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2022 Vol.67, Issue 2 Preview Page

Original Research Article

Effect of Crop Desiccant Treatment of Italian Ryegrass Seed Production on Harvest

작물 건조제 처리가 이탈리안라이그라스 수확기 생육, 수량 및 안전성에 미치는 영향

Yun-Ho Lee1*
,
Hyeon-Soo Jang1
,
Dea-Uk Kim1
,
Jong-Tak Youn2
이 윤호1*
,
장 현수1
,
김 대욱1
,
윤 종탁2
1Scientist, Crop physiology and production, National Institute of Crop Science, Wanju 55365, Republic of Korea
2Senior Scientist, Crop physiology and production, National Institute of Crop Science, Wanju 55365, Republic of Korea
1농촌진흥청 국립식량과학원 작물재배생리과 농업연구사
2농촌진흥청 국립식량과학원 작물재배생리과 농업연구관
*Corresponding Author
1 June 2022. pp. 131-136
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Abstract

This study was conducted to evaluate the efficacy and phytotoxic of crop desiccant treatments on the seed production of Italian ryegrass (Lolium multiflorum Lam.) in Gimje and Buan, South Korea. Here, Italian ryegrass was treated 7, 10, and 14 days before harvest (DBH) and no difference in fresh weight, 1000-seed weight, germination rate, and seed yield was observed compared to the untreated control in the standard dose and double dose for seven DBH. However, the standard dose and double dose on the 10 DBH and 14 DBH had a lower 1000-seed weight, germination rate, and seed yield compared to the untreated control. In pesticide persistence analysis, the permitted standards were not exceeded in the seeds and straw according to the treatment time and concentration. These results suggest that the treatment effect and stability of Italian ryegrass can be expected if treated within seven DBH. However, it seems that crop desiccants should be used after considering grain ripening and weather to minimize loss of seeds.

Keywords
crop desiccant
Italian ryegrass
Tiafenacil
treatment time
yield
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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 : 67
  • No :2
  • Pages :131-136
  • Received Date : 2022-04-25
  • Accepted Date : 2022-05-11
  • DOI :https://doi.org/10.7740/kjcs.2022.67.2.131
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