Method of producing virus free potato minitubers

Details Method of producing virus free potato minitubers Method of producing virus free potato minitubers

1994-01-05

1995-05-30

Fox, David T.

Plant husbandry

Process

47DIG3, 43524051, 43524045, 504116, A01B 7900, C12N 500

Patent

active

054190797

ABSTRACT:
This invention discloses a method of producing virus-free potato minitubers, which includes the steps of selecting virus-free test-tube plantlets and stem sections cut from seedlings grown 30 days after cuttage of such virus-free test-tube plantlets as cuttaging seedlings, choosing vermiculite as cuttage medium, treating the cuttaging seedlings with plant growth regulators, keeping the growth conditions of the cuttaging seedlings at 25.degree. C. during the daytime and 12.degree.-17.degree. C. at night, relative humidity 95-100% during the early stage and 60-70% at the later stage, and a light duration of ten hours a day with illuminance of 400-600 lux, along with suitable field management of water and fertilizer. The virus-free potato minitubers can be harvested in 30 to 60 days.

REFERENCES:
Wang et al. 1982 American Potato Journal 59(133-37.
Zaag. 1987. In Viruses of potatoes and seed-potato production. de Bokx et al., eds. ch. 13:176-203.

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