Maize Descriptors 3.1 Country of characterization NOT AVAILABLE 3.2 Site (Research institute) 3.2.1 Latitude (See format under 2.7) 3.2.2 Longitude (See format under 2.8) 3.2.3 Altitude (See instructions in 2.9) 3.3 Name of person in charge of characterization NOT AVAILABLE 3.4 Sowing date (in the form DDMMYYYY) 3.5 Harvest date (in the form DDMMYYYY) 3.6 Evaluation environment Environment in which characterization/preliminary evaluation was carried out 3.7 Soil type NOT AVAILABLE 3.8 Soil pH NOT AVAILABLE 3.9 Monthly rainfall NOT AVAILABLE 3.10 Notes Any additional information may be specified here 4.1 Vegetative NOT AVAILABLE 4.1.1 Days to tasseling Number of days from sowing to when 50% of the plants have shed pollen, (male flowering) 4.1.2 Days to silking Number of days from sowing to when silks have emerged on 50% of the plants, (female flowering) 4.1.3 Days to ear leaf senescence Number of days from sowing to when 50% of the plants have a dry ear leaf 4.1.4 Plant height [cm] From ground level to the base of the tassel. After milk stage 4.1.5 Ear height [cm] From ground level to the node bearing the uppermost ear. After milk stage 4.1.6 Foliage Rating of total leaf surface. After milk stage. Observed on at least 20 representative plants 3-Small 5-Intermediate 7-Large 4.1.7 Number of leaves above the uppermost ear Counted on at least 20 representative plants. After milk stage 4.1.8 Tillering index Number of tillers per plant (average of more than 20 representative plants). At flowering 4.1.9 Stem colour Indicate up to three stem colours in the order of frequency. Observed between the two topmost ears. 1-Green 2-Sun red 3-Red 4-Purple 5-Brown 4.1.10 Root lodging Percentage of plants root-lodged. Two weeks before harvest 4.1.11 Stalk lodging Percentage of plants stalk-lodged. Two weeks before harvest 4.1.12 Sheath pubescence At flowering 3-Sparse 5-Intermediate 7-Dense 4.1.13 Tassel type At milk stage 1-Primary 2-Primary-secondary 3-Primary-secondary-tertiary 4.2 Ear data After harvest, using all ears (4.2.1 - 4.2.2) on at least 20 representative plants per accession 4.2.1 Husk cover NOT AVAILABLE 3-Poor 5-Intermediate 7-Good 4.2.2 Ear damage Amount of ear damage caused by ear rot and/or insects, etc. 0-None 3-Little 7-Severe 4.2.3 Kernel row arrangement Use the uppermost ear 1-Regular 2-Irregular 3-Straight 4-Spiral 4.2.4 Number of kernel rows Count number of kernel rows in the central part of the uppermost ear 4.3 Kernel data After harvest 4.3.1 Kernel type Indicate up to three kernel types in the order of frequency 1-Floury 10-Tunicate 11-Waxy 2-Semi-floury (morocho), with an external layer of hard endosperm 3-Dent 4-Semi-dent, intermediate between dent and flint but closer to dent 5-Semi-flint, flint with a soft cap 6-Flint 7-Pop 8-Sweet 9, 2/QPM-Opaque 4.3.2 Kernel colour Indicate up to three kernel colours in the order of frequency 1-White 2-Yellow 3-Purple 4-Variegated 5-Brown 6-Orange 7-Mottled 8-White cap 9-Red 4.3.3 1000 kernel weight [g] Adjusted to 10% moisture content 5.1 Country of further characterization (See instructions in COUNTRY OF COLLECTION, 2.4) 5.2 Site (Research institute) 5.2.1 Latitude (See format under 2.7) 5.2.2 Longitude (See format under 2.8) 5.2.3 Altitude (See instructions in 2.9) 5.3 Name of person in charge of evaluation NOT AVAILABLE 5.4 Sowing date (in the form DDMMYYYY) 5.5 Harvest date (in the form DDMMYYYY) 5.6 Evaluation environment Environment in which further characterization/evaluation was carried out 5.7 Soil type NOT AVAILABLE 5.8 soil pH NOT AVAILABLE 5.9 Monthly rainfall [mm] NOT AVAILABLE 5.10 Notes Any additional information may be specified here 6.2 Ear data Observe, when applicable, on at least 20 representative plants per accession. After harvest 6.2.1 Prolificacy index Divide the total number of ears by the total number of more than 20 plants 6.2.2 Ear length [cm] NOT AVAILABLE 6.2.3 Peduncle length [cm] NOT AVAILABLE 6.2.4 Ear diameter [cm] Measured at the central part of the uppermost ear 6.2.5 Cob diameter [cm] NOT AVAILABLE 6.2.6 Rachis diameter [cm] NOT AVAILABLE 6.2.7 Number of bracts NOT AVAILABLE 6.2.8 Number of kernels per row NOT AVAILABLE 6.2.9 Cob colour NOT AVAILABLE 1-White 2-Red 3-Brown 4-Purple 5-Variegated 6-Other (specify in the NOTES descriptor, 6.4) 6.2.10 Shape of uppermost ear NOT AVAILABLE 1-Cylindrical 2-Cylindrical-conical 3-Conical 4-Round 6.2.11 Grain shedding [%] NOT AVAILABLE 6.1 Vegetative NOT AVAILABLE 6.1.1 Total number of leaves per plant After flowering 6.1.2 Leaf length [cm] From ligule to apex. Measure the leaf which subtends the uppermost ear. After flowering 6.1.3 Leaf width [cm Mid-way along its length. Measured on the same leaf as 6.1.2 6.1.4 Venation index Divide the number of veins mid-way along the ear leaf by the leaf width (6.1.3) 6.1.5 Leaf orientation After flowering 1-Erect 2-Pendant 6.1.6 Presence of leaf ligule After flowering 0-Absent 1-Present 6.1.7 Root volume After milk stage 3-Small 5-Medium 7-Large 6.1.8 Tassel length [cm] After milk stage 6.1.9 Tassel peduncle length [cm] After milk stage 6.1.10 Tassel branching space [cm] Distance between the first and last primary branches. After milk stage 6.1.11 Number of primary branches on tassel After milk stage 6.1.12 Number of secondary branches on tassel After milk stage 6.1.13 Number of tertiary branches on tassel After milk stage 6.1.14 Tassel size After milk stage. This descriptor can be used as an alternative to 6.1.8 through 6.1.13 3-Small 5-Medium 7-Large 6.1.15 Growing Degree Units to female flowering Emergence in 50% of the plants, (GDU) 6.1.16 GDU to male flowering When 50% of the plants have flowered 6.1.17 Stay green Estimate using more than 20 plants per accession. At maturity 3-Low 5-Medium 7-High 6.3 Kernel data Observe, when applicable, on at least 20 representative plants per accession, after harvest 6.3.1 Kernel length [mm] Average of 10 consecutive kernels from one row in the middle of the uppermost ear, measured with calliper 6.3.2 Kernel width [mm] Measured on the same 10 kernels as 6.3.1 6.3.3 Kernel thickness [mm] Measured on the same 10 kernels as 6.3.1 6.3.4 Shape of upper surface of kernel NOT AVAILABLE 1-Shrunken 2-Indented 3-Level 4-Rounded 5-Pointed 6-Strongly pointed 6.3.5 Pericarp colour NOT AVAILABLE 1-Colourless 2-Greyish white 3-Red 4-Brown 5-Other (specify in the NOTES descriptor, 6.4) 6.3.6 Aleurone colour NOT AVAILABLE 1-Colourless 2-Bronze 3-Red 4-Purple 5-Other (specify in the NOTES descriptor, 6.4) 6.3.7 Endosperm colour NOT AVAILABLE 1-White 2-Cream 3-Pale yellow 4-Yellow 5-Orange 6-White cap 6.4 Notes Any additional information may be specified here 7.1 Low temperature Seedling emergence 7.2 Frost damage susceptibility State the stage of measurement 7.3 Aluminium toxicity Reflected in seed yield relative to control 7.4 Low nitrogen Reflected in seed yield relative to control 7.5 Drought Reflected in seed yield relative to control 8.1 Diseases NOT AVAILABLE 8.1.1 Diplodia maydis, Gibberella zeae, Fusarium moniliforme Ear rot, stalk rot 8.1.2 Rust Puccinia sorghi, Puccinia polysora 8.1.3 Downy mildew Peronosclerospora spp., Sclerophthora spp 8.1.4 Helminthosporium maydis Helminthosporium turcicum Leaf blight 8.1.5 Smut Ustilago maydis 8.1.6 Tassel smut Sphacelotheca reiliana 8.1.7 Tar spot Phyllachora maydis 8.1.8 Others (specify in REMARKS descriptor, 8.4) 8.2 Virus and similar aberrations NOT AVAILABLE 8.2.1 Corn stunt (CSS) Corn stunt spiroplasma 8.2.2 Corn streak (CSV) Corn streak virus 8.2.3 Fine striping disease (MRFV) Maize fine stripe virus 8.2.4 Maize bushy stunt (MBSD) Maize bushy stunt mycoplasma 8.2.5 Maize dwarf virus (MDM) Maize dwarf mosaic virus 8.2.6 Others (specify in REMARKS descriptor, 8.4) 8.3 Pests NOT AVAILABLE 8.3.1 Borer Busseola spp 8.3.2 Borer Chilo spp. 8.3.3 Borer Diatrea spp 8.3.4 Ear worm Heliothis zea, Heliothis armigera 8.3.5 Borer Ostrinia spp 8.3.6 Borer Sesamia spp 8.3.7 Armyworm Spodoptera spp. 8.3.8 Root worm Diabrotica spp 8.3.9 Weevil Sitophilus spp. 8.3.10 Grain borer Prostephanus 8.3.11 Others (specify in REMARKS descriptor, 8.4) 8.4 Remarks NOT AVAILABLE