피복재료에 따른 도라지의 생육 및 잡초발생

Seung-Ho Jeon; Il-Rae Rho; Young-Guk Kim; Young-Son Cho

doi:10.7740/kjcs.2016.62.1.073

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2017 Vol.62, Issue 1 Preview Page

Original Research Article

피복재료에 따른 도라지의 생육 및 잡초발생 Effects of Mulching Materials on Platycodon grandiflorum Root Growth and Weed Occurrence

31 March 2017. pp. 73-78

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Abstract

This study was conducted to elucidate the effects of mulching materials on root growth characteristics and weed occurrence of Platycodon grandiflorum transplants (3 years old) in organic farming. After transplanting, roots were mulched with one of three mulching materials (biodegradable film, sawdust, or rice husks) or a control (no mulching). The average root diameter of all mulching groups was 28.1 mm, which was 5.1 mm thicker than the no-mulching treatment. Roots with the biodegradable film treatment were the thickest at 30.9 mm. Root length was the shortest, 22.0 cm, with rice husk mulching. The number of rootlets was the highest with film mulching (36.0 rootlets/root) and the lowest with no mulching. For root fresh weight, which directly affects yield, the average of treated and untreated roots was 100 and 56 g/root, respectively. The highest fresh weight was in the biodegradable film plot (130 g/root). The mulching treatment groups showed a weed inhibition effect compared with the no-mulching treatment. The dominant weeds with the no-mulching treatment were Setaria viridis and Digitaria ciliaris, and that with the mulching treatment was Setaria viridis. Average annual weed occurrence across all treatments was 72%. Weed occurrence was the highest with the no-mulching treatment (125 weeds/m ² ), and there were no weeds with the biodegradable film treatment.

Keywords

biodegradable film

Platycodon grandiflorum

sawdust

transplanting culture

weed occurrence

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Information

Publisher :The Korean Society of Crop Science
Publisher(Ko) :한국작물학회
Journal Title :The Korean Journal of Crop Science
Journal Title(Ko) :한국작물학회지
Volume : 62
No :1
Pages :73-78
Received Date : 2016-12-05
Revised Date : 2017-02-13
Accepted Date : 2017-03-01
DOI :https://doi.org/10.7740/kjcs.2016.62.1.073

The Korean Journal of Crop Science ISSN:0252-9777(Print) 2287-8432(Online) 한국작물학회지

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