210 - THE SPROUT/SEED-POTATO (S/SP) TECHNOLOGY: NOT A CHILLING BUT A CHALLENGING SEED-POTATO PRODUCING SYSTEM./A tecnologia do Broto/Batata-semente (B/BS): Não uma ameaça mas desafiante sistema de produção de batata-semente. Souza-Dias, J.A.C¹; V.J.Ramos²; K. Lindner³. ⁽¹⁾APTA-IAC/CPDFitossanidade, 13020-902 Campinas, SP, mail:jcaram@iac.sp.gov.br; ²APTA-UPD-Itararé,SP; ³Fed. Research Centre Cultiv. Plants – Julius Kühn-Institute, Braunschweig, Germany. FUNDAG/13-002/93; CNPq/MAPA 578746/2008-5. 

Before field planting, high-grade tuber/seed-potato stocks (Solanum tuberosum) generates hundred tons of sprouts. Due to the S/SP system (Patent PI 0604078-0; C1 0604078-0) which has been introduced worldwide (Souza-Dias, et al. 2009. 93thPAA Mtg, Canada, abst 54), these sprout/by-products is detoured from dump to aphid-proof greenhouses. Just like tissue culture plantlets, sprouts are planted to produce hundred of thousands virus-free minituber/seed-potato (Souza-Dias & Costa, 1998. A Granja. 597(54):12-18). The S/SP has become a new source of income for small farmers, revealing a new commodity. The challenge of increasing seed-potato supply without environmental impact, has drawn attention to the S/SB by seed-potato experts from exporter and importer countries. The recent Brazil-China coop. research project is pioneering on evaluating the S/SP by shipping sprouts from APTA-IAC bred varieties to China (Souza-Dias et.al., 2009. Virus Rev & Resr,14(1):256-257). Due to its low: production cost; freight and risk of soil-borne pathogens movement, the S/SP strikes the seed-potato market as an alternative to fight hunger with sanitary safe movement of seed-potato.

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