The Effect of Genetically Based Differences in Seed Size on Seedling Survival in Arabidopsis thaliana (Brassicaceae)

Krannitz, Pam G.; Aarssen, Lonnie W.; Dow, J. M.

doi:10.2307/2444967

Cited by 45 publications

(23 citation statements)

References 17 publications

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“…Because seed size has been found to be correlated positively with seedling survival in A. thaliana [49] and other species [50], we also quantified effects on mean seed mass. Survival until fruit maturation (0 or 1) and the number of fruits produced by reproducing plants were recorded at fruit maturation.…”

Section: Methodsmentioning

confidence: 99%

Magnitude and Timing of Leaf Damage Affect Seed Production in a Natural Population of Arabidopsis thaliana (Brassicaceae)

Akiyama

Ågren

2012

PLoS ONE

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BackgroundThe effect of herbivory on plant fitness varies widely. Understanding the causes of this variation is of considerable interest because of its implications for plant population dynamics and trait evolution. We experimentally defoliated the annual herb Arabidopsis thaliana in a natural population in Sweden to test the hypotheses that (a) plant fitness decreases with increasing damage, (b) tolerance to defoliation is lower before flowering than during flowering, and (c) defoliation before flowering reduces number of seeds more strongly than defoliation during flowering, but the opposite is true for effects on seed size.Methodology/Principal FindingsIn a first experiment, between 0 and 75% of the leaf area was removed in May from plants that flowered or were about to start flowering. In a second experiment, 0, 25%, or 50% of the leaf area was removed from plants on one of two occasions, in mid April when plants were either in the vegetative rosette or bolting stage, or in mid May when plants were flowering. In the first experiment, seed production was negatively related to leaf area removed, and at the highest damage level, also mean seed size was reduced. In the second experiment, removal of 50% of the leaf area reduced seed production by 60% among plants defoliated early in the season at the vegetative rosettes, and by 22% among plants defoliated early in the season at the bolting stage, but did not reduce seed output of plants defoliated one month later. No seasonal shift in the effect of defoliation on seed size was detected.Conclusions/SignificanceThe results show that leaf damage may reduce the fitness of A. thaliana, and suggest that in this population leaf herbivores feeding on plants before flowering should exert stronger selection on defence traits than those feeding on plants during flowering, given similar damage levels.

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Section: Methodsmentioning

confidence: 99%

Magnitude and Timing of Leaf Damage Affect Seed Production in a Natural Population of Arabidopsis thaliana (Brassicaceae)

Akiyama

Ågren

2012

PLoS ONE

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“…Seed size reflects maternal environment, since it is influenced by resource availability (Krannitz et al, 1999;Wulff et al, 1999) and the environmental conditions to which the mother plant was exposed during seed formation (Vaughton and Ramsey, 1998). Large seeds have a better performance than small seeds, especially under competitive conditions (Eriksson, 1999;Moles and Westoby, 2004).…”

Section: Introductionmentioning

confidence: 99%

Effects of seed size and aging on field performance of lentil (Lens culinaris Medik.) under different irrigation treatments

Ghassemi‐Golezani

Chadordooz-Jeddi

Zehtab‐Salmasi

2015

AAS

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A sub-sample of lentil (Lens culinaris 'Kimia') seeds was kept as bulk (S 1 ) and another sample was separated to large (S 2 ) and small (S 3 ) seeds. A sub-sample of each size was kept as control or high vigor seed lot (A 1 ) and the two other subsamples were artificially aged for 2 and 4 days (A 2 and A 3 , respectively). Field performance of these seeds was evaluated during 2011 and 2012. Yield components and grain yield of lentil decreased with decreasing water availability. The highest yield components (except 1000 grain weight) and grain yield per unit area were obtained by plants from large seeds. The superiority of plants from large seeds in grain yield was more evident under limited irrigations than under well watering. Seed aging resulted in poor stand establishment and consequently low grain yield per unit area. Plants from aged large seeds showed the lowest reduction in grain yield per unit area, compared with those from aged small and bulk seeds. It seems that cultivation of large seeds somehow can reduce the deleterious effects of drought stress and seed aging on grain yield per unit area of lentil. Semena navadne leče (Lens culinaris 'Kimia') so bila pred setvijo razdeljena na večji podvzorec (S 1 ) in manjšega, ki je bil razdeljen na velika (S 2 ) in mala (S 3 ) semena. Podvzorec semen vseh velikost je bil vzet kot kontrola, oziroma kot vitalna semena (A 1 ), ostala dva podvzorca semen sta bila umetno starana 2 in 4 dni (A 2 in A 3 , vzorca). Uspevanje semen je bilo v poljskem poskusu ovrednoteno v sezonah 2011 in 2012. Komponente pridelka in pridelka zrnja leče so upadale z zmanjševanjem dostopnosti vode. Največje vrednosti komponent pridelka (razen mase 1000 zrn) in pridelka zrnja na enoto površine so bile dosežene z rastlinami iz velikih semen. Superiornost rastlin iz velikih semen v pridelku zrnja je bila še bolj očitna v razmereh omejenega namakanja v primerjavi z dobro zalitimi rastlinami. Staranje semen je povzročilo slabšo vzpostavitev sestoja posevka in posledično manjši pridelek zrnja na enoto površine. Rastline iz velikih semen so imele manjše zmanjšanje pridelka na enoto površine v primerjavi s tistimi iz staranih manjših semen in semen enotnega vzorca. Izgleda, da setev velikih semen pri navadni leči nekako zmanjša škodljive učinke sušnega stresa in staranja semen na pridelku zrnja na enoto površine.Ključne besede: pridelek zrnja, navadna leča, staranje semen, velikost semen, sušni stres

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“…availability (Sultan, 1996;Krannitz et al, 1999;Wulff et al, 1999) and environmental stresses influencing the mother plant's conditions during seed formation (Wolfe, 1995;Sultan, 1996;Vaughton and Ramsey, 1998). Seed size has been observed to be an adaptive trait associated with environmental variables such as latitude (Yakimowski and Eckert, 2007), altitude (Yamada and Miyaura, 2005), temperature (Murray et al, 2004) and water availability (Parciak, 2002) but also with dispersal strategy and growth form (Moles and Westoby, 2004a).…”

Section: Introductionmentioning

confidence: 99%

Population differences in juvenile survival under increasing drought are mediated by seed size in cork oak (Quercus suber L.)

Ramírez‐Valiente

Valladares

Gil

et al. 2009

Forest Ecology and Management

117

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The Effect of Genetically Based Differences in Seed Size on Seedling Survival in Arabidopsis thaliana (Brassicaceae)

Cited by 45 publications

References 17 publications

Magnitude and Timing of Leaf Damage Affect Seed Production in a Natural Population of Arabidopsis thaliana (Brassicaceae)

Magnitude and Timing of Leaf Damage Affect Seed Production in a Natural Population of Arabidopsis thaliana (Brassicaceae)

Effects of seed size and aging on field performance of lentil (Lens culinaris Medik.) under different irrigation treatments

Population differences in juvenile survival under increasing drought are mediated by seed size in cork oak (Quercus suber L.)

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