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Tripartite introductions of PGPR, humic acid, and N-fertilizer improve the growth and yield of sweet potato under glasshouse conditions

This study was undertaken to investigate the effects of plant growth-promoting rhizobacteria (PGPR) with humic acid (HA) as amendments on the morphological and physiological growth characteristics and yield of Sepang Oren sweet potato (Ipomoea batatas [L.] Lam). The experiment was conducted under gl...

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Main Authors: Sadeq, Buraq Musa, Ali Tan, Kee Zuan, Kasim, Susilawati, Alkooranee, Jawadyn Talib, Wong, Mui Yun, Othman, Nur Maizatul Idayu, Akter, Amaily, Chompa, Sayma Serine, Nabayi, Abba, Rahman, Md Ekhlasur
Format: Article
Language:English
Published: Universiti Kebangsaan Malaysia 2024
Online Access:http://psasir.upm.edu.my/id/eprint/111188/1/Buraq%20et%20al.%2C%202024.pdf
http://psasir.upm.edu.my/id/eprint/111188/
https://www.ukm.my/jsm/pdf_files/SM-PDF-53-1-2024/3.pdf
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spelling my.upm.eprints.1111882024-06-22T15:09:52Z http://psasir.upm.edu.my/id/eprint/111188/ Tripartite introductions of PGPR, humic acid, and N-fertilizer improve the growth and yield of sweet potato under glasshouse conditions Sadeq, Buraq Musa Ali Tan, Kee Zuan Kasim, Susilawati Alkooranee, Jawadyn Talib Wong, Mui Yun Othman, Nur Maizatul Idayu Akter, Amaily Chompa, Sayma Serine Nabayi, Abba Rahman, Md Ekhlasur This study was undertaken to investigate the effects of plant growth-promoting rhizobacteria (PGPR) with humic acid (HA) as amendments on the morphological and physiological growth characteristics and yield of Sepang Oren sweet potato (Ipomoea batatas [L.] Lam). The experiment was conducted under glasshouse conditions at the Faculty of Agriculture, Universiti Putra Malaysia, for 110 days. Two factors were used in this experiment: The first factor was PGPR-HA inoculations (UPMB10, UPMRB9, and mixed strains) and non-inoculation-HA, and the second factor was the Nitrogen fertilizer levels (50, 75, and 100%). The treatments were replicated three times and arranged factorially in a randomized complete block design. The results showed that inoculations with PGPRs-HA (UPMRB9 and UPMB10 strains) positively affect the plant growth significantly (SPAD measurements, number of leaves, vine length, root length, leaf area index, root dry weight, shoot dry weight, and root: shoot ratio) of sweet potato upon addition of 50% and 75% of N-fertilizer, respectively. The nutrient content of soil and plant leaf significantly increased by 12-15% and 14-18%, respectively, compared to the uninoculated, when applied with the same inoculation. After 30 days, the population of soil bacteria increased, reaching a value of 8.65 log10 CFU/g soil. The use of PGPR-HA inoculations with N-fertilization resulted in a considerable rise in the majority of plant and soil parameters compared to the treatments without PGPR inoculation. Therefore, PGPR supplemented with humic acid (HA) may be considered a viable and sustainable strategy for enhancing sweet potatoes’ morphological and physiological attributes. This technique can result in increased crop productivity and serve as a substitute for nitrogen-based fertilizers. Universiti Kebangsaan Malaysia 2024 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/111188/1/Buraq%20et%20al.%2C%202024.pdf Sadeq, Buraq Musa and Ali Tan, Kee Zuan and Kasim, Susilawati and Alkooranee, Jawadyn Talib and Wong, Mui Yun and Othman, Nur Maizatul Idayu and Akter, Amaily and Chompa, Sayma Serine and Nabayi, Abba and Rahman, Md Ekhlasur (2024) Tripartite introductions of PGPR, humic acid, and N-fertilizer improve the growth and yield of sweet potato under glasshouse conditions. Sains Malaysiana, 53 (1). pp. 23-37. ISSN 0126-6039 https://www.ukm.my/jsm/pdf_files/SM-PDF-53-1-2024/3.pdf 10.17576/jsm-2024-5301-03
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description This study was undertaken to investigate the effects of plant growth-promoting rhizobacteria (PGPR) with humic acid (HA) as amendments on the morphological and physiological growth characteristics and yield of Sepang Oren sweet potato (Ipomoea batatas [L.] Lam). The experiment was conducted under glasshouse conditions at the Faculty of Agriculture, Universiti Putra Malaysia, for 110 days. Two factors were used in this experiment: The first factor was PGPR-HA inoculations (UPMB10, UPMRB9, and mixed strains) and non-inoculation-HA, and the second factor was the Nitrogen fertilizer levels (50, 75, and 100%). The treatments were replicated three times and arranged factorially in a randomized complete block design. The results showed that inoculations with PGPRs-HA (UPMRB9 and UPMB10 strains) positively affect the plant growth significantly (SPAD measurements, number of leaves, vine length, root length, leaf area index, root dry weight, shoot dry weight, and root: shoot ratio) of sweet potato upon addition of 50% and 75% of N-fertilizer, respectively. The nutrient content of soil and plant leaf significantly increased by 12-15% and 14-18%, respectively, compared to the uninoculated, when applied with the same inoculation. After 30 days, the population of soil bacteria increased, reaching a value of 8.65 log10 CFU/g soil. The use of PGPR-HA inoculations with N-fertilization resulted in a considerable rise in the majority of plant and soil parameters compared to the treatments without PGPR inoculation. Therefore, PGPR supplemented with humic acid (HA) may be considered a viable and sustainable strategy for enhancing sweet potatoes’ morphological and physiological attributes. This technique can result in increased crop productivity and serve as a substitute for nitrogen-based fertilizers.
format Article
author Sadeq, Buraq Musa
Ali Tan, Kee Zuan
Kasim, Susilawati
Alkooranee, Jawadyn Talib
Wong, Mui Yun
Othman, Nur Maizatul Idayu
Akter, Amaily
Chompa, Sayma Serine
Nabayi, Abba
Rahman, Md Ekhlasur
spellingShingle Sadeq, Buraq Musa
Ali Tan, Kee Zuan
Kasim, Susilawati
Alkooranee, Jawadyn Talib
Wong, Mui Yun
Othman, Nur Maizatul Idayu
Akter, Amaily
Chompa, Sayma Serine
Nabayi, Abba
Rahman, Md Ekhlasur
Tripartite introductions of PGPR, humic acid, and N-fertilizer improve the growth and yield of sweet potato under glasshouse conditions
author_facet Sadeq, Buraq Musa
Ali Tan, Kee Zuan
Kasim, Susilawati
Alkooranee, Jawadyn Talib
Wong, Mui Yun
Othman, Nur Maizatul Idayu
Akter, Amaily
Chompa, Sayma Serine
Nabayi, Abba
Rahman, Md Ekhlasur
author_sort Sadeq, Buraq Musa
title Tripartite introductions of PGPR, humic acid, and N-fertilizer improve the growth and yield of sweet potato under glasshouse conditions
title_short Tripartite introductions of PGPR, humic acid, and N-fertilizer improve the growth and yield of sweet potato under glasshouse conditions
title_full Tripartite introductions of PGPR, humic acid, and N-fertilizer improve the growth and yield of sweet potato under glasshouse conditions
title_fullStr Tripartite introductions of PGPR, humic acid, and N-fertilizer improve the growth and yield of sweet potato under glasshouse conditions
title_full_unstemmed Tripartite introductions of PGPR, humic acid, and N-fertilizer improve the growth and yield of sweet potato under glasshouse conditions
title_sort tripartite introductions of pgpr, humic acid, and n-fertilizer improve the growth and yield of sweet potato under glasshouse conditions
publisher Universiti Kebangsaan Malaysia
publishDate 2024
url http://psasir.upm.edu.my/id/eprint/111188/1/Buraq%20et%20al.%2C%202024.pdf
http://psasir.upm.edu.my/id/eprint/111188/
https://www.ukm.my/jsm/pdf_files/SM-PDF-53-1-2024/3.pdf
_version_ 1802978838874947584
score 13.211869

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