A STUDY ON THE PROPAGATING SYSTEM OF VIRUS-FREE POTATO SEED TUBERS IN DOUBLE CROPPING POTATO REGION

doi:10.3321/j.issn:1000-7091.1986.03.005

Abstract

Abstract: Though Tianjin is in the region of double cropping potatoes, the varietal deterioration of potato seed tubers is very serious. In order to control the damage by potato viruses in our area, we have produced the virus-free potato seed tubers with the local propagating method and by selecting early mature and high yield varieties. "Hong Wen Bai" and "Feng Shou Bai" During the production test, polythene film covered sheds and ground film covering technique were adopted and succeeded in protecting the crop from the damage by aphids and having an earlier harvest.The propagating system of virus-free potato tubers for 6 generations in 3 years hereby has been established in Tianjin. The potato seed tubers of each degree have reached the temperary national standards respectively.

Key words: Potato, Virus-free, Propagating system, Double cropping Potato region

Wang Bingjun. A STUDY ON THE PROPAGATING SYSTEM OF VIRUS-FREE POTATO SEED TUBERS IN DOUBLE CROPPING POTATO REGION[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1986, 1(3): 29-35. doi: 10.3321/j.issn:1000-7091.1986.03.005.

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