Journal of Mushroom (한국버섯학회지)

The Korean Society of Mushroom Science (한국버섯학회)
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Breeding of Pleurotus eryngii with a high temperature tolerance trait

고온적응성 큰느타리(새송이)버섯 품종육성

  • Im, Chak Han (Gyeongsangnam-do Agricultural Research and Extension Services) ;
  • Kim, Min-Keun (Gyeongsangnam-do Agricultural Research and Extension Services) ;
  • Kim, Kyung-Hee (Gyeongsangnam-do Agricultural Research and Extension Services) ;
  • Cho, Soo Jeong (Department of Pharmaceutical Engineering, Gyeongnam National University of Science and Technology) ;
  • Lee, Jong Jin (Gyeongsangnam-do Agricultural Research and Extension Services) ;
  • Joung, Wan-Kyu (Gyeongsangnam-do Agricultural Research and Extension Services) ;
  • Lee, Sang Dae (Gyeongsangnam-do Agricultural Research and Extension Services) ;
  • Choi, Young Jo (Gyeongsangnam-do Agricultural Research and Extension Services) ;
  • Ali, Asjad (Gyeongsangnam-do Agricultural Research and Extension Services) ;
  • Ryu, Jae-San (Gyeongsangnam-do Agricultural Research and Extension Services)
  • Received : 2014.09.17
  • Accepted : 2014.09.29
  • Published : 2014.09.30
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Abstract

In order to breed a new P. eryngii cultivar with high temperature tolerance trait to cope with climate change, strains and cultivars were characterized at $20^{\circ}C$ that is $5^{\circ}C$ higher than normal condition followed by screening for the characteristics such as required days to harvest, quality and yield. Monokaryons from the selected strains were crossed. $Da-32{\times}KNR2322-15$ derived from the crosses between KNR2322 having characteristics of short growing day and Da($Ga5Na5-4{\times}KNR2312-7$) having charateristics of high guality and yield at $20^{\circ}C$, showed 14.9 days for harvest, 120.6 g yield, and 7.0 quality in the first trial. The strains were named as Taeyangsongi and cultivated on a large scale to compare with Kenneutari No. 2 at a mushroom farm. Yield of Taeyangsongi (109 g) was significantly different(P=0.001) from Kenneutari No.2. Quality of the new (6.6) and the reference cultivar (3.5) was also statistically different (P=0.001) The brightness of pileus of Taeyangsongi (59.5) was 10 points less than the reference cultivar due to which it has an inability to bear high temperature stress. Thus, PCR reactions with URP2 discriminated between Taeyansongi and reference cultivars (Keneutari No. 2 and Aeryni).

기후변화에 대비한 고온성 품종을 육성하기 위하여 유전자원을 수집하고 표준재배온도보다 $5^{\circ}C$ 높은 $20^{\circ}C$에서의 자실체 특성을 평가하고 생육소요일, 품질, 수량을 기준으로 육종모본을 선발하고 단핵균사를 채취하여 단교배하였다. 생육소요일을 기준으로 선발한 KNR2523과 품질 수량으로 선발한 "다"계통간의 단교배에 의해 다${\times}KNR2322$-$32{\times}15$가 생육소요일수(14.9일)과 수량(120.6 g), 품질(7.0)로 선발되었다. 선발된 계통을 태양송이라고 명명하고 대량재배로 큰느타리2호와 생육특성을 비교하였다. 수량은 태양송이가 109.0 g으로 대조품종의 70.6 g의 154% 수준이며, 통계적으로 분산분석결과 0.001% 수준에서 고도의 유의성을 보였다. 품질은 태양송이는 6.6, 큰느타리2호는 3.5로 나타나서 우수하였다. 갓의 명도에 있어서 태양송이는 고온임에도 불구하고 59.5의 수치를 보여서 대조구보다 10정도 낮았다. 고유성에 있어서는 URP2프라리머에서 큰느타리2호와 근친품종 애린이3과 다형성을 보였다.

Keywords

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  1. Breeding of Pleurotus eryngii, "Aeryni 5" vol.14, pp.3, 2016, https://doi.org/10.14480/JM.2016.14.3.94