Mulching Methods and Removing Dates of Mulch Affects Growth and Post Harvest Quality of Garlic (Allium sativum L.) cv. Uiseong

  • Kwon, Kwon-Seok (Department of Horticulture and Breeding, School of Bioresource Sciences, Andong National University) ;
  • Azad, Md. Obyedul Kalam (Department of Horticulture and Breeding, School of Bioresource Sciences, Andong National University) ;
  • Hwang, Jae-Moon (Department of Horticulture and Breeding, School of Bioresource Sciences, Andong National University)
  • Received : 2011.02.16
  • Accepted : 2011.06.03
  • Published : 2011.08.30

Abstract

This experiment was conducted to elucidate the effects of mulching materials and removing time of the transparent polyethylene (PE) film on the growth of garlic at Uiseong experimental field, Korea. The experimental mulching materials comprised of transparent polyethylene film (0.025 mm) and net polyethylene (NPE). Plant height and leaf number of garlic were highest at PE treatment when the PE removing date was March 18 and this treatment also promoted the no. of cloves. Length of leaf sheath and bolting rate were highest and bulb weight loss rate was lowest at PE + NPE treatment when the PE removing date was March 18. But clove number was the lowest in this treatment compared to conventional PE film treatment. Conventional mulching method accelerated secondary growth rate but bulb weight loss was vice versa. There were statistically no differences in bulb diameter among treatments but conventional treatment positively focused on bulb diameter. Whenever PE film remove can suppress weeds compared to no mulching treatment but the dry weight of weeds were increasing trends as the removal dates of PE film were delayed. Transparent PE or PE + NPE treatments can be recommended to grow best quality garlic when PE film removing date is March 18.

Keywords

References

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