Abstract
Effects of varying preseed magnetic treatments on growth, chlorophyll pigments, photosynthesis, water relation attributes, fluorescence and levels of osmoprotectants in maize plants were tested under normal and drought stress conditions. Seeds of two maize cultivars were treated with different (T0 [0 mT], T1 [100 mT for 5 min], T2 [100 mT for 10 min], T3 [150 mT for 5 min] and T4 [150 mT for 10 min]) electromagnetic treatments. Drought stress considerably suppressed growth, chlorophyll a and b pigments, leaf water potential, photosynthetic rate (A), stomatal conductance (g(s)) and substomatal CO(2) concentration (C(i)), while it increased leaf glycinebetaine and proline accumulation in both maize cultivars. However, pretreated seeds with different magnetic treatments significantly alleviated the drought-induced adverse effects on growth by improving chlorophyll a, A, E, g(s), C(i) and photochemical quenching and nonphotochemical quenching, while it had no significant effect on other attributes. However, different magnetic treatments negatively affected the g(s) and C(i) particularly in cv. Agaiti-2002 under drought stress conditions. Of all magnetic treatments, 100 and 150 mT for 10 min were most effective in alleviating the drought-induced adverse effects. Overall, preseed electromagnetic treatments could be used to minimize the drought-induced adverse effects on different crop plants.
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Claims 7
Claim · model-written summary
Drought suppressed growth, chlorophyll pigments, water potential, and gas exchange in both cultivars.
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress considerably suppressed growth, chlorophyll a and b pigments, leaf water potential, photosynthetic rate (A), stomatal conductance (g(s)) and substomatal CO(2) concentration (C(i))”
t0“Maize (Zea mays L.)”
Claim · model-written summary
Drought increased leaf glycinebetaine and proline accumulation in both cultivars.
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while it increased leaf glycinebetaine and proline accumulation in both maize cultivars”
t0“Maize (Zea mays L.)”
Claim · model-written summary
Magnetic seed pretreatments significantly alleviated drought effects on growth and improved chlorophyll a, gas exchange, and quenching.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pretreated seeds with different magnetic treatments significantly alleviated the drought-induced adverse effects on growth by improving chlorophyll a, A, E, g(s), C(i) and photochemical quenching and nonphotochemical quenching”
t0“Maize (Zea mays L.)”
Claim · model-written summary
Magnetic treatments had no significant effect on other measured attributes.
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while it had no significant effect on other attributes”
t0“Maize (Zea mays L.)”
Claim · model-written summary
Magnetic treatments negatively affected stomatal conductance and substomatal carbon dioxide in Agaiti-2002 under drought.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“different magnetic treatments negatively affected the g(s) and C(i) particularly in cv. Agaiti-2002 under drought stress conditions”
t0“Maize (Zea mays L.)”
Claim · model-written summary
The 100 and 150 mT treatments for 10 minutes were most effective against drought effects.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“100 and 150 mT for 10 min were most effective in alleviating the drought-induced adverse effects”
t0“Maize (Zea mays L.)”
Claim · model-written summary
The authors suggest preseed electromagnetic treatments to minimize drought damage in crops.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“preseed electromagnetic treatments could be used to minimize the drought-induced adverse effects on different crop plants”
t0“Maize (Zea mays L.)”
The same questions in other papers
drought · physiology: photosynthesis · Zea mays (maize)Positive and negative results
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See all 121 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.