Method for producing virus-free rootsticks of hop

Details Method for producing virus-free rootsticks of hop Method for producing virus-free rootsticks of hop

1995-07-06

1998-03-24

Lankford, Jr., Leon B.

Chemistry: molecular biology and microbiology

Plant cell or cell line, per se ; composition thereof;...

435420, 435430, 435431, C12N 500, C12N 502

Patent

active

057312010

ABSTRACT:
Disclosed is a method for producing virus-free, rootstocks of hop, which comprises growing a cultured virus-free hop strain in a rooting medium thereby to make it shoot out roots therein followed by culture it in a rootstocks of hop-producing medium having a high saccharide concentration thereby to form rootstocks of hop in the medium. The virus-free, rootstocks of hop are produced under aseptic conditions and are out of the danger of their contamination with viruses, pathogenic vermian or parasites. The plants are highly safe and can be stored well. When planted, these actively shoot out roots and sprouts.

REFERENCES:
Proceedings Int. Workshop on Hop Virus Diseases Rauischholzhausen 1988, pp. 131-134, 1989, H. TN. Kremheller, et al., "Production and Propagation of Virus-Free Hops in Bavaria, Federal Republic of Germany".
Proceedings Int. Workshop on Hop Virus Diseases Rauischholzhausen 1988, pp. 123-126, 1989, G. Legrand, et al., "Health Improvement of the Hop Grown in Belgium and Use of Virus-Free Material".

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