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, Aphids less traffic is also more convenient,[link widoczny dla zalogowanych], conducive to the original species and the first virus-free propagation of species. Therefore, we can build and fly net room with wet curtain cooling facilities converted mini potato virus-free propagation, re-use the higher Northern detoxification summer or autumn of the original species and one kind of propagation, harvesting of one kind potato as a commodity can be supplied directly with the kinds of Winter, to form the three virus-free potato seed breeding system. Three-level system model of the main unit by the virus-free seed potato breeding and seed farmers and seed potato production and management organizations, that is from virus-free potato plantlets begin to form tiny (a), and then reproduce the formation of the original species (two ), then by propagation of the original species have one kind of (three). Then supplied to farmers planted directly or Breeding. Research unit is mainly responsible for the introduction of improved varieties, virus-free shoot tips, virus detection, virus-free seed potato in the propagation of the core,[link widoczny dla zalogowanych], the net room mini potato breeding work; seed farmers responsible for the original species, one kind of plant, harvest and registration ; seed potato production and management organization responsible for technical training and guidance, the guidance at all levels in seed potato production and recycling. The establishment of three breeding system helps to reduce the flow of the middle part, lower production costs, increase the technology content, to ensure that the effect of seed quality, shorten the period for breeding by the four-year system into a three-year system,[link widoczny dla zalogowanych], focus on Guangxi to find a suitable path of developing the potato industry, developed a suitable high-yielding cultivation in Guangxi virus-free potato seed production mode,[link widoczny dla zalogowanych], to avoid the kinds of long-distance adjustment range of issues brought to address needs of Guangxi virus-free potato seed difficult problem, Guangxi provide excellent winter potato virus-free seed potato, Promoting sustainable and healthy development of the potato industry is conducive to the adjustment of agricultural structure and promote agricultural efficiency and rural incomes, research institutes and farmers together to achieve the . More articles related to topics：

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