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231225s1992 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.1992.tb04230.x
|2 doi
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|a DE-627
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|a eng
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| 100 |
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|a Ougham, Helen J
|e verfasserin
|4 aut
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|a Leaf development in Lolium temulentum L.
|b characterization of a slow-to-green mutant
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|c 1992
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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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|2 rdacarrier
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|a Date Revised 20.04.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a A nuclear-gene mutation of the C3 grass Lolium temulentum L., which arose following cell suspension culture and plant regeneration, is manifested as delayed and incomplete greening, which occurs from the leaf tip downwards. Many plastids in the mutant exhibit abnormal morphology when examined by transmission electron microscopy; the plastid outer envelope lacks integrity and thylakoids, while still stacked, are spread over a wide area surrounded by diffuse stromal contents. These aberrant plastids can coexist with apparently normal chloroplasts in the same cell of mutant plants. Levels of chlorophyll a and b, and carotenoids, are all lower in the mutants than in normal Lolium temulentum. Leaf length, absolute growth rate, and number of cells per unit length at the leaf base, are greatly reduced (20-30% the normal values) in slow-to-green plants, but relative growth rate, duration of leaf growth, length of cell division zone and proportion of cells dividing are little affected. This novel mutant is a potentially valuable resource for studying interrelationships between photosynthetic function and leaf extension growth in grasses
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|a Journal Article
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|a Growth analysis
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|a Lolium temulentum
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| 650 |
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|a leaf development
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|a mutant
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| 650 |
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|a plastid abnormalities
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1 |
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|a Thomas, Ann M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Thomas, Barry J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Roberts, Peter C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mutinda, Charles
|e verfasserin
|4 aut
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| 700 |
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|a Hayward, Michael D
|e verfasserin
|4 aut
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| 700 |
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|a Dalton, Susan J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 122(1992), 2 vom: 20. Okt., Seite 261-272
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:122
|g year:1992
|g number:2
|g day:20
|g month:10
|g pages:261-272
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