Response of Rhizobacterial strains and organic amendments on chickpea growth

Ahmad, M. Adeel; Khan, Q. U.; Shahzad, H.

doi:10.1590/1519-6984.261908

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Brazilian Journal of Biology

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Original Article • Braz. J. Biol. 82 • 2022 • https://doi.org/10.1590/1519-6984.261908 copy

Response of Rhizobacterial strains and organic amendments on chickpea growth

Resposta de cepas de rizobactérias e alterações orgânicas no crescimento do grão-de-bico

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Plant Growth Promoting Rhizobacteria (PGPR) are beneficial bacteria that colonize plant roots and promote plant growth through a variety of mechanisms such as phosphate solubilization, phytohormones production, antifungal activity and also improve plant growth and yield. Field experiment was carried out to investigate the residual effect of organic amendments plus soil microbes along with integrated nutrient management. (PGPR) are important soil organism that promotes plant growth and yield root colonization is an example of a direct and indirect mechanism. The treatments included control, (inorganic fertilizer and no organic fertilization).Five bacterial strains were identified morphologically and biochemically screened from the rhizospheres of chickpea, lentil, barseem, mungbean, and sesame. The experiment was conducted at the Arid Zone Research Center in D.I.Khan (Pakistan). The majority of isolates resulted in significant increase in shoot length, root length, and dry matter production of Cicer arietinum seedlings' shoot and root. The experiment represented that isolates treated plots with rhizobium strain inoculation resulted in greater plant height (35.000 cm) and nodule count (38.00) No of pods per plant^-1 (44.66) when compared to the control treatment, While (Mesorhizobium cicero) along with organic amendments showed significant response the greater root length (50 cm) was observed in T4 treatment. The Performance of rhizobial strains on chickpea germination in an arid environment was found to significantly increase crop germination percentage. This combination thus increases nitrogen and phosphorus uptake in inoculation treated plots. The study found that plots with inoculation treatments yielded significantly higher than non-treated plots Treatment with Mesorhizobium Cicero and compost resulted in a higher grain yield (8%) as compared to the control. The greater grain yield was observed in Treatment T4 (183.67).The result showed that use of PGPR have the potential to increase nutrient absorption from soil while improved growth of chickpea.

Keywords:
organic amendments; rhizobacteria; chickpea growth and yield

Treatments	Plant height (cm)				No of pods per plant^-1				Root length (cm)				Nodule count				Grain yield kg/ per plot
Treatments	Control	Control	Mungbean straw	Compost	Wheat straw	Mungbean straw	Compost	Wheat straw	Control	Mungbean straw	Compost	Wheat straw	Compost	Mungbean straw	Control	Wheat straw	Control	Mungbean straw	Compost	Wheat straw
T1	23.33 d	30.33 ab	23.33 d	28.66 ab	23.33gh	30.66 cd	31.33 cd	34.00 bc	25.33 g	33.33 de	32.33 ef	29.33 fg	21.66 ij	23.00 hj	20.00 j	27.33 ei	129.00 de	140.67 de	158.67 ab	143.00 ab
T2	27.00 bc	32.00 ab	31.33 ab	31.00 ab	41.33ab	34.33 bc	36.33 ab	23.00 h	43.00 ab	39.00 bc	37.66 cd	47.66 ab	31.66 cg	25.33 gj	27.00 fi	35.33 abc	132.00 cd	179.00 ab	132.00 cd	127.00 de
T3	30.33 ab	32.00 ab	30.33 ab	31.33 ab	33.00 bc	34.33 bc	38.33 ab	42.00 ab	37.33 cd	38.66 bc	41.66 ab	44.00 ab	33.66 bc	23.33 hi	32.00 cf	34.00 ad	167.00 ab	164.33 ab	128.00 de	111.67 e
T4	34.33 ab	34.66 ab	35.00 a	35.00 a	32.66 bc	24.33 fg	27.00 de	44.66 a	46.66 ab	40.00 bc	43.33 ab	41.00 bc	35.00 ad	26.66 fi	31.00 cg	38.66 ab	134.33 bc	179.67 a	127.00 de	153.33 ab
T5	28.33 ab	32.66 ab	31.33 ab	32.66 ab	29.66 cd	25.33 ef	26.33 ef	40.33 ab	47.66 ab	42.00 ab	44.66 abc	43.66 ab	36.00 ac	28.66 dh	32.33 bf	36.00 ac	131.33 cd	141.67 ae	138.00 ab	176.33 ab
T6	30.66 ab	31.66 ab	31.333 ab	31.66 ab	31.33 cd	24.33 fgh	27.33	32.33 bc	49.66 ab	43.33 ab	46.33 ab	52.66 a	32.66 bf	25.33 gj	28.66 dh	35.66 ac	129.60 de	148.00 ab	136.33 ab	141.67 ab

Treatments	Plant dry weight (g)				Plant fresh weight (g)
Treatments	Wheat straw	Mungbean straw	Compost	Control	Wheat straw	Mungbean straw	compost	Control
T1	6.00 ab	7.66 ab	8.33ab	7.66 ab	17.66 e	30.66 bc	25.33 cd	26.33 cd
T2	8.33 ab	8.33 ab	7.33 ab	7.66 ab	22.66 de	23.66 de	34.33 ab	40.33 a
T3	7.00 ab	7.66 ab	7.66 ab	8.66 a	21.33 de	25.00 cd	23.66 de	21.33 de
T4	7.00 ab	7.33 ab	7.33 ab	9.00 a	37.66 ab	22.00 de	25.33 cd	22.66 de
T5	7.00 ab	7.33 ab	7.33 ab	9.00 a	22.66 de	21.66 de	19.66 e	25.66 cd
T6	7.00 ab	7.33 ab	7.66 ab	8.66 a	20.66 e	23.66 de	21.00 e	22.33 de
LSD	2.1693					9.6057

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