format-version: 1.2
date: 30:05:2007 10:30
saved-by: jdetras
auto-generated-by: OBO-Edit 1.101
default-namespace: MAIZE
remark: created by Jeffrey Detras on May 30, 2007 for the PO/TO workshop.

[Term]
id: GCP_322.0000000
name: CGIAR Maize Trait Ontology

[Term]
id: GCP_322.0000001
name: MaizeDescriptor
is_a: GCP_322.0000000 ! CGIAR Maize Trait Ontology

[Term]
id: GCP_322.0000002
name: cytological characters and identified genes
comment: null
is_a: GCP_322.0000001 ! MaizeDescriptor

[Term]
id: GCP_322.0000003
name: plant data
comment: null
is_a: GCP_322.0000001 ! MaizeDescriptor

[Term]
id: GCP_322.0000004
name: ear data
comment: After harvest, using all ears (4.2.1 - 4.2.2) on at least 20 representative plants per accession
is_a: GCP_322.0000003 ! plant data

[Term]
id: GCP_322.0000005
name: husk cover
comment: null
is_a: GCP_322.0000004 ! ear data

[Term]
id: GCP_322.0000006
name: kernel row arrangement
comment: Use the uppermost ear
is_a: GCP_322.0000004 ! ear data

[Term]
id: GCP_322.0000007
name: number of kernel rows
comment: Count number of kernel rows in the central part of the uppermost ear
is_a: GCP_322.0000004 ! ear data

[Term]
id: GCP_322.0000008
name: ear damage
comment: Amount of ear damage caused by ear rot and/or insects, etc.
is_a: GCP_322.0000004 ! ear data

[Term]
id: GCP_322.0000009
name: kernel data
comment: After harvest
is_a: GCP_322.0000003 ! plant data

[Term]
id: GCP_322.0000010
name: kernel colour
comment: Indicate up to three kernel colours in the order of frequency
is_a: GCP_322.0000009 ! kernel data

[Term]
id: GCP_322.0000011
name: kernel type
comment: Indicate up to three kernel types in the order of frequency
is_a: GCP_322.0000009 ! kernel data

[Term]
id: GCP_322.0000012
name: 1000 kernel weight
comment: Adjusted to 10% moisture content, [g]]
is_a: GCP_322.0000009 ! kernel data

[Term]
id: GCP_322.0000013
name: vegetative
comment: null
is_a: GCP_322.0000003 ! plant data

[Term]
id: GCP_322.0000014
name: days to silking
comment: Number of days from sowing to when silks have emerged on 50% of the plants, (female flowering)
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000015
name: ear height
comment: From ground level to the node bearing the uppermost ear. After milk stage, [cm]]
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000016
name: stalk lodging
comment: Percentage of plants stalk-lodged. Two weeks before harvest
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000017
name: number of leaves above the uppermost ear
comment: Counted on at least 20 representative plants. After milk stage
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000018
name: tassel type
comment: At milk stage
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000019
name: foliage
comment: Rating of total leaf surface. After milk stage. Observed on at least 20 representative plants
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000020
name: days to ear leaf senescence
comment: Number of days from sowing to when 50% of the plants have a dry ear leaf
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000021
name: root lodging
comment: Percentage of plants root-lodged. Two weeks before harvest
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000022
name: days to tasseling
comment: Number of days from sowing to when 50% of the plants have shed pollen, (male flowering)
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000023
name: sheath pubescence
comment: At flowering
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000024
name: tillering index
comment: Number of tillers per plant (average of more than 20 representative plants). At flowering
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000025
name: stem colour
comment: Indicate up to three stem colours in the order of frequency. Observed between the two topmost ears.
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000026
name: plant height
comment: From ground level to the base of the tassel. After milk stage, [cm]]
is_a: GCP_322.0000013 ! vegetative

[Term]
id: GCP_322.0000027
name: biotic stress susceptibility
comment: In each case, it is important to state the origin of the infestation or infection, i.e. natural, field inoculation, laboratory. Record such information in the biotic stress REMARKS descriptor, 8.4
is_a: GCP_322.0000001 ! MaizeDescriptor

[Term]
id: GCP_322.0000028
name: diseases
comment: null
is_a: GCP_322.0000027 ! biotic stress susceptibility

[Term]
id: GCP_322.0000029
name: Diplodia maydis
comment: Causal agent: Ear rot, stalk rot
is_a: GCP_322.0000030 ! ear rot, stalk rot

[Term]
id: GCP_322.0000030
name: ear rot, stalk rot
comment: Diplodia maydis, Gibberella zeae, Fusarium moniliforme
is_a: GCP_322.0000028 ! diseases

[Term]
id: GCP_322.0000031
name: tassel smut
comment: Causal agent: Sphacelotheca reiliana
is_a: GCP_322.0000028 ! diseases

[Term]
id: GCP_322.0000032
name: Sphacelotheca reiliana
comment: Tassel smut
is_a: GCP_322.0000031 ! tassel smut

[Term]
id: GCP_322.0000033
name: tar spot
comment: Causal agent: Phyllachora maydis
is_a: GCP_322.0000028 ! diseases

[Term]
id: GCP_322.0000034
name: Phyllachora maydis
comment: Tar spot
is_a: GCP_322.0000033 ! tar spot

[Term]
id: GCP_322.0000035
name: rust
comment: Causal agent: Puccinia sorghi, Puccinia polysora
is_a: GCP_322.0000028 ! diseases

[Term]
id: GCP_322.0000036
name: Puccinia sorghi
comment: Rust
is_a: GCP_322.0000035 ! rust

[Term]
id: GCP_322.0000037
name: others
comment: (specify in REMARKS descriptor, 8.4)
is_a: GCP_322.0000028 ! diseases

[Term]
id: GCP_322.0000038
name: downy mildew
comment: Causal agent: Peronosclerospora spp., Sclerophthora spp
is_a: GCP_322.0000028 ! diseases

[Term]
id: GCP_322.0000039
name: Peronosclerospora spp.
comment: Downy mildew
is_a: GCP_322.0000038 ! downy mildew

[Term]
id: GCP_322.0000040
name: Helminthosporium maydis
comment: Causal agent: Leaf blight
is_a: GCP_322.0000041 ! leaf blight

[Term]
id: GCP_322.0000041
name: leaf blight
comment: Helminthosporium maydis, Helminthosporium turcicum
is_a: GCP_322.0000028 ! diseases

[Term]
id: GCP_322.0000042
name: smut
comment: Causal agent: Ustilago maydis
is_a: GCP_322.0000028 ! diseases

[Term]
id: GCP_322.0000043
name: Ustilago maydis
comment: Smut
is_a: GCP_322.0000042 ! smut

[Term]
id: GCP_322.0000044
name: remarks
comment: null
is_a: GCP_322.0000027 ! biotic stress susceptibility

[Term]
id: GCP_322.0000045
name: virus and similar aberrations
comment: null
is_a: GCP_322.0000027 ! biotic stress susceptibility

[Term]
id: GCP_322.0000046
name: corn stunt (CSS)
comment: Causal agent: Corn stunt spiroplasma
is_a: GCP_322.0000045 ! virus and similar aberrations

[Term]
id: GCP_322.0000047
name: corn stunt spiroplasma
comment: Corn stunt (CSS)
is_a: GCP_322.0000046 ! corn stunt (CSS)

[Term]
id: GCP_322.0000048
name: others
comment: (specify in REMARKS descriptor, 8.4)
is_a: GCP_322.0000045 ! virus and similar aberrations

[Term]
id: GCP_322.0000049
name: corn streak  (CSV)
comment: Causal agent: Corn streak virus
is_a: GCP_322.0000045 ! virus and similar aberrations

[Term]
id: GCP_322.0000050
name: corn streak virus
comment: Corn streak  (CSV)
is_a: GCP_322.0000049 ! corn streak  (CSV)

[Term]
id: GCP_322.0000051
name: maize dwarf virus  (MDM)
comment: Causal agent: Maize dwarf mosaic virus
is_a: GCP_322.0000045 ! virus and similar aberrations

[Term]
id: GCP_322.0000052
name: maize dwarf mosaic virus
comment: Maize dwarf virus  (MDM)
is_a: GCP_322.0000051 ! maize dwarf virus  (MDM)

[Term]
id: GCP_322.0000053
name: maize bushy stunt  (MBSD)
comment: Causal agent: Maize bushy stunt mycoplasma
is_a: GCP_322.0000045 ! virus and similar aberrations

[Term]
id: GCP_322.0000054
name: maize bushy stunt mycoplasma
comment: Maize bushy stunt  (MBSD)
is_a: GCP_322.0000053 ! maize bushy stunt  (MBSD)

[Term]
id: GCP_322.0000055
name: fine striping disease (MRFV)
comment: Causal agent: Maize fine stripe virus
is_a: GCP_322.0000045 ! virus and similar aberrations

[Term]
id: GCP_322.0000056
name: maize fine stripe virus
comment: Fine striping disease (MRFV)
is_a: GCP_322.0000055 ! fine striping disease (MRFV)

[Term]
id: GCP_322.0000057
name: pests
comment: null
is_a: GCP_322.0000027 ! biotic stress susceptibility

[Term]
id: GCP_322.0000059
name: Chilo spp.
comment: Borer
is_a: GCP_322.0000073 ! borer

[Term]
id: GCP_322.0000060
name: grain borer
comment: Causal agent: Prostephanus
is_a: GCP_322.0000057 ! pests

[Term]
id: GCP_322.0000061
name: Prostephanus
comment: Grain borer
is_a: GCP_322.0000060 ! grain borer

[Term]
id: GCP_322.0000063
name: Busseola spp
comment: Borer
is_a: GCP_322.0000073 ! borer

[Term]
id: GCP_322.0000064
name: Heliothis armigera
is_a: GCP_322.0000075 ! ear worm

[Term]
id: GCP_322.0000065
name: Ostrinia spp
comment: Borer
is_a: GCP_322.0000073 ! borer

[Term]
id: GCP_322.0000066
name: weevil
comment: Causal agent: Sitophilus spp.
is_a: GCP_322.0000057 ! pests

[Term]
id: GCP_322.0000067
name: Sitophilus spp.
comment: Weevil
is_a: GCP_322.0000066 ! weevil

[Term]
id: GCP_322.0000068
name: others
comment: (specify in REMARKS descriptor, 8.4)
is_a: GCP_322.0000057 ! pests

[Term]
id: GCP_322.0000069
name: armyworm
comment: Causal agent: Spodoptera spp.
is_a: GCP_322.0000057 ! pests

[Term]
id: GCP_322.0000070
name: Spodoptera spp.
comment: Armyworm
is_a: GCP_322.0000069 ! armyworm

[Term]
id: GCP_322.0000071
name: root worm
comment: Causal agent: Diabrotica spp
is_a: GCP_322.0000057 ! pests

[Term]
id: GCP_322.0000072
name: Diabrotica spp.
comment: Root worm
is_a: GCP_322.0000071 ! root worm

[Term]
id: GCP_322.0000073
name: borer
comment: Causal agent: Sesamia spp
is_a: GCP_322.0000057 ! pests

[Term]
id: GCP_322.0000074
name: Sesamia spp
comment: Borer
is_a: GCP_322.0000073 ! borer

[Term]
id: GCP_322.0000075
name: ear worm
comment: Causal agent: Heliothis zea, Heliothis armigera
is_a: GCP_322.0000057 ! pests

[Term]
id: GCP_322.0000076
name: Heliothis zea
comment: Ear worm
is_a: GCP_322.0000075 ! ear worm

[Term]
id: GCP_322.0000078
name: Diatrea spp
comment: Borer
is_a: GCP_322.0000073 ! borer

[Term]
id: GCP_322.0000079
name: site data
comment: null
is_a: GCP_322.0000001 ! MaizeDescriptor

[Term]
id: GCP_322.0000080
name: country of further characterization
comment: (See instructions in COUNTRY OF COLLECTION, 2.4)
is_a: GCP_322.0000079 ! site data

[Term]
id: GCP_322.0000081
name: site
comment: (Research institute)
is_a: GCP_322.0000079 ! site data
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000082
name: latitude
comment: (See format under 2.7)
is_a: GCP_322.0000081 ! site

[Term]
id: GCP_322.0000083
name: longitude
comment: (See format under 2.8)
is_a: GCP_322.0000081 ! site

[Term]
id: GCP_322.0000084
name: altitude
comment: (See instructions in 2.9)
is_a: GCP_322.0000081 ! site

[Term]
id: GCP_322.0000085
name: soil pH
comment: null
is_a: GCP_322.0000079 ! site data
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000086
name: name of person in charge of evaluation
comment: null
is_a: GCP_322.0000079 ! site data

[Term]
id: GCP_322.0000087
name: sowing date
comment: (in the form DDMMYYYY)
is_a: GCP_322.0000079 ! site data
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000088
name: evaluation environment
comment: Environment in which further characterization/evaluation was carried out
is_a: GCP_322.0000079 ! site data
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000089
name: notes
comment: Any additional information may be specified here
is_a: GCP_322.0000079 ! site data
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000090
name: soil type
comment: null
is_a: GCP_322.0000079 ! site data
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000091
name: harvest date
comment: (in the form DDMMYYYY)
is_a: GCP_322.0000079 ! site data
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000092
name: monthly rainfall
comment: null, [mm]]
is_a: GCP_322.0000079 ! site data
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000093
name: site data
comment: null
is_a: GCP_322.0000001 ! MaizeDescriptor

[Term]
id: GCP_322.0000094
name: country of characterization
comment: null
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000100
name: name of person in charge of characterization
comment: null
is_a: GCP_322.0000093 ! site data

[Term]
id: GCP_322.0000107
name: plant data
comment: null
is_a: GCP_322.0000001 ! MaizeDescriptor

[Term]
id: GCP_322.0000108
name: ear data
comment: Observe, when applicable, on at least 20 representative plants per accession. After harvest
is_a: GCP_322.0000107 ! plant data

[Term]
id: GCP_322.0000109
name: grain shedding
comment: null, [%]]
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000110
name: number of bracts
comment: null
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000111
name: cob diameter
comment: null, [cm]]
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000112
name: rachis diameter
comment: null, [cm]]
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000113
name: cob colour
comment: null
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000114
name: number of kernels per row
comment: null
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000115
name: peduncle length
comment: null, [cm]]
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000116
name: ear diameter
comment: Measured at the central part of the uppermost ear, [cm]]
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000117
name: prolificacy index
comment: Divide the total number of ears by the total number of more than 20 plants
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000118
name: ear length
comment: null, [cm]]
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000119
name: shape of uppermost ear
comment: null
is_a: GCP_322.0000108 ! ear data

[Term]
id: GCP_322.0000120
name: notes
comment: Any additional information may be specified here
is_a: GCP_322.0000107 ! plant data

[Term]
id: GCP_322.0000121
name: vegetative
comment: null
is_a: GCP_322.0000107 ! plant data

[Term]
id: GCP_322.0000122
name: total number of leaves per plant
comment: After flowering
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000123
name: venation index
comment: Divide the number of veins mid-way along the ear leaf by the leaf width (6.1.3)
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000124
name: growing degree units to male flowering
comment: When 50% of the plants have flowered
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000125
name: growing degree units to female flowering
comment: Emergence in 50% of the plants, (GDU)
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000126
name: stay green
comment: Estimate using more than 20 plants per accession. At maturity
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000127
name: leaf width
comment: Mid-way along its length. Measured on the same leaf as 6.1.2, [cm]
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000128
name: tassel length
comment: After milk stage, [cm]]
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000129
name: tassel branching space
comment: Distance between the first and last primary branches. After milk stage, [cm]]
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000130
name: number of primary branches on tassel
comment: After milk stage
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000131
name: leaf length
comment: From ligule to apex. Measure the leaf which subtends the uppermost ear. After flowering, [cm]]
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000132
name: tassel size
comment: After milk stage. This descriptor can be used as an alternative to 6.1.8 through 6.1.13
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000133
name: number of secondary branches on tassel
comment: After milk stage
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000134
name: number of tertiary branches on tassel
comment: After milk stage
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000135
name: presence of leaf ligule
comment: After flowering
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000136
name: tassel peduncle length
comment: After milk stage, [cm]]
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000137
name: root volume
comment: After milk stage
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000138
name: leaf orientation
comment: After flowering
is_a: GCP_322.0000121 ! vegetative

[Term]
id: GCP_322.0000139
name: kernel data
comment: Observe, when applicable, on at least 20 representative plants per accession, after harvest
is_a: GCP_322.0000107 ! plant data

[Term]
id: GCP_322.0000140
name: kernel length
comment: Average of 10 consecutive kernels from one row in the middle of the uppermost ear, measured with calliper, [mm]]
is_a: GCP_322.0000139 ! kernel data

[Term]
id: GCP_322.0000141
name: pericarp colour
comment: null
is_a: GCP_322.0000139 ! kernel data

[Term]
id: GCP_322.0000142
name: aleurone colour
comment: null
is_a: GCP_322.0000139 ! kernel data

[Term]
id: GCP_322.0000143
name: endosperm colour
comment: null
is_a: GCP_322.0000139 ! kernel data

[Term]
id: GCP_322.0000144
name: kernel width
comment: Measured on the same 10 kernels as 6.3.1, [mm]]
is_a: GCP_322.0000139 ! kernel data

[Term]
id: GCP_322.0000145
name: kernel thickness
comment: Measured on the same 10 kernels as 6.3.1, [mm]]
is_a: GCP_322.0000139 ! kernel data

[Term]
id: GCP_322.0000146
name: shape of upper surface of kernel
comment: null
is_a: GCP_322.0000139 ! kernel data

[Term]
id: GCP_322.0000147
name: abiotic stress susceptibility
comment: null
is_a: GCP_322.0000001 ! MaizeDescriptor

[Term]
id: GCP_322.0000148
name: notes
comment: Specify any additional information here
is_a: GCP_322.0000147 ! abiotic stress susceptibility

[Term]
id: GCP_322.0000149
name: frost damage susceptibility
comment: State the stage of measurement
is_a: GCP_322.0000147 ! abiotic stress susceptibility

[Term]
id: GCP_322.0000150
name: aluminium toxicity
comment: Reflected in seed yield relative to control
is_a: GCP_322.0000147 ! abiotic stress susceptibility

[Term]
id: GCP_322.0000151
name: low nitrogen
comment: Reflected in seed yield relative to control
is_a: GCP_322.0000147 ! abiotic stress susceptibility

[Term]
id: GCP_322.0000152
name: drought
comment: Reflected in seed yield relative to control
is_a: GCP_322.0000147 ! abiotic stress susceptibility

[Term]
id: GCP_322.0000153
name: low temperature
comment: Seedling emergence
is_a: GCP_322.0000147 ! abiotic stress susceptibility

[Term]
id: GCP_322.0000154
name: biochemical composition
comment: null
is_a: GCP_322.0000001 ! MaizeDescriptor

[Term]
id: GCP_322.0000265
name: Fusarium moniliforme
is_a: GCP_322.0000030 ! ear rot, stalk rot

[Term]
id: GCP_322.0000266
name: Gibberella zeae
is_a: GCP_322.0000030 ! ear rot, stalk rot

[Term]
id: GCP_322.0000267
name: Helminthosporium turcicum
is_a: GCP_322.0000041 ! leaf blight

[Term]
id: GCP_322.0000268
name: Sclerophthora spp.
is_a: GCP_322.0000038 ! downy mildew

[Term]
id: GCP_322.0000269
name: Puccinia polysora
is_a: GCP_322.0000035 ! rust