Funding for this research was provided by:
National Institute of Food and Agriculture (2015-67021-22997)
National Science Foundation of Sri Lanka (1355438)
Received: 6 August 2019
Accepted: 6 February 2020
First Online: 17 February 2020
Ethics approval and consent to participate
: Not applicable.
: All authors agreed to submit this manuscript.
: The authors declare that they have no competing interests.