Initial report of glufosinate and paraquat multiple resistance that evolved in a biotype of goosegrass (Eleusine indica) in Malaysia

Chuah Tse Seng, Low Van Lun, Cha Thye San, Ismail Sahid

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Field and glasshouse studies have confirmed the presence of a glufosinate- and paraquat-resistant goosegrass biotype that has infested a bitter gourd field in Air Kuning, Perak, Malaysia. Glufosinate and paraquat had been applied at least six times per year to the affected fields (originally a rubber plantation) for more than four consecutive years. Paraquat had been used since 1970 for weed control in the rubber plantation. An on-site field trial revealed that the control of the goosegrass plants, measuring 20-35 cm in height, ranged from 20 to 35% 3 weeks after being treated with each herbicide at twice the recommended rate. Dose-response tests were conducted in the glasshouse, using seedlings at the three-to-four-leaf stage that had been obtained from the plants that had received repeated exposure to these herbicides and a biotype with no history of any herbicide resistance. The comparison of the GR50 (the herbicide rate that is required to reduce the shoot fresh weight by 50%) of the seedlings indicated that the resistant biotype of goosegrass is 3.4-fold and 3.6-fold more resistant than the susceptible biotype following treatment with glufosinate and paraquat, respectively. This study has demonstrated the world's first field-evolved instance of multiple resistance in goosegrass to two non-selective herbicides, glufosinate and paraquat.

Original languageEnglish
Pages (from-to)229-233
Number of pages5
JournalWeed Biology and Management
Volume10
Issue number4
DOIs
Publication statusPublished - Dec 2010

Fingerprint

Eleusine indica
glufosinate
paraquat
biotypes
Malaysia
herbicides
rubber
plantations
greenhouses
Momordica charantia
seedlings
herbicide resistance
developed countries
dose response
weed control
field experimentation
air
shoots
leaves
testing

Keywords

  • Glufosinate
  • Glyphosate
  • Multiple resistance
  • Paraquat

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Initial report of glufosinate and paraquat multiple resistance that evolved in a biotype of goosegrass (Eleusine indica) in Malaysia. / Seng, Chuah Tse; Van Lun, Low; San, Cha Thye; Sahid, Ismail.

In: Weed Biology and Management, Vol. 10, No. 4, 12.2010, p. 229-233.

Research output: Contribution to journalArticle

Seng, Chuah Tse ; Van Lun, Low ; San, Cha Thye ; Sahid, Ismail. / Initial report of glufosinate and paraquat multiple resistance that evolved in a biotype of goosegrass (Eleusine indica) in Malaysia. In: Weed Biology and Management. 2010 ; Vol. 10, No. 4. pp. 229-233.
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