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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2022.111543
|2 doi
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|a pubmed25n1164.xml
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|a (PII)S0168-9452(22)00368-5
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|a eng
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1 |
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|a Pei, Yan-Yan
|e verfasserin
|4 aut
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|a Effects of high air temperature, drought, and both combinations on maize
|b A case study
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 17.01.2023
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|a Date Revised 17.01.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023. Published by Elsevier B.V.
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|a High air temperature (HAT) and natural soil drought (NSD) have seriously affected crop yield and frequently take place in a HAT-NSD combination. Maize (Zea mays) is an important crop, thermophilic but not heat tolerant. In this study, HAT, NSD, and HAT-NSD effects on maize inbred line Huangzao4 -were characterized. Main findings were as follows: H2O2 and O- accumulated much more in immature young leaves than in mature old leaves under the stresses. Lateral roots were highly distributed near the upper pot mix layers under HAT and near root tips under HAT-NSD. Saccharide accumulated mainly in stressed root caps (RC) and formed a highly accumulated saccharide band at the boundary between RC and meristematic zone. Lignin deposition was in stressed roots under NSD and HAT-NSD. Chloroplasts increased in number and formed a high-density ring around leaf vascular bundles (VB) under HAT and HAT-NSD, and sparsely scattered in the peripheral area of VBs under NSD. The RC cells containing starch granules were most under NAD-HAT but least under HAT. Under NSD and HAT-NSD followed by re-watering, anther number per tassel spikelet reduced to 3. These results provide multiple clues for further distinguishing molecular mechanisms for maize to tolerate these stresses
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|a Journal Article
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|a Anatomical changes
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|a Hydrotropism
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|a Maize
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|a Plasticity and differences of resistance
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|a Response to abiotic stresses
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|a Root cap and Casparian strip
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|a Hydrogen Peroxide
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|a Lei, Ling
|e verfasserin
|4 aut
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|a Fan, Xian-Wei
|e verfasserin
|4 aut
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| 700 |
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|a Li, You-Zhi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 327(2023) vom: 15. Feb., Seite 111543
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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|g volume:327
|g year:2023
|g day:15
|g month:02
|g pages:111543
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|u http://dx.doi.org/10.1016/j.plantsci.2022.111543
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