Impact of seed priming on vigour in onion (Allium cepa  L.)  seeds

Muruli, C N; Bhanuprakash, K.; Channakeshava, B. C.

doi:10.37855/jah.2016.v18i01.15

Cited by 8 publications

(5 citation statements)

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“…Hormonal priming and biopriming were proved to increase seed viability under one-year storage [48]. Muruli and co-workers [49] reported that in aged seeds of the Arka Kalyan cultivar germination was improved by osmopriming with PEG (−1.5 MPa) whereas fresh seeds were more responsive to GA 3mediated hormonal priming. These authors underline the different effects of the tested priming agents observed in fresh and aged onion seeds, respectively, and the need to expand the range of protocols to speed the search for the most cost-effective solutions [49].…”

Section: Onionmentioning

confidence: 99%

“…Muruli and co-workers [49] reported that in aged seeds of the Arka Kalyan cultivar germination was improved by osmopriming with PEG (−1.5 MPa) whereas fresh seeds were more responsive to GA 3mediated hormonal priming. These authors underline the different effects of the tested priming agents observed in fresh and aged onion seeds, respectively, and the need to expand the range of protocols to speed the search for the most cost-effective solutions [49]. Onion has become a useful component of the recently developed green nanotechnology for sustainable precision agriculture [50].…”

Section: Onionmentioning

confidence: 99%

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Seed Priming Applied to Onion-Like Crops: State of the Art and Open Questions

Pagano¹,

Macovei²,

Xia

et al. 2023

Agronomy

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Cultivation of onion and onion-like crops has become a challenge in the context of climate change and innovative solutions are needed to support breeders as well as farmers, starting from the crucial issues of seed quality. Seed priming is routinely used to enhance germination performance and seedling resilience. Although common for radish, tomato, carrot or head cabbage seeds, the technique has been less popular for onion-like crops. This review provides a state-of-the-art picture of the scientific and technological advances that have so far contributed to enhance seed germination and vigour in onion-like crops. A brief description of the different types of priming approaches is provided whereas attention is focused on the following: (i) the impact of seed priming in terms of improved germination, seedling development and resilience to environmental stresses; (ii) the concept of seed quality hallmarks translated from model plants to the genus Allium; (iii) the drawbacks that currently impair the fully exploitation of seed priming in this specific sector of the agrifood chain.

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Section: Onionmentioning

confidence: 99%

Section: Onionmentioning

confidence: 99%

Seed Priming Applied to Onion-Like Crops: State of the Art and Open Questions

Pagano¹,

Macovei²,

Xia

et al. 2023

Agronomy

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show abstract

“…Priming using GA3 has been known as an alternative in activating germination metabolism and physiological processes during plant growth (Dotto and Silva, 2017). Research conducted by Muruli et al (2016) GA3 on shallot plants found positive results. The growth performance of shallot seeds at a GA3 concentration of 50 ppm was recorded to increase significantly compared to the control.…”

Section: Introductionmentioning

confidence: 99%

March 2024

2024

Aust J Crop Sci

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This study aimed to evaluate and analyze the effect of priming using GA3 on the growth of various shallot varieties from seeds. This pot study was conducted at Exfarm, Faculty of Agriculture, Hasanuddin University from July to September 2022. The research was arranged in factorial with a randomized complete block design (RCBD) with two treatment factors. The first factor was seed priming consisting of control or no priming (S0), priming with water (S1), 25 mg L -1 GA3 (S2), 50 mg L -1 GA3 (S3) and 75 mg L -1 GA3 (S4). The second factor is the variety consisting of Tuk-Tuk (v1), Sanren F1 (v2), Lokananta (v3), and Maserati (v4). Seed performance testing is carried out by planting prime seeds in pots. Meanwhile, parameters observed included six agronomic parameters and three chlorophyll parameters. The results show that priming with GA3 at concentration of 75 mg L -1 significantly influence the plant height, number of leaves, fresh weight, chlorophyll b content, and total chlorophyll. Variety treatments recorded different responses to various parameters. The Lokananta variety recorded the highest average plant height and dry seedling weight. The Maserati variety recorded the largest average diameter of pseudo stems. Meanwhile, the interaction between GA3 at 75 mg L -1 and the Maserati variety has a significant effect on the root length of shallot seedlings. Then, the interaction between Tuk-Tuk varieties and GA3 75 mg L -1 priming gave the best effect on chlorophyll content.

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“…Many researchers have studied the effects of seed priming on enhancement of germination, morphological characters, yield, etc. [7,8,9,10,11,12,13]. Onion seeds show poor germination with slow growth of seedling and it has a short storage life.…”

Section: Introductionmentioning

confidence: 99%

Seed Quality Enhancement through Different Priming Treatments in Onion (Allium cepa L.)

Awasthi,

Nair,

Pandey

et al. 2023

IJECC

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In a meticulously executed experiment at the Department of Horticulture, College of Agriculture, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur, Madhya Pradesh, during the Rabi season of 2022-23, In the experiment, treatments were arranged in a Factorial Randomized Block Design (FRBD) with two factors concepts. The first factor was mobilized with twelve distinct seed priming treatments i.e.; KNO3 (2%), TiO2 (500ppm), PEG (1MPa), Salicylic acid (50ppm), Pseudomonas (1%), along with water as a control treatment. The second factor assigned to onion varieties i.e., Phule Samarth and B780) Among the findings, the combination of B2A1 (TiO2@ 500 ppm + Phule Samarth) significantly influenced radicle emergence time, while B2A2 (TiO2 @500 ppm + B780) exhibited a noteworthy impact on initial germination counts and final germination counts. Moreover (TiO2 @ 500ppm + B780) recorded distinct effects on plumule length and radicle length. In terms of vigour, variety A2 (B780) demonstrated the highest vigour I with TiO2 @ 500ppm. The results highlighted TiO2 @ 500ppm as the most effective priming agent, with PEG -1Mpa showing less efficacy in promoting seed Vigour II. Additionally, KNO3 @ 2% emerged as a promising agent, and the Phule Samarth variety exhibited a slightly higher mean dry weight compared to B780. Notably, the combination B6A1 (Water + Phule Samarth) resulted in the highest mortality %, while B1A1 (KNO3 @ 2% + Phule Samarth) was particularly associated with intensified pyruvic acid synthesis. Furthermore, the maximum TSS content was observed for B1A1 (KNO3 @ 2% + Phule Samarth), underscoring the intricate interplay between priming and genetic factors.

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Impact of seed priming on vigour in onion (Allium cepa L.) seeds

Cited by 8 publications

References 0 publications

Seed Priming Applied to Onion-Like Crops: State of the Art and Open Questions

Seed Priming Applied to Onion-Like Crops: State of the Art and Open Questions

March 2024

Seed Quality Enhancement through Different Priming Treatments in Onion (Allium cepa L.)

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