Abstract
The use of high quality sowing material is the fundamental condition for good yielding of crop plants. One of new, unconventional methods of seed quality improvement is low-frequency variable magnetic field. It has been found that this physical factor has a favourable effect on seed germination, emergence and growth of many crop plants. The objective of the study was to determine the effect of low-frequency magnetic field (LFMF) on the germination of radish seeds, with particular emphasis on old seeds. The experimental material were seeds of 7 lots of radish cv. ‘Mila’, with germination capacity of 66.5–92.5%. The age of the seeds was from 1 to 8 years. Seeds from all the lots were treated with variable magnetic field with frequency of 50 Hz, at 3 doses of magnetic induction as follows: 0 (control), 30 and 60 mT for 30 seconds. Then, the seed germination energy and capacity were determined, as well as the length of the hypocotyl and of the radicle of the seedling, dry weight of seedling, and emergence and mean time of emergence. The low frequency magnetic field exposure (30 and 60 mT) improved radish seed germination energy and capacity of every old seed lot. The increase of germination energy of old seeds amounted to 12.3–19.2%, and the increase of germination capacity was 5.8–10%. Magnetic field stimulation caused the increase of germination energy for 3 out of 4 seed lots of high quality but did not affect the improvement of germination capacity of those lots. No significant effect of magnetic field of seeds on the hypocotyl and radicle elongation was observed with the exception of 1 out of the 7 seed lots. For the 2 old seed lots out of the 3 total, magnetic field treatment caused the increase of emergence by 4.4–13.0%.
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Claims 6
Claim · model-written summary
Magnetic exposure increased germination energy of every old radish seed lot by 12.3–19.2%.
- Taxon
- radish
Raphanus sativust0 - Treatment
- germination energy of old seedse0
- Outcome
- germination energye0
- Direction
- increasee0
- Value
- 12.3–19.2%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increase of germination energy of old seeds amounted to 12.3–19.2%”
t0“RADISH”
Claim · model-written summary
Magnetic exposure increased germination capacity of old seed lots by 5.8–10%.
- Taxon
- radishRaphanus sativust0
- Outcome
- germination capacitye0
- Direction
- increasee0
- Value
- 5.8–10%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the increase of germination capacity was 5.8–10%”
t0“RADISH”
Claim · model-written summary
Magnetic stimulation increased germination energy in three of four high-quality seed lots.
- Taxon
- radishRaphanus sativust0
- Treatment
- Magnetic field stimulatione0
- Outcome
- germination energye0
- Direction
- increasee0
- Value
- 3 out of 4 seed lotse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Magnetic field stimulation caused the increase of germination energy for 3 out of 4 seed lots of high quality”
t0“RADISH”
Claim · model-written summary
Magnetic stimulation did not improve germination capacity of high-quality lots.
- Taxon
- radishRaphanus sativust0
- Outcome
- germination capacitye0
- Direction
- did not affecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“did not affect the improvement of germination capacity of those lots”
t0“RADISH”
Claim · model-written summary
Magnetic exposure generally had no significant effect on hypocotyl and radicle elongation, except one seed lot.
- Taxon
- radishRaphanus sativust0
- Outcome
- hypocotyl and radicle elongatione0
- Direction
- No significant effecte0
- Qualifier
- with the exception of 1 out of the 7 seed lotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No significant effect of magnetic field of seeds on the hypocotyl and radicle elongation was observed with the exception of 1 out of the 7 seed lots”
t0“RADISH”
Claim · model-written summary
Magnetic treatment increased emergence by 4.4–13.0% in two old seed lots.
- Taxon
- radishRaphanus sativust0
- Treatment
- magnetic field treatmente0
- Outcome
- emergencee0
- Direction
- increasee0
- Value
- 4.4–13.0%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For the 2 old seed lots out of the 3 total, magnetic field treatment caused the increase of emergence by 4.4–13.0%”
t0“RADISH”
The same questions in other papers
magnetic · growth · Raphanus sativus (radish)Results differ
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- negative
- no effect
- positive
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- negative
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See all 15 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.