Breeding of Flammulina velutipes Strains Adaptable to Elevated-temperature.
- Author:
Won Sik KONG
1
;
Yong Hyun CHO
;
Chang Sung JHUNE
;
Young Bok YOO
;
Kwang Ho KIM
Author Information
1. Applied Microbiology Division, National Institute of Agricultural Science and Technology, Rural Development Administration, Suwon 441-707, Korea. wskong@rda.go.kr
- Publication Type:Original Article
- Keywords:
Backcross mating;
Breeding;
Elevated-temperature adaptable strains;
Flammulina velutipes;
Molecular marker
- MeSH:
Agaricales;
Breeding*;
Flammulina*;
Fruit;
Humans;
Parents;
Spores
- From:Mycobiology
2004;32(1):11-16
- CountryRepublic of Korea
- Language:English
-
Abstract:
Winter mushroom, Flammulina velutipes, needs low temperature during its cultivation. To save on farm costs, especially during summer, a strain adaptable to a higher or elevated-temperature must be developed. At the start of breeding program, parental strains which could endure high temperature were obtained. Seuenty four dikaryotic strains were collected and divided into four groups according to the nature of temperature. They also had different fruiting temperature. Finally we selected three brown strains ASI 4048, 4057 and 4072, and collected their spores. These selected strains can germinate even at a high temperature of 32degrees C, which were dramatically higher than the other strains. Based on these results, the new white strain adapted to mid-temperature by backcross mating was developed. Molecular markers were applied to select white fruit-body producing strains without cultivation. They showed a specific band which co-segregated with brown fruitbody forming strains in BC1F1 progenies. Selected white strains were tested under several elevated temperature conditions.
