The Adoption of Cv. Igorota in the Philippines and Vietnam

Chien, Dao Huy; Ganga, Z.; Simongo, D.K.; Kiswa, Cynthia G.; Gonzales, Ines C.; Pérez, J. L. García; Tung, Pham Xuan; Hau, Nguyen Tuyet; Artola, K.; Valkonen, Jari P. T.; Li, Canhui; VanderZaag, Peter

doi:10.1007/s12230-016-9503-y

Cited by 6 publications

(3 citation statements)

References 12 publications

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“…Most Solanum tuberosum cultivars, are adapted to the longer days of Europe or other temperate climates and are strongly induced to tuberize under the short-day tropical conditions. Cv Igorota, a cultivar bred with Peruvian germplasm produced 3 times as many apical cuttings as compared to the European cv Granola in a trial in the Philippines [2].…”

Section: Principles For Successful Utilization Of Apical Rooted Cuttings As Transplants For Tuber Productionmentioning

confidence: 99%

“…LBR1-5, later coded as PO3 and officially released as cv Igorota in 2004, was selected for its early maturity, good tuber skin and shape, and high yields with large sized tubers. Cv Igorota was initially multiplied and sold for seed by Mr. Peter Raymundo, a farmer from Buguias, Benquet [2]. The use of ARC made possible the rapid multiplication of pathogen tested materials and introduction of new cvs for on farm evaluations.…”

Section: Apical Rooted Cuttings Permitted Rapid Adoption and Maintenance Of New Cultivars For Smallholder Farms In Philippines 41 Backgromentioning

confidence: 99%

“…The continual reuse of seed stocks for many generations leads to severe virus infection. Bacterial Wilt infected seed caused by Ralstonia solanacearum further hinders potato production in the mid elevation tropical settings [2].…”

Section: Introductionmentioning

confidence: 99%

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Potato apical rooted cuttings (ARC) originating from juvenile simple rounded leaf mother plants are a significant new way of transplanting and field growing of seed potatoes under smallholder field conditions in the tropical highlands. The aim of this paper is to highlight the development of the technology by researchers and farmers in Vietnam, Philippines, Kenya and Uganda. The development of cultivars with late blight resistance for which no source of tuber seed was available stimulated the creation of using ARC. The demystification of tissue culture by the 1980s greatly aided this development. The key hurdle was to multiply tissue culture plants in beds of growing media and maintain the physiological young stage of the mother plants from which apical cuttings could be repeatedly taken for several months to produce ARC for sale to farmers who demanded the new cultivars (cvs) with all the desirable attributes. The technology was first developed in warmer climates at lower elevations of less than 1,500 meters above mean sea level (mamsl) but gradually it was successfully developed at cooler climates in East Africa. The technology is well established in the highlands of Vietnam and Philippines. The largest family operation is producing over 4 million ARC annually. These high-quality ARC along with improved cvs have markedly improved yields of smallholder farmers, improving food security and increasing their income levels. In Kenya and Uganda there is a rapid adoption of ARC by seed producers, smallholder farmers and youths. The ARC revolution is bringing a great deal of excitement and promise of prosperity to remote poor highland communities.

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Section: Principles For Successful Utilization Of Apical Rooted Cuttings As Transplants For Tuber Productionmentioning

confidence: 99%

Section: Apical Rooted Cuttings Permitted Rapid Adoption and Maintenance Of New Cultivars For Smallholder Farms In Philippines 41 Backgromentioning

confidence: 99%