Abstract
Abstract Pea (Pisum sativum L.) having capability to harbor plant growth promoting rhizobacteria.The experiment was conducted to examine, the effect of plant growth promoting rhizobacteria (PGPRs) single or in addition with L-tryptophan, a precursor of auxin on production of Pisum sativum L. Experiment was conducted at the vegetable area, Delma Island United Arab Emirates. Seeds of Pisum sativum L.) cultivars viz. Meteor, Alina Pak, Climax and Pea- 2009 were treated with FF-34 (Pantoea sp.), (Burkholderia phytofirmans), FF-34+L-Tryptophan, PsJN PsJN+L-Tryptophan, water (positive control) whereas untreated seeds assisted as control. Data were collected concerning various parameters such as plant emergence percentage, plant height, branches number plant-1, chlorophyll content, days to 1st flowering, days from flowering to 1st pod maturity, number of pods per plant, pod length, seeds number pod-1, fresh and weight of dry plant, harvest index and hundred seed weight. Pea varieties Pea-2009 and Climax excelled over all other varieties for some traits. Among seed treatments FF-34 exhibited better results for maximum parameters. Results signify the role of PGPRs in Pea growth and productivity. Keywords: Inoculation; L-tryptophan; Pisum sativum; Pods maturity; Rhizobacteria http://dx.doi.org/10.19045/bspab.2018.700186
Highlights
34+L-Tryptophan, PsJN PsJN+L-Tryptophan, water whereas untreated seeds assisted as control
Materials and methods The experiment was conducted at Vegetable Seed Area, Delma Island United Arab Emirates 2017-2018, to study the Pea growth, development and production followed by seed inoculation with plant growth promoting rhizobacteria
It is clear from conclusion that plants collected from seeds treated with FF34 gave more plant height (80.75cm) that was statistically at par with FF-34+L-Tryptophan (79.87cm), PsJN (78cm), PsJN +LTryptophan (76.87cm) and H2O soaking (71cm) while, less plant height was observed in control (59.50cm)
Summary
34+L-Tryptophan, PsJN PsJN+L-Tryptophan, water (positive control) whereas untreated seeds assisted as control. Siddiqui and Akhtar [15] reported that use of A. awamori deeply helps in development of plant by increasing NPK uptake and production of chlorophyll. It decreases root decay collar rots in chickpea. Different biological nitrogen fixer have been used by scientists which helps in better production pea crops. FF-34 before in Zea mays they are not applied to peas This trail has been conducted to evaluate the impact of these two plant promoting rhizo bacteria, single or in addition with L-tryptophan on development and production of four different pea cultivars.
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