SWEET-CLOVER Descriptor Site(s): NC7 ------ Contains Characteristic data on Melilotus (Sweet Clover) accessions. A descriptors, with bibliographic references is at: rs/MidWest/Ames/Reports_New/Sp ecial_Reports/Amaranth/Sweet_Clover_Descriptors.pdf additional information on the evaluations, contact David Brenner at l PI Station in Ames, IA 50011. (515) 294-6786. du Descriptor: 100SEEDWGT obtype: NUMERIC CGC: YES The weight in grams of 100 seeds. Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 0.06 - 0.24 2006 0.60 - 0.78 109 1.14 - 1.32 4 0.24 - 0.42 532 0.78 - 0.96 40 1.32 - 1.50 0 0.42 - 0.60 68 0.96 - 1.14 15 1.50 - 1.68 0 Descriptor: ASCCAU1 obtype: CHAR CGC: N LEAST DAMAGE FROM ASCOCHYTA CAULICOLA LAMB. Code Definition ---- ---------- 0 NO DAMAGE OBSERVED 1 VERY SLIGHT INFECTION, NO DAMAGE 2 SLIGHT INFECTION, VERY LITTLE DAMAGE 3 MEDIUM INFECTION AND DAMAGE 4 SEVERELY DISEASED, CONSIDERABLE DAMAGE 5 VERY SEVERELY DISEASED, SEVERE DAMAGE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 0 67 2 11 4 6 1 19 3 8 5 4 Descriptor: ASCCAU2 obtype: CHAR CGC: N MOST DAMAGE FROM ASCOCHYTA CAULICOLA LAMB. Code Definition ---- ---------- 0 NO DAMAGE OBSERVED 1 VERY SLIGHT INFECTION, NO DAMAGE 2 SLIGHT INFECTION, VERY LITTLE DAMAGE 3 MEDIUM INFECTION AND DAMAGE 4 SEVERELY DISEASED, CONSIDERABLE DAMAGE 5 VERY SEVERELY DISEASED, SEVERE DAMAGE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 0 66 2 11 4 10 1 12 3 9 5 7 Descriptor: BLMVIG1 obtype: CHAR CGC: N MINIMUM EARLY BLOOM VIGOR Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 17 5 53 8 10 3 18 7 67 Descriptor: BLMVIG2 obtype: CHAR CGC: N MAXIMUM EARLY BLOOM VIGOR Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 93 5 24 8 1 3 29 7 18 Descriptor: CERDAV1 obtype: CHAR CGC: N LEAST DAMAGE FROM CERCOSPORA DAVISII, ELL. ET. EV. Code Definition ---- ---------- 0 NO DAMAGE OBSERVED 1 VERY SLIGHT INFECTION, NO DAMAGE 2 SLIGHT INFECTION, VERY LITTLE DAMAGE 3 MEDIUM INFECTION AND DAMAGE 4 SEVERELY DISEASED, CONSIDERABLE DAMAGE 5 VERY SEVERELY DISEASED, SEVERE DAMAGE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 0 44 2 28 4 10 1 4 3 28 5 4 Descriptor: CERDAV2 obtype: CHAR CGC: N MOST DAMAGE FROM CERCOSPORA DAVISII, ELL. ET. EV. Code Definition ---- ---------- 0 NO DAMAGE OBSERVED 1 VERY SLIGHT INFECTION, NO DAMAGE 2 SLIGHT INFECTION, VERY LITTLE DAMAGE 3 MEDIUM INFECTION AND DAMAGE 4 SEVERELY DISEASED, CONSIDERABLE DAMAGE 5 VERY SEVERELY DISEASED, SEVERE DAMAGE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 0 44 2 23 4 14 1 4 3 27 5 6 Descriptor: COMMENT obtype: CHAR CGC: YES Casual observations made by cooperators or curators while evaluating or regenerating germplasm. Usually these observations are not published and need verification. Descriptor: CORE obtype: CHAR CGC: YES A flag to indicate the accession is part of the core subset Code Definition ---- ---------- Y YES, THE ACCESSION IS PART OF THE CORE COLLECTION Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- Y 85 Descriptor: COUM_BE_GL obtype: CHAR CGC: YES Beta-glucosidase activity detected with the fluorescence method of F.A. Haskins and H.J. Gorz. 1970. Crop Sci. 10:479-481. Code Definition ---- ---------- HIGH fluorescence intense yellow green or less intense (BB or Bb genotypes) LOW fluorescence slight yellow or virtually none (bb genotype) Descriptor: COUM_OM_HY obtype: CHAR CGC: YES Omega-hydroxycinnamic acid detected with the fluorescence method of F.A. Haskins and H.J. Gorz. 1970. Crop Sci. 10:479-481. Code Definition ---- ---------- HIGH fluorescence yellow green (CuCu or Cucu genotypes) LOW virtually no fluorescence (cu genotype) Descriptor: DURATION obtype: CHAR CGC: YES The length of time that the plants ordinarily live before flowering and death. The biennials require a cold treatment before flowering, while annuals do not. Code Definition ---- ---------- ANN percent annual BIE percent biennial OTH percent other (explain) The "OTH" category is intended to 1 OTH include unusual exceptions and therefore allow for comprehensive data. UNK percent that did not flower when expected, so unknown WAN percent winter annual These perform poorly in hot summer 1 WAN field conditions, but do well in a winter greenhouse or similar conditions. Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- WAN 2 Descriptor: FLWR_COLOR obtype: CHAR CGC: YES FLOWER COLOR Code Definition ---- ---------- MIX MIXTURE OF YELLOW FLOWERED AND WHITE FLOWERED PLANTS OTH OTHER W WHITE Y YELLOW Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- MIX 1 W 236 Y 502 Descriptor: GROW_HABIT obtype: CHAR CGC: YES Plant growth habit evaluated when 50% of the plants have open flowers. The most useful data are from non-transplanted, field-grown, widely spaced plants. Code Definition ---- ---------- 1 PROSTRATE 2 (1 = PROSTRATE, 9 = VERY ERECT) 3 (1 = PROSTRATE, 9 = VERY ERECT) 4 (1 = PROSTRATE, 9 = VERY ERECT) 5 MEDIUM 6 (1 = PROSTRATE, 9 = VERY ERECT) 7 (1 = PROSTRATE, 9 = VERY ERECT) 8 (1 = PROSTRATE, 9 = VERY ERECT) 9 VERY ERECT Descriptor: GWTHAB1 obtype: CHAR CGC: N LEAST ERECT GROWTH HABIT Code Definition ---- ---------- 1 ERECT 2 (1 = ERECT, 9 = PROSTRATE) 3 (1 = ERECT, 9 = PROSTRATE) 4 (1 = ERECT, 9 = PROSTRATE) 5 MEDIUM 6 (1 = ERECT, 9 = PROSTRATE) 7 (1 = ERECT, 9 = PROSTRATE) 8 (1 = ERECT, 9 = PROSTRATE) 9 PROSTRATE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 184 3 260 5 59 2 9 4 3 7 8 Descriptor: GWTHAB2 obtype: CHAR CGC: N MOST ERECT GROWTH HABIT Code Definition ---- ---------- 1 ERECT 2 (1 = ERECT, 9 = PROSTRATE) 3 (1 = ERECT, 9 = PROSTRATE) 4 (1 = ERECT, 9 = PROSTRATE) 5 MEDIUM 6 (1 = ERECT, 9 = PROSTRATE) 7 (1 = ERECT, 9 = PROSTRATE) 8 (1 = ERECT, 9 = PROSTRATE) 9 PROSTRATE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 350 5 27 7 5 3 102 Descriptor: HAY_DAY obtype: NUMERIC CGC: YES Maturity for hay forage harvest. For biennials, Julian day in the second year of growth when 50% of the plants have open flowers. For annuals, days after seeding when 50% of the plants have open flowers. Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 172.00 - 181.89 1 201.67 - 211.56 38 231.34 - 241.23 3 181.89 - 191.78 18 211.56 - 221.45 34 241.23 - 251.12 2 191.78 - 201.67 44 221.45 - 231.34 23 251.12 - 261.01 1 Descriptor: HEIGHT_FL obtype: NUMERIC CGC: YES Height (stem length)of flowering plants measured from the soil in cm, before lodging. Recorded after 50% of the plants have open flowers. Descriptor: HEIGHT_VEG obtype: NUMERIC CGC: YES Height (stem length) of vegetative (first year biennial) plants measured from the soil in cm, before lodging. Recorded September 1. Descriptor: IMAGE obtype: CHAR CGC: YES An image is present in the GRIN database. Descriptor: LEASTVIRUS obtype: CHAR CGC: N LEAST DAMAGE FROM VIRUS, MOSTLY MOSAIC Code Definition ---- ---------- 0 NO DAMAGE OBSERVED 1 VERY SLIGHT INFECTION, NO DAMAGE 2 SLIGHT INFECTION, VERY LITTLE DAMAGE 3 MEDIUM INFECTION AND DAMAGE 4 SEVERELY DISEASED, CONSIDERABLE DAMAGE 5 VERY SEVERELY DISEASED, SEVERE DAMAGE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 0 54 2 6 4 1 1 19 3 21 5 15 Descriptor: MAXDESIR obtype: CHAR CGC: N Maximum desirability: Rating based on overall appearance of the accession (Rater's opinion based on other accessions and checks being rated). Perennials: only 2nd year ratings used. Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 27 5 160 8 8 3 76 7 128 9 34 Descriptor: MAXFALLVIG obtype: CHAR CGC: N MAXIMUM FALL VIGOR Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 115 5 53 8 1 3 79 7 24 9 1 Descriptor: MAXLEAFNUM obtype: CHAR CGC: N MAXIMUM LEAF NUMBER Code Definition ---- ---------- 1 MANY 2 (1 = MANY, 9 = FEW) 3 (1 = MANY, 9 = FEW) 4 (1 = MANY, 9 = FEW) 5 MEDIUM 6 (1 = MANY, 9 = FEW) 7 (1 = MANY, 9 = FEW) 8 (1 = MANY, 9 = FEW) 9 FEW Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 142 5 152 8 2 3 163 7 26 9 2 Descriptor: MAXLFSIZE obtype: CHAR CGC: N MAXIMUM LEAF SIZE Code Definition ---- ---------- 1 LARGE 2 (1 = LARGE, 9 = SMALL) 3 (1 = LARGE, 9 = SMALL) 4 (1 = LARGE, 9 = SMALL) 5 MEDIUM 6 (1 = LARGE, 9 = SMALL) 7 (1 = LARGE, 9 = SMALL) 8 (1 = LARGE, 9 = SMALL) 9 SMALL Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 24 5 305 7 85 3 55 6 1 9 4 Descriptor: MAXPCTSURV obtype: NUMERIC CGC: N MAXIMUM PERCENT SURVIVAL Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 5.00 - 15.67 9 37.01 - 47.68 11 69.02 - 79.69 39 15.67 - 26.34 8 47.68 - 58.35 17 79.69 - 90.36 64 26.34 - 37.01 9 58.35 - 69.02 24 90.36 - 101.03 142 Descriptor: MAXPCTWIN obtype: NUMERIC CGC: N MAXIMUM PERCENT WINTER INJURY Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 10.00 - 19.00 31 37.00 - 46.00 0 64.00 - 73.00 118 19.00 - 28.00 0 46.00 - 55.00 78 73.00 - 82.00 33 28.00 - 37.00 55 55.00 - 64.00 0 82.00 - 91.00 13 Descriptor: MAXPLTHGT obtype: NUMERIC CGC: N Maximum plant height observed for accession, in centimeters. Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 3.00 - 28.11 170 78.33 - 103.44 318 153.66 - 178.77 29 28.11 - 53.22 192 103.44 - 128.55 173 178.77 - 203.88 16 53.22 - 78.33 304 128.55 - 153.66 131 203.88 - 228.99 3 Descriptor: MAXSDLGVIG obtype: CHAR CGC: N MAXIMUM SEEDLING VIGOR Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 355 5 28 7 7 3 91 Descriptor: MAXSDPROD obtype: CHAR CGC: N MAXIMUM SEED PRODUCTION Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 62 5 130 8 14 3 115 7 132 9 7 4 1 Descriptor: MAXSPRGVIG obtype: CHAR CGC: N MAXIMUM SPRING VIGOR Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 205 4 1 7 14 3 73 5 29 8 4 Descriptor: MAXSTEMNUM obtype: CHAR CGC: N MAXIMUM STEM NUMBER Code Definition ---- ---------- 1 MANY 2 (1 = MANY, 9 = FEW) 3 (1 = MANY, 9 = FEW) 4 (1 = MANY, 9 = FEW) 5 MEDIUM 6 (1 = MANY, 9 = FEW) 7 (1 = MANY, 9 = FEW) 8 (1 = MANY, 9 = FEW) 9 FEW Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 160 5 108 8 3 3 182 7 25 9 3 Descriptor: MAXSTEMSIZ obtype: CHAR CGC: N MAXIMUM STEM SIZE Code Definition ---- ---------- 1 SMALL 2 (1 = SMALL, 9 = LARGE) 3 (1 = SMALL, 9 = LARGE) 4 (1 = SMALL, 9 = LARGE) 5 MEDIUM 6 (1 = SMALL, 9 = LARGE) 7 (1 = SMALL, 9 = LARGE) 8 (1 = SMALL, 9 = LARGE) 9 LARGE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 6 5 254 9 32 3 116 7 72 Descriptor: MINDESIR obtype: CHAR CGC: N Minimum desirability: Rating based on overall appearance of the accession (Rater's opinion based on other accessions and checks being rated). Perennials: only 2nd year ratings used. Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 14 5 129 8 11 3 56 7 165 9 58 Descriptor: MINFALLVIG obtype: CHAR CGC: N MINIMUM FALL VIGOR Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 32 5 81 8 1 3 46 7 104 9 9 Descriptor: MINLEAFNUM obtype: CHAR CGC: N MINIMUM LEAF NUMBER Code Definition ---- ---------- 1 MANY 2 (1 = MANY, 9 = FEW) 3 (1 = MANY, 9 = FEW) 4 (1 = MANY, 9 = FEW) 5 MEDIUM 6 (1 = MANY, 9 = FEW) 7 (1 = MANY, 9 = FEW) 8 (1 = MANY, 9 = FEW) 9 FEW Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 41 5 227 8 2 3 103 7 109 9 5 Descriptor: MINLFSIZE obtype: CHAR CGC: N MINIMUM LEAF SIZE Code Definition ---- ---------- 1 LARGE 2 (1 = LARGE, 9 = SMALL) 3 (1 = LARGE, 9 = SMALL) 4 (1 = LARGE, 9 = SMALL) 5 MEDIUM 6 (1 = LARGE, 9 = SMALL) 7 (1 = LARGE, 9 = SMALL) 8 (1 = LARGE, 9 = SMALL) 9 SMALL Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 101 5 189 7 43 3 141 Descriptor: MINPCTSURV obtype: NUMERIC CGC: N MINIMUM PERCENT SURVIVAL Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1.00 - 11.67 3 33.01 - 43.68 18 65.02 - 75.69 26 11.67 - 22.34 17 43.68 - 54.35 31 75.69 - 86.36 18 22.34 - 33.01 10 54.35 - 65.02 29 86.36 - 97.03 13 Descriptor: MINPCTWIN obtype: NUMERIC CGC: N MINIMUM PERCENT WINTER INJURY Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 10.00 - 14.56 187 23.68 - 28.24 0 37.36 - 41.92 0 14.56 - 19.12 0 28.24 - 32.80 42 41.92 - 46.48 0 19.12 - 23.68 1 32.80 - 37.36 0 46.48 - 51.04 12 Descriptor: MINPLTHGT obtype: NUMERIC CGC: N Minimum plant height observed for accession, in centimeters. Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 13.00 - 31.67 57 69.01 - 87.68 58 125.02 - 143.69 2 31.67 - 50.34 124 87.68 - 106.35 59 143.69 - 162.36 2 50.34 - 69.01 72 106.35 - 125.02 18 162.36 - 181.03 2 Descriptor: MINSDLGVIG obtype: CHAR CGC: N MINIMUM SEEDLING VIGOR Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 148 5 106 8 1 3 145 7 74 9 8 Descriptor: MINSDPROD obtype: CHAR CGC: N MINIMUM SEED PRODUCTION Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 45 5 104 8 14 2 1 7 181 9 36 3 80 Descriptor: MINSPRGVIG obtype: CHAR CGC: N MINIMUM SPRING VIGOR Code Definition ---- ---------- 1 GOOD 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 MEDIUM 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 POOR Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 28 5 89 8 20 3 48 7 127 9 14 Descriptor: MINSTEMNUM obtype: CHAR CGC: N MINIMUM STEM NUMBER Code Definition ---- ---------- 1 MANY 2 (1 = MANY, 9 = FEW) 3 (1 = MANY, 9 = FEW) 4 (1 = MANY, 9 = FEW) 5 MEDIUM 6 (1 = MANY, 9 = FEW) 7 (1 = MANY, 9 = FEW) 8 (1 = MANY, 9 = FEW) 9 FEW Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 21 5 164 8 11 3 114 7 159 9 12 Descriptor: MINSTEMSIZ obtype: CHAR CGC: N MINIMUM STEM SIZE Code Definition ---- ---------- 1 SMALL 2 (1 = SMALL, 9 = LARGE) 3 (1 = SMALL, 9 = LARGE) 4 (1 = SMALL, 9 = LARGE) 5 MEDIUM 6 (1 = SMALL, 9 = LARGE) 7 (1 = SMALL, 9 = LARGE) 8 (1 = SMALL, 9 = LARGE) 9 LARGE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 5 5 136 9 153 3 32 7 154 Descriptor: MOSTVIRUS obtype: CHAR CGC: N MOST DAMAGE FROM VIRUS, MOSTLY MOSAIC Code Definition ---- ---------- 0 NO DAMAGE OBSERVED 1 VERY SLIGHT INFECTION - NO DAMAGE 2 SLIGHT INFECTION, VERY LITTLE DAMAGE 3 MEDIUM INFECTION AND DAMAGE 4 SEVERELY DISEASED, CONSIDERABLE DAMAGE 5 VERY SEVERELY DISEASED, SEVERE DAMAGE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 0 52 2 7 4 7 1 6 3 21 5 22 Descriptor: NODULATION obtype: CHAR CGC: YES Amount and quality of nodulation. Code Definition ---- ---------- 1 BEST, 10 - 15 MODERATELY LARGE NODULES, REDDISH TO PINK CENTER LOCATED ON OR CLOSE TO THE TAP ROOT 2 (BETWEEN 1 = BEST, 6 = NONE) 3 (BETWEEN 1 = BEST, 6 = NONE) 4 (BETWEEN 1 = BEST, 6 = NONE) 5 POOR NODULATION 6 NO NODULATION Descriptor: ROOT_FUS obtype: CHAR CGC: YES Fusarium culmorum crown and root rot. The percentage of plants with each rating, and sample size, following the inoculation method of M.W. Cormack 1937 Can. J. Res. 15:493-510, or equivalent methods. Code Definition ---- ---------- DEAD plants dead MOD_LG larger dark-brown areas, arcs or rings, or partial dark-brown ring in the outer stele NONE no discoloration in the root SEVERE entire outer stele dark brown, plant alive SLIGHT small dark strands in the stele Descriptor: ROOT_PHYT obtype: CHAR CGC: YES Phytophthora crown and root rot. The percentage of plants with each rating, and sample size, following the inoculation method of F.R. Jones 1939. Phytopathology 29:909-911, or equivalent methods. Code Definition ---- ---------- DEAD plants dead MOD_LG extensive root lesions with the taproots usually rotted off 10 cm or more below the crown MOD_SM one or more large lesions on tap root, but none girdling 1 MOD_SM the taproot, the tips of one or more larger branch roots rotted off NONE roots clean with no lesions and many small rootlets present on the taproot SEVERE taproot almost completely destroyed but plant alive SLIGHT only very small superficial lesions (2 mm) present on 1 SLIGHT taproot, taproots usually lack numerous branch roots, and 1 SLIGHT most lesions occur at site where branch root had started growth Descriptor: ROOT_SCL obtype: CHAR CGC: YES Sclerotinia sp. crown and root rot. The % of resistant plants, and sample size, inoculation method of Sanford, G.B. and Cormack, M.W. 1935. p. 290-393. Proc. World's Grain Exhib. and Conf., Vol. 2., or equivalent. Code Definition ---- ---------- DEAD plant dead MOD_LG extensive root lesions with the taproots usually rotted off 10 cm or more below the crown MOD_SM one or more large lesions on tap root, but none girdling 1 MOD_SM the taproot, the tips of one or more larger branch roots rotted off NONE roots clean with no lesions and many small rootlets present on the taproot SEVERE taproot almost completely destroyed but plant alive SLIGHT only very small superficial lesions (2 mm) present on 1 SLIGHT taproot, taproots usually lack numerous branch roots, and 1 SLIGHT most lesions occur at site where branch root had started growth Descriptor: SCARES obtype: NUMERIC CGC: N PERCENT SWEETCLOVER APHID RESISTANCE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 3.00 - 10.22 9 24.66 - 31.88 2 46.32 - 53.54 0 10.22 - 17.44 6 31.88 - 39.10 1 53.54 - 60.76 0 17.44 - 24.66 5 39.10 - 46.32 1 60.76 - 67.98 1 Descriptor: SDLG_VIGOR obtype: CHAR CGC: YES Visual estimate of vegetative growth 6 weeks after seeding, coded 1-9. Code Definition ---- ---------- 1 good (highest) 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 medium 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 poor Descriptor: SEED_ROTS obtype: NUMERIC CGC: YES The pathogens that are used to inoculate sand at the time of seeding, the percentage of germinable seeds per non-inoculated control that produced seedlings still living 15 days after seeding, and the sample size. Descriptor: SHAPE obtype: CHAR CGC: YES The presence of a many-thin-stem trait that is desirable for forage. Reference: Kirk, L.E. 1931 Sci. Agr. 11:315-325. Code Definition ---- ---------- BUSHY Percent of bushy type, usually with 50 or more thin stems. OTHER Percent of other plant shape (explain). STAND Percent of standard type usually with 5 to 10 thick stems. Descriptor: SOMCHRMNUM obtype: CHAR CGC: YES Somatic chromosome number (2n), and MIX if more than one number is in the accession (and comment to explain). Descriptor: SPRG_VIGOR obtype: CHAR CGC: YES Visual estimate of amount of vegetative growth of biennial sweetclover three to four weeks after growth starts in the second year, coded 1-9. Code Definition ---- ---------- 1 good (highest growth) 2 (1 = GOOD, 9 = POOR) 3 (1 = GOOD, 9 = POOR) 4 (1 = GOOD, 9 = POOR) 5 medium 6 (1 = GOOD, 9 = POOR) 7 (1 = GOOD, 9 = POOR) 8 (1 = GOOD, 9 = POOR) 9 poor Descriptor: STAND2YR obtype: NUMERIC CGC: YES The percent of original plants established in the summer that resume growth in the spring of the second year, for biennials only. Descriptor: STEMCANKER obtype: CHAR CGC: YES Stem canker or gooseneck (Ascochyta lethalis also known as Ascohyta caulicola, A. meliloti, and Phoma sp.) greenhouse evaluation protocol of G.C.M. Latch and E.W. Hanson.1962. Phytopathology 52:300-315. Code Definition ---- ---------- DEAD plants dead MOD slight to moderate infection, some defoliation, and a few small stem lesions NONE no infection SEVERE severe leaf lesions resulting in much defoliation, moderate stem lesioning SLIGHT slight infection, a few spots on the leaves Descriptor: STEM_ANTHR obtype: CHAR CGC: YES Anthracnose (Colletotrichum trifolii) resistance. The percent of each level of resistant plants (lesion type), and sample size. Code Definition ---- ---------- DEAD plant dead (Type 5) MOD lesions are long and wide, not girdling, with acervuli usually present (Type 3) RESIST stems have no lesions or only small water soaked spots (Type 1) SEVERE lesions are large, coalescing, and sporulating eventually girdling and kiling the stems (Type 4) SLIGHT long narrow lesions with few, if any, acervuli and no sporulation (Type 2) Descriptor: STEM_SPR_B obtype: CHAR CGC: YES Blackstem (Phoma medicaginis also known as spring blackstem on alfalfa) rated with the greenhouse inoculation system of G.C.M. Latch and E.W. Hanson. 1962. Phytopathology 52:300-315. Code Definition ---- ---------- DEAD plant dead GIRD plant recovered from below girdled stems but may be stunted MOD slight to moderate infection, some defoliation, and a few small stem lesions NONE no infection SEVERE severe leaf lesions resulting in much defoliation, moderate stem lesioning SLIGHT slight infection, a few spots on the leaves Descriptor: STEM_SUM_B obtype: CHAR CGC: YES Summer blackstem (Cercospora davisii) rated with the greenhouse inoculation system of G.C.M. Latch and E.W. Hanson. 1962. Phytopathology 52:300-315. Code Definition ---- ---------- DEAD plants killed MOD slight to moderate infection, some defoliation, and a few small stem lesions NONE no infection SEVERE severe leaf lesions resulting in much defoliation, moderate stem lesioning SLIGHT slight infection, a few spots on the leaves Descriptor: WEEVILDAM obtype: NUMERIC CGC: N % weevil defoliation damage. Data collected from 1963-66. An adjusted mean was used to correlate variations of % damage. Data taken on 6-7 wk old seedlings -NW Exp Sta, Crookston,MN Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 10.00 - 16.33 3 28.99 - 35.32 14 47.98 - 54.31 114 16.33 - 22.66 3 35.32 - 41.65 57 54.31 - 60.64 25 22.66 - 28.99 8 41.65 - 47.98 91 60.64 - 66.97 15