Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Effect of Row Covers on the Growth and Yield of Broccoli During Spring Culture

막덮기 재배가 봄재배시 녹색꽃양배추의 생육 및 수량에 미치는 영향

  • Published : 2002.12.01
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Abstract

This study was conducted to examine the effect of row covering materials on the growth and yield of broccoli for early production in the open meld. Materials for plastic tunnel were row-covering (ventilating non-woven fabric), perforated film (2.3％ pore space) and P.E. film. The types of row covers were tunnel and covering period was one months after transplanting. The row cover and perforated film increased daily air and soil temperature by 3~4$^{\circ}C$ and 2~3$^{\circ}C$, respectively as compared to no covering. Also, relative humidities in those treatments were higher than those in P.E. and no covering. The row covering and perforated film enhanced plant growth. Broccoli grew best and abnormal head appeared the least with row covering treatment. Days taken for head formation, however, did not differ between treatments but the weight of curd was over 400 g in the treatment of row covering and perforated film covering. Marketable yield doubled under row covering as compared to no covering. The first harvest time was earlier by two weeks in row-covering. The results of this experiment indicated that covering row-cover film in spring cultivation was effective fer not only yield increase but also quality evaluation in early production of broccoli.

본 시험은 봄철 노지재배시 막덮기 피복자재가 녹색꽃양배추의 생육 및 수량에 미치는 영향을 구명코자 수행하였다. 막덮기와 유공필름처리에서 무처리에 비하여 3~4$^{\circ}C$의 기온상승 및 2~3$^{\circ}C$지온 상승효과를 보였으며 상대습도에 있어서도 높게 유지되었다. 막덮기와 유공필름처리에서 생체중, 근중 등 생육이 크게 향상되었다. 이상화뢰의 발생은 막덮기 피복처리에서 가장 적었다. 출뢰일은 38~40일로 처리간 큰 차이가 없었으나, 화뢰중은 막덮기 피복과 유공필름처리에서 400g이상으로 무처리에 비하여 2배 이상 증가되었다. 첫 수확일은 막덮기 처리에서 무처리에 비하여 2주 이상 빨라 조기수확이 가능하였다 상품수량에서도 막덮기와 유공필름처리에서 1,600kg/10a이상으로 많았으며 다음이 P.E. 무처리순으로 무처리에서 857kg으로 가장 적었다. 250g 이상의 화뢰중 비율도 막덮기 처리에서 고르게 분포되었다. 이처럼 봄철 막덮기 자재를 이용한 녹색꽃양배추 재배시 조기수확과 증수는 물론 품질향상을 기할 수 있었다

Keywords

References

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