Effect of plant growth promoting rhizobacteria on coriander (Coriandrum sativum) growth and yield under semi-arid condition of India

Abstract

Experiment was conducted to evaluate the potential of selected plant growth promoting rhizobacteria (PGPR) towards enhancement of growth and yield of coriander crop (Coriandrum sativum L. cv Acr-1) under semi-arid condition in India. Six PGPR isolates showing in-vitro indole acetic acid production and tricalcium phosphate solubilization were the prime targets. These rhizobacterial isolates were evaluated for their ability to promote growth and yield of coriander under open field conditions. Highest seedling vigour index was recorded for B. aerophilus Cor-15 (1178.50) followed by B. megaterium (1125.20) and minimum was observed with control. The maximum total chlorophyll content was assayed with B. subtilis NRCSS-I which was 1.38 mg/g f wt and 1.30 mg/g f wt at 45 and 90 DAS respectively. The highest Pox activity was recorded with B. megaterium ISB28 (4.31 IU/min/g) in coriander shoot tissues at 90 DAS followed by B. aerophilus cor-15. At harvest stage, maximum plant height was recorded with B. aerophilus Cor-15 (84.36cm) which was at par with B. megaterium (82.90 cm). Coriander seed yield ranged from 1128.80 to 1650.94 kg/ha and the maxmum seed yield of 1650.94 kg/ha was recorded with B. aerophilus Cor-15 being at par with B. subtilis strains and the minimum in control. Maximum essential oil yield was recorded with B. megaterium ISB-28 (5.86 l/ha) followed by B. aerophilus Cor-15 (4.64 l/ha) and least was observed with control (3.09 l/ha).

Rhizobacterial mediated interactions in Curcuma longa for plant growth and enhanced crop productivity: a systematic review

“…Auxin synthesising PGPRs have been identified amongst bacterial genera like Agrobacterium, Pantoea, Bacillus, Moraxella, Pseudomonas, Gluconobacter and Micrococcus ( Barazani and Friedman, 1999 ; Liu et al., 2016 ). Inoculation with PGPRs increased IAA production ( Liu et al., 2016 ), root biomass in wheat ( Kudoyarova et al., 2017 ), yield in maize, cotton, canola ( Iqbal et al., 2015 , Iqbal et al., 2023 ; Qureshi et al., 2019 ) as well as certain active components viz essential oils in medicinal and aromatic plants ( Santoro et al., 2011 ; Darzi et al., 2015 ; Santoro et al., 2015 ; Mishra et al., 2017 ). P. fluorescens and Bacillus spp.…”

Abiotic stress tolerance in horticultural crops by phyto-beneficial microbial inoculants: a review

“…Maximum essential oil yield was recorded with B. megaterium ISB-28(5.86 l/ha) followed by B. aerophilus Cor-15 (4.64 l/ha) and least was observed with control (3.09 l/ha). 20 Similarly, native rhizobacteria strains from western semi-arid region of India were evaluated for the growth promotion in Isabgol (Plantago ovata Forsk.) in which the highest seed yield per plant (0.72 g) was observed with B. aryabhattai followed by Azotobacter vinelandi.i 21 Salinity stress is one of the major emerging abiotic causes that prevents plant growth by means of poor seed germination, small seedling growth, reduced vigor and less flowering caused by ionic imbalance, inhibition of mineral and water absorption and this in turn leading to buildup of ethylene hormone in plants.…”

Effects of Light Intensity and Photoperiod on Morphological Development and Photosynthetic Characteristics of Coriander

“…For instance, an outbreak of Shigella sonnei in the U.K., resulting from tainted coriander in April 2018, underscored the importance of stringent health and safety protocols in coriander cultivation, distribution, and preparation [13]. Given these intricate environmental and operational factors that influence coriander yield, there is a pressing need for further research to establish the optimal agronomic parameters to ensure the production of clean and safe coriander [14,15].…”