Abstract
Due to ageing of seed over the time, seed loses its vigour and viability, which makes it unfit for sowing and certification. This is of paramount concern in onion which is a poor storer and loses its viability rapidly. Seed quality enhancement of such seed is of utmost requisite, among the different enhancement techniques the cost effective, non-chemical and eco-friendly magnetic field, seems to be promising in modern agriculture. Hence the experiment was conducted at Department of Seed Science and Technology, UAS Dharwad in the Kharif 2023 to find out understand the effect of magnetic field on seed quality and biochemical parameters of aged and low vigour onion with 68 percent germination. Methodology consisted of subjecting the aged onion seeds (6 months old) of variety Bheema Super to magnetic field of different intensities and time periods and were compared with untreated control. Moreover the seeds upon treated with various intensities of magnetic field were subjected to nine months of storage in ambient conditions and the biochemical and seed quality parameters were noted. Data was analysed using CRD with three replications. Amongst the magnetic field treatments, 60mT for 30 minutes was found to be best with enhanced seed quality and biochemical parameters where the germination, speed of germination, Total seedling length, Total dehydrogenase activity and Catalase activity increased by 12, 54.1, 66, 186.45 and 47.47 percent respectively as compared to untreated control. The 60 mT for 30 minutes magnetic field treatment was able to maintain the minimum germination percentage of onion even after nine months of storage. Deleterious effects on seed quality were observed at high intensities of magnetic field treatments. It has been found the effectiveness of magnetic field depends on magnitude as well as duration of exposure. Hence magnetic field can be successfully used to improve the quality of marginal quality seeds of onion.
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Claims 9
Claim · model-written summary
The 60mT for 30 minutes treatment increased germination by 12 percent relative to untreated control.
- Taxon
- onion
Allium cepat0 - Treatment
- 60mT for 30 minutese0
- Outcome
- germinatione0
- Direction
- increasede0
- Value
- 12e0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“60mT for 30 minutes was found to be best with enhanced seed quality and biochemical parameters where the germination, speed of germination, Total seedling length, Total dehydrogenase activity and Catalase activity increased by 12, 54.1, 66, 186.45 and 47.47 percent respectively as compared to untreated control”
t0“onion”
Claim · model-written summary
The treatment increased speed of germination by 54.1 percent.
- Taxon
- onion
Allium cepat0 - Treatment
- 60mT for 30 minutese0
- Outcome
- speed of germinatione0
- Direction
- increasede0
- Value
- 54.1e0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“60mT for 30 minutes was found to be best with enhanced seed quality and biochemical parameters where the germination, speed of germination, Total seedling length, Total dehydrogenase activity and Catalase activity increased by 12, 54.1, 66, 186.45 and 47.47 percent respectively as compared to untreated control”
t0“onion”
Claim · model-written summary
The treatment increased total seedling length by 66 percent.
- Taxon
- onion
Allium cepat0 - Treatment
- 60mT for 30 minutese0
- Outcome
- Total seedling lengthe0
- Direction
- increasede0
- Value
- 66e0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“60mT for 30 minutes was found to be best with enhanced seed quality and biochemical parameters where the germination, speed of germination, Total seedling length, Total dehydrogenase activity and Catalase activity increased by 12, 54.1, 66, 186.45 and 47.47 percent respectively as compared to untreated control”
t0“onion”
Claim · model-written summary
The treatment increased total dehydrogenase activity by 186.45 percent.
- Taxon
- onion
Allium cepat0 - Treatment
- 60mT for 30 minutese0
- Outcome
- Total dehydrogenase activitye0
- Direction
- increasede0
- Value
- 186.45e0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“60mT for 30 minutes was found to be best with enhanced seed quality and biochemical parameters where the germination, speed of germination, Total seedling length, Total dehydrogenase activity and Catalase activity increased by 12, 54.1, 66, 186.45 and 47.47 percent respectively as compared to untreated control”
t0“onion”
Claim · model-written summary
The treatment increased catalase activity by 47.47 percent.
- Taxon
- onion
Allium cepat0 - Treatment
- 60mT for 30 minutese0
- Outcome
- Catalase activitye0
- Direction
- increasede0
- Value
- 47.47e0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“60mT for 30 minutes was found to be best with enhanced seed quality and biochemical parameters where the germination, speed of germination, Total seedling length, Total dehydrogenase activity and Catalase activity increased by 12, 54.1, 66, 186.45 and 47.47 percent respectively as compared to untreated control”
t0“onion”
Claim · model-written summary
The 60 mT for 30 minutes treatment maintained minimum onion germination after nine months of storage.
- Taxon
- onion
Allium cepae0 - Treatment
- 60 mT for 30 minutes magnetic field treatmente0
- Outcome
- germination percentagee0
- Direction
- maintaine0
- Qualifier
- after nine months of storagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The 60 mT for 30 minutes magnetic field treatment was able to maintain the minimum germination percentage of onion even after nine months of storage”
Claim · model-written summary
High magnetic field intensities harmed seed quality.
- Taxon
- onion
Allium cepat0 - Treatment
- high intensities of magnetic field treatmentse0
- Outcome
- seed qualitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Deleterious effects on seed quality were observed at high intensities of magnetic field treatments”
t0“onion”
Claim · model-written summary
Magnetic field effectiveness depended on exposure magnitude and duration.
- Taxon
- onion
Allium cepat0 - Treatment
- magnetic fielde0
- Outcome
- effectiveness of magnetic fielde0
- Qualifier
- magnitude as well as duration of exposuree0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“It has been found the effectiveness of magnetic field depends on magnitude as well as duration of exposure”
t0“onion”
Claim · model-written summary
The authors recommend magnetic field treatment to improve marginal onion seed quality.
- Taxon
- onion
Allium cepae0 - Outcome
- improve the quality of marginal quality seeds of onione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Hence magnetic field can be successfully used to improve the quality of marginal quality seeds of onion”
The same questions in other papers
magnetic · growth · Allium cepa (onion)Positive and negative results
5 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
3 papers more in this group
See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.