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황벽나무의 종자발아와 묘목생장 및 적정생육밀도에 관한 연구
구관효,이강영,윤기식,이총규 ( Gwan Hyo Goo,Kang Young Lee,Ki Sik Youn,Chong Kyu Lee ) 한국산림과학회 1997 한국산림과학회지 Vol.86 No.4
We examined the effect of pretreatments on seed germination, seedling growth, optimal seedling density of Phellodendron amurense. The seeds were carefully purified after collection in late Oct. from natural population at Mt. Chiri. For the evaluation of pretreatment effects, seeds were sowed in an experimental nursery after being stored in open ground(2∼8℃) with soaking in 20% H₂O₂, 50-fold pon-pon solution, cold moist stratification in refrigerator(2∼4℃) and dry storage in roam temperature(4∼18℃), respectively, For the effect of growth density of seedlings, seedlings germinated in nursery were precisely controlled with 53, 104, 220, 380 seedlings per ㎡. Among pretreatments for the promotion of germination rate, pon-pon treatment(68.8%) was highest, the others were higher than that in dry storage(2.3%), and these seed pretreatment methods were significantly different at 1% level. The height growth of seedlings showed the most vigor from Jun.12 to Jul. 8, and from Jul.20 to Aug. 2, and it reached to 72.8% of height growth. In case of 1-0 seedling, although seedling density per ㎡ was increased, seedling growth was decreased. The optimal seedling density was 104 seedlings per ㎡. The standard seedlings for plantation were above height 55㎝, root collar diameter 8.1㎜, and root length 21㎝. These results demonstrated that seed of P. amurense requires stratification for the germination promotion.
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