Indian Journal of Agricultural Research
SCOPUSWeb of Science
  • Year: 2019
  • Volume: 53
  • Issue: 2

Tolerance mechanisms of Indonesian plant varieties of yardlong beans (Vigna unguiculata sub sp. sesquipedalis) against drought stress

  • Author:
  • M.W. Lestari, N. Arfarita, A. Sharma1, B. Purkait2
  • Total Page Count: 5
  • Page Number: 223 to 227

1Indian Institute of Technology, Kharagpur, West Bengal, India

2Department of Biochemistry, Midnapore Medical College, West bengal, India

Faculty of Agriculture, University of Islam Malang, East Java, Indonesia

*Corresponding author's e-mail: mwlestari@unisma.ac.id

Online published on 7 May, 2019.

Abstract

Plants that experience drought stress protects themselves through several mechanisms namely avoidance, tolerance, recovery, and escape. Eight varieties of yardlong bean plants were subjected to a drought stress at the rates of 50% of the field capacity (FC) and 100% of the field capacity (FC). The results showed that yardlong bean plants possessed the mechanisms of escape, demonstrated by the increase in Peroxidase (POX) enzyme activity. Avoidance was demonstrated by the reduced evapotranspiration surface of the decreased leaf surface area, and the increased number of closed stomata. Tolerance was demonstrated by the increased proline accumulation.

Keywords

Avoidance, Drought stress, Escape, Indonesian yardlong beans, Tolerance