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아스파라거스의 품종간 생육특성 비교와 비가림, 멀칭에 의한 생산성 향상 효과
성기철,유병천,이정수,이상규 (사) 한국생물환경조절학회 2001 생물환경조절학회지 Vol.10 No.3
Asparagus varieties popular in the foreign countries were collected and tested on their productivi-ties and qualities for five years under rain shelter and open field conditions. Among the tested variet-ies, cultivars of C309and xcelshowed superior productivity to the others in spear weight butthe initial growth was not different among the tested varieties. However, the growth index was higherthan the other varieties. According to the result from eight-year experiment, the best variety in pro-ductivity and quality were C309and xcelboth for rain shelter and open field cultivations. Toavoid the damage caused by stem blight, rain shelter and soil surface mulching treatments were testedwith var. xcel The spear sprouting and first harvesting date were a few days earlier in rain sheltercultivation than in open field, but there were no differences among the mulching materials. The num-ber of spears and the spear weight per plant were increased in rain shelter cultivation, especially withrice straw and black P.E. mulching treatments. Marketable yield also increased by 253% in black P.Efilm mulching in rain shelter cultivation compared to the non-mulching in open field. The stem blightexamined in the autumn, 1997 was not observed under rain shelter treatment, but severe damage wasobserved in the open field regardless of the mulching materials. In the experiments, high asparagusyield could be achieved by black P.E. film mulching in rain shelter cultivation without the occurrenceof stem blight.