Maize-sorghum intercropping systems for purple nutsedge management

Arif Mahmood, Zahid Ata Cheema, Muhammad Naeem Mushtaq, Muhammad Farooq*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Intercropping is a viable option for weed management. Six maize-sorghum intercropping systems were compared in a two-year field study for the management of purple nutsedge. The intercropping systems included maize planting in 70-cm spaced rows intercropped with one row of dwarf or tall sorghum and maize in 105-cm spaced double-row strips intercropped with one or two rows of dwarf or tall sorghum; sole maize planted in 70-cm spaced single rows was used as a control. Two intercropping systems as maize in 70-cm spaced rows + one row of tall sorghum and maize in 105-cm spaced double-row strips + two rows of tall sorghum controlled purple nutsedge by 48 and 52% compared with the sole crop of maize, respectively. However, all the maize-sorghum intercropping systems decreased the maize grain yield compared with control. Maize planted in 105-cm spaced double-row strips + one row of dwarf sorghum was the best option because it reduced the maize yield by only 6%. However, the decrease in maize yield was compensated for by sorghum yield. Intercropping maize in 105-cm spaced double-row strips + one row of dwarf sorghum may be used for management of purple nutsedge in maize.

Original languageEnglish
Pages (from-to)1279-1288
Number of pages10
JournalArchives of Agronomy and Soil Science
Volume59
Issue number9
DOIs
Publication statusPublished - Sep 2013
Externally publishedYes

Keywords

  • allelopathy
  • competition
  • cropping system
  • grain yield
  • weed management

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Soil Science

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