will be laid out.

“The plan should include the crop market analysis or market intelligence, strength-weakness-opportunity-threat analysis by market segment, and breeding strategies,” Gregorio explained.

While “marker-assisted selection” is central to most plant breeding programs because the technique allows scientists to use genetic markers that enable them to predict whether a plant will have a desired gene, Gregorio suggested a “market-assisted selection” approach.

He said the strategies in his proposed approach “may include the targeting specific market segments and develop the product profile per segment, followed by the development of breeding strategy for the target market segment, then implementation of the product development strategy, and finally the seed system strategy while taking into account the logistical constraints in regulatory issues especially if the product is derived from regulated biotechnological tools.”

In summary, Gregorio recommended the introduction of genomic selection into a crop breeding program along with a strong research management approach by identifying and analyzing the problem with the particular crop (such as low genetic gain), identifying the impact on stakeholders, and proposing of a project that will implement genomic selection proofs of concept and training for breeders.



 

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