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Salinity reduced growth PS2 photochemistry and chlorophyll content in radish Scientia Agricola
Jamil,Muhammad; Rehman,Shafiq ur; Lee,Kui Jae; Kim,Jeong Man; Kim,Hyun-Soon; Rha,Eui Shik.
When plants are grown under saline conditions, photosynthetic activity decreases leading to reduced plant growth, leaf area, chlorophyll content and chlorophyll fluorescence. Seeds and seedlings of radish (Raphanus sativus L.) were grown in NaCl solutions under controlled greenhouse conditions. The NaCl concentrations in complete nutrient solutions were 0 (control), 4.7, 9.4 and 14.1 dS m-1. The salinity reduced germination percentage and also delayed the germination rate as the salt level increased. Lengths and fresh weights of root and shoot decreased with the increasing salt concentration. Furthermore, photochemical efficiency of PS2 (Fv/Fm), photochemical quenching coefficient (qP), non photochemical quenching coefficient (qN), leaf area and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Raphanus sativus L.; Plant growth; Photosynthesis; Leaf area.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162007000200002
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Genetic analysis of wheat grains using digital imaging and their relationship to enhance grain weight Scientia Agricola
Ali,Ahmad; Ullah,Zahid; Alam,Naveed; Naqvi,S.M. Saqlan; Jamil,Muhammad; Bux,Hadi; Sher,Hassan.
ABSTRACT: Phenomic characterization through digital imaging (DI) can capture the three dimensional variation in wheat grain size and shape using different image orientations. Digital imaging may help identifying genomic regions controlling grain morphology using association mapping with simple sequence repeats (SSRs) markers. Accordingly, seed shape phenotypic data of a core collection of 55 wheat genotypes, previously characterized for osmotic and drought tolerance, were produced using computer based Smart grain software. Measured dimensions included seed volume, area, perimeters, length, width, length to width ratio, circularity, horizontal deviation from ellipse (HDEV), vertical deviation from ellipse (VDEV), factor form density (FFD) etc. The thousand...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Synthetic derived bread wheats; Seed digital imaging; Path analysis; Marker-trait association.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162020000601101
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