Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Arbuscular Mycorrhizal Fungi on Lowland Rice Growth and Yield (Oryza sativa L.) Under Different Farming Practices

K.W.A. Madhushan
ORCID logo ,
Samantha C. Karunarathna
ORCID logo ,
Dissanayake Mudiyanselage Dharmasiri Dissanayake
,
Tikka Devage Chamarika Priyadarshani
,
Steven Lee Stephenson
ORCID logo ,
Abdallah Elgorban
ORCID logo ,
Turki M. Dawoud
,
Alviti Kankanamalage Hasith Priyashantha
ORCID logo ,
Samantha C. Karunarathna
ORCID logo ,
P.N. Yapa
* ,
Xiao-Yan Wang
*
Version 1 : Received: 26 September 2023 / Approved: 26 September 2023 / Online: 28 September 2023 (09:34:23 CEST)

A peer-reviewed article of this Preprint also exists.

Madhushan, K.W.A.; Karunarathna, S.C.; Dissanayake, D.M.D.; Priyadarshani, T.D.C.; Stephenson, S.L.; Elgorban, A.M.; Dawoud, T.M.; Priyashantha, A.K.H.; Dai, D.; Yapa, P.N.; Wang, X. Effect of Arbuscular Mycorrhizal Fungi on Lowland Rice Growth and Yield (Oryza sativa L.) under Different Farming Practices. Agronomy 2023, 13, 2803. Madhushan, K.W.A.; Karunarathna, S.C.; Dissanayake, D.M.D.; Priyadarshani, T.D.C.; Stephenson, S.L.; Elgorban, A.M.; Dawoud, T.M.; Priyashantha, A.K.H.; Dai, D.; Yapa, P.N.; Wang, X. Effect of Arbuscular Mycorrhizal Fungi on Lowland Rice Growth and Yield (Oryza sativa L.) under Different Farming Practices. Agronomy 2023, 13, 2803.

Abstract

In this study, a field experiment was conducted to evaluate the growth and yield responses of Sri Lankan lowland rice (Oryza sativa L.) with the application of beneficial Arbuscular mycorrhizal fungi (AMF) inoculum, and inter-cropping with highly mycorrhizal dependent vetiver grass (Chrysopogon zizanioides L.) under two different soil nutrient management systems (NMSs): conventional/chemical (CNMS) and organic (ONMS). The experiment was designed as a split plot with three blocks. Each CNMS and ONMS experiment included untreated control (T0), and three treatments—AMF inoculation (T1), vetiver intercropping (T2), and the combination of AMF and vetiver (T3). According to the results, colonization of rice roots with AMF was not affected significantly by the treatments and ranged from 0‒15.8%. The effect was very low or absent in the early stage and then higher in the later stages of the rice plant. Furthermore, plant growth was not significantly different between the two NMSs, although grain yield was significantly higher (P < 0.05), with the order T1 (0.45 kg/m2) >T2 (0.42 kg/m2) >T3 (0.41 kg/m2) in CNMS and T2 (0.44 kg/m2) >T1 (0.41 kg/m2) >T3 (0.40 kg/m2), in ONMS than for the respective controls (T0), thus suggesting beneficial utilization of AMF and vetiver in the lowland rice farming system.

Keywords

arbuscular mycorrhizal fungi; bio-fertilizer; vetiver; intercropping

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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