Rice (Oryza sativa. L) genetic diversity for early vigor and drought ...

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Introductionwhether DR affected RGR through tillering or also independently of tillering. Leaf length effects onRGR were at the same time excluded by choosing similar genotypes in this respect. Within thesesubsets of genotypes, the positive correlation between growth and DR was conserved, and it wassimilar among the classes. Consequently, DR had a positive effect on SDW and in particular on RGRindependently of tiller number and leaf size. This was supported by multiple regressions, inflationfactor and ridge regression analyses shown in Table 4, confirming a significant, independent effect ofDR, as well as tiller number and leaf size on RGR. The same analysis performed on Exp1 gave similarresults but at a lower level of correlation (data not presented).Interestingly, for two genotypes (Azucena, a tropical japonica and IR64, an indica) present both inExp1 and Exp2, DR during vegetative growth was near-identical for Azucena in both environments,with 0.0139°Cd -1 +/- 0.0008 in Exp1 vs. 0.0140°Cd -1 (+/- 0.0029) in Exp2. IR64 showed greatervariability of DR between experiments, with 0.0148°Cd -1 (+/- 0.0007) in Exp1 vs. 0.0188°Cd -1 (+/-0.0012) in Exp2 but it always had higher values than Azucena (P
IntroductionRelative Growth Rate (g g -1 °C.d -1 ) Normalized Shoot Dry Weight (g. plant -1 )10864201,0161,0121,008(a)y = -2.94+359.2xR² = 0.19N= 380(c)y = 1+ 2.6x-54.8x²R² = 0.67N=3800,012 0,016 0,020 0,024NBT3 y=--1.1+300xR²=0.17; P
Page 1 and 2: IntroductionMontpellier Supagro2, P
Page 4 and 5: Introductionahora ya puedes decir q
Page 6 and 7: IntroductionTable of contentsAknowl
Page 8 and 9: IntroductionIntroductionCONTEXTHost
Page 10 and 11: IntroductionRice crop performance u
Page 12 and 13: IntroductionEarly vigor was also re
Page 14 and 15: Introductionconsidering traits in a
Page 16 and 17: IntroductionPhotosynthesis is one o
Page 18 and 19: IntroductionThis PhD work focuses t
Page 20 and 21: IntroductionFigure 3. Dry-down expe
Page 22 and 23: IntroductionREFERENCESAsch, F., Sow
Page 24 and 25: IntroductionGlaszmann, J. C., Benoi
Page 26 and 27: IntroductionMcNally, K. L., Childs,
Page 28 and 29: Introductionbiotechnologically and
Page 30 and 31: Introduction30
Page 32 and 33: IntroductionINTRODUCTIONEarly vigor
Page 34 and 35: IntroductionThe underlying hypothes
Page 36 and 37: IntroductionMeasurement of environm
Page 38 and 39: IntroductionRESULTSRange of environ
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Page 42 and 43: IntroductionTable 2: Matrix of corr
Page 46 and 47: Introductiontwo different rice dive
Page 48 and 49: IntroductionCONCLUSIONSThis study t
Page 50 and 51: IntroductionMcNally K, Childs KL. (
Page 52 and 53: IntroductionChapter II : Phenomics
Page 54 and 55: Introductiongrowth (leaf appearance
Page 56 and 57: IntroductionTable 1 Description of
Page 58 and 59: IntroductionFTSW ' AW WPFC WP(Eq.1)
Page 60 and 61: IntroductionIn Eq.5 d and c are the
Page 62 and 63: IntroductionFigure 1 Factorial plan
Page 64 and 65: IntroductionEffect of water deficit
Page 66 and 67: IntroductionRelations between const
Page 68 and 69: IntroductionCorrelations among drou
Page 70 and 71: IntroductionGenotype clustering bas
Page 72 and 73: IntroductionSimilar numbers of vari
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Page 76 and 77: IntroductionADP-glucose pyrophospho
Page 78 and 79: Introductionobserved in well watere
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Page 82 and 83: IntroductionTisne, S., Schmalenbach
Page 84 and 85: IntroductionChapter III : Does earl
Page 86 and 87: Introductionrate (DR, defined as th
Page 88 and 89: IntroductionMean minimum and maximu
Page 90 and 91: Introduction10AM to monitor water l
Page 92 and 93: IntroductionSpearman correlation an
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IntroductionTable 1. Broad sense he
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IntroductionAll drought response va
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IntroductionDo genotype groups havi
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Introductioninvestigated, but none
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IntroductionTable 6 Partial conting
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Introductiong.PT -1cm.leaf rank -13
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Introductionbecause in rapidly expa
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IntroductionThe normalization of TR
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Introductionmonitoring of transpira
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IntroductionKato, Y., Hirotsu, S.,
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IntroductionZhao, D. L., Atlin, G.
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IntroductionSynthesis, discussion a
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Introduction(Phenomics of Rice for
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IntroductionConsequently, as descri
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Introduction Depending on the genot
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Introductionunder well watered cond
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IntroductionDiversity panels can al
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IntroductionRichards, R. A. and Luk
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IntroductionAppendix I Article Luqu
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Introductiontraits (Chapman et al.
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Introductiona- Organ initiation rat
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IntroductionSome model parameters w
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Introductionshow restrained tiller
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IntroductionPlasto:CR (0.730) > SDW
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Introductioneffects on early plant
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Introductionassimilate invested, th
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Introductionsignal state variable.
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IntroductionItoh JI, Hasegawa A, Ki
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IntroductionTABLESTable 3 : list of
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IntroductionTable 3. Stepwise multi
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IntroductionIctMGRPlastoKrespTbKdfE
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IntroductionTDW (g)108642DR = 0.025
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Rice (Oryza sativa. L) genetic diversity for early vigor and drought ...

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