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사계성 딸기의 고랭지 재배 시 지상부 조절에 따른 생육 및 수량
이종남(Jong Nam Lee),이응호(Eung Ho Lee),이준구(Jun Gu Lee),김수정(Su Jeong Kim),박한영(Han Young Pak),용영록(Yeoung Rok Yong) 한국원예학회 2006 원예과학기술지 Vol.24 No.1
This study was conducted to evaluate the growth and yield reaction of ever-bearing strawberry (Fragaria × ananassa Duch.) taking the thinning of reproductive organs like crown and cluster for summer season production at cool region. The cultivar ‘Pechika’ was planted on 28 May, and the split-plot experimental was designed by putting the crown numbers by 1, 2, 3 and noninterference as the control. To compare the fruit set to non fruit thinning, fruits were removed to remain the number of 5, 8, and 11, respectively. At the same time the number of leaves were adjusted to 4 and 6 as the main plot at the first fruiting period as the sub-plot. There was no significant difference in the number of fruits per flower clusters, but the fresh weight of them increased when the number of crown was increased. Harvest breaking period was short with increasing the crown numbers and decreasing the fruit numbers per flower cluster. Marketable fruits per plant were increased with increasing the crowns and the fruits per flower cluster. The marketable fruit was the highest as 74~80% of total production with the treatment of five fruits per flower cluster. The marketable yield was 26.5 tonㆍ㏊?¹ that the strawberry was treated as 3 crowns with 11 fruits per flower cluster and it was 23% higher than that of control plot with non-thinning flower cluster. The strawberry grew with the best condition and was shortened the period of first fruiting when the 7~9 leaves were kept at the first fruiting stage. Marketable yield of the above strawberry was 20.7 tonㆍ㏊?¹ and the amount 40% higher than other leaf treatments.