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Proline, soluble sugar, leaf starch and relative water contents of four maize varieties in response to different watering regimes

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dc.contributor.author Anjorin, F.B.
dc.contributor.author Adejumo, S.A.
dc.contributor.author Agboola, L.
dc.contributor.author Samuel, Y.D.
dc.date.accessioned 2021-05-10T10:01:53Z
dc.date.available 2021-05-10T10:01:53Z
dc.date.issued 2016-10-31
dc.identifier.citation Anjorin, F.B., S.A. Adejumo, L. Agboola, Y.D. Samuel. 2016. ”Proline, soluble sugar, leaf starch and relative water contents of four maize varieties in response to different watering regimes”. Cercetări Agronomice în Moldova 49 (3): 51-62. DOI: 10.1515/cerce-2016-0025. en_US
dc.identifier.uri https://repository.uaiasi.ro/xmlui/handle/20.500.12811/1182
dc.description.abstract The purpose of this study was to evaluate the response of four maize varieties to different simulated watering regimes in term of proline, starch and soluble sugar contents as well as relative water content. Maize seeds were planted in 64 plastic pots of 20 litre capacity, arranged in a factorial fitted in completely randomized design (CRD), with four replications in the screen house of the Institute of Agricultural Research and Training (I.A.R&T), Moor Plantation Ibadan. The watering was done based on the designated field capacities (FC) of 25, 50, 75 and 100%. Fresh leaf samples were collected five weeks after planting and at the end of each stress period. The proline, soluble sugar, leaf starch and the relative water contents in the leaves were estimated. The results obtained showed that watering regime significantly influenced the leaf starch, soluble sugar, proline and relative water contents. The varieties also differ significantly in the proline, soluble sugar content, leaf starch and the relative water contents. Watering regime and variety interaction was significant for soluble sugar, starch, proline and the relative water content. Highest soluble sugar of 1.28 mg/g and proline of 35.70 μmol/g FW were obtained when FC was 25% and lowest when watering level was optimum. The starch and relative water contents were optimum under full watering (100% FC) and lowest when field capacity was 25%. Variations were observed with regards to different maize varieties. ART98SW6-OB accumulated the highest quantity of soluble sugar and proline under 25 and 50% field capacities alongside DTESYN, which is a drought tolerant maize variety. It could be concluded that water stress increased production of soluble sugar and proline, while water availability increases relative water content and favors starch accumulation. The consideration of these metabolites alongside other physiological features is a very fast and reliable method for drought tolerant plant selection even at the plant seedling growth stage. en_US
dc.language.iso en en_US
dc.publisher "Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary Medicine, Iași en_US
dc.subject field capacity en_US
dc.subject proline en_US
dc.subject starch content en_US
dc.subject soluble sugar en_US
dc.subject relative water content en_US
dc.title Proline, soluble sugar, leaf starch and relative water contents of four maize varieties in response to different watering regimes en_US
dc.type Article en_US
dc.author.affiliation F.B. Anjorin, Institute of Agricultural Research and Training, Obafemi Awolowo University, Ibadan, Nigeria
dc.author.affiliation S.A. Adejumo, Department of Crop Protection & Environmental Biology, University of Ibadan, Nigeria
dc.author.affiliation L. Agboola, Y.D. Samuel, Federal College of Agriculture, Ibadan, Nigeria
dc.publicationName Cercetări Agronomice în Moldova
dc.volume 49
dc.issue 3
dc.publicationDate 2016
dc.startingPage 51
dc.endingPage 62
dc.identifier.eissn 2067-1865
dc.identifier.doi 10.1515/cerce-2016-0025


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