LETTUCE Descriptor Site(s): W6 ------ Contains data on Lactuca (Lettuce) accessions as proposed by the Leafy Vegetable Crop Germplasm Committee. For information contact Barbara Hellier, Western Regional Plant Intro. Station in Pullman,WA (509) 335-3763 email: w6bh@ars-grin.gov Descriptor: ANTHOCYAN obtype: CHAR CGC: YES ANTHOCYANIN CONTENT Code Definition ---- ---------- AB ABSENT MX MIX SP SPOTTING TB TINGE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- SP 3 TB 13 Descriptor: BOLTING obtype: NUMERIC CGC: YES ACTUAL NUMBER OF DAYS TO BOLTING FROM PLANTING Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1.00 - 11.67 11 33.01 - 43.68 73 65.02 - 75.69 35 11.67 - 22.34 29 43.68 - 54.35 57 75.69 - 86.36 16 22.34 - 33.01 29 54.35 - 65.02 53 86.36 - 97.03 2 Descriptor: DAYSFLOWER obtype: NUMERIC CGC: YES NUMBER OF DAYS FROM SEED SOWING TO FIRST OPEN FLOWER Descriptor: FLOWERCOL obtype: CHAR CGC: YES FLOWER COLOR Code Definition ---- ---------- BL BLUE MX MIX PU PURPLE YL YELLOW Descriptor: FLOWERDIAM obtype: NUMERIC CGC: YES DIAMETER OF FLOWER WHEN FULLY OPEN (MM) Descriptor: HEADDEPTH obtype: NUMERIC CGC: YES AVERAGE HEAD DEPTH (CM) Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 5.00 - 7.33 19 11.99 - 14.32 35 18.98 - 21.31 10 7.33 - 9.66 33 14.32 - 16.65 24 21.31 - 23.64 11 9.66 - 11.99 37 16.65 - 18.98 16 23.64 - 25.97 2 Descriptor: HEADDIAM obtype: NUMERIC CGC: YES AVERAGE HEAD DIAMETER (CM) Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 5.00 - 6.50 25 9.50 - 11.00 61 14.00 - 15.50 10 6.50 - 8.00 51 11.00 - 12.50 0 15.50 - 17.00 0 8.00 - 9.50 0 12.50 - 14.00 37 17.00 - 18.50 3 Descriptor: HEADSOLID obtype: CHAR CGC: YES HEAD SOLIDITY Code Definition ---- ---------- 1 LOOSE 2 (1 = LOOSE, 5 = SOLID) 3 (1 = LOOSE, 5 = SOLID) 4 (1 = LOOSE, 5 = SOLID) 5 SOLID 6 MIX Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 9 3 75 5 7 2 51 4 45 Descriptor: HEADTYPE obtype: CHAR CGC: YES HEAD TYPE Code Definition ---- ---------- BUT BUTTERHEAD COS ROMAINE CRL CURLED CRP CRISPHEAD LEF LEAFY MIX MIXED STM STEM Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- BUT 184 CRP 73 MIX 15 COS 91 LEF 47 Descriptor: IMAGE obtype: CHAR CGC: YES A picture or image Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- collection s 1 field plants 46 field plants 3 field plants 614 field plants 29 field plants 2 field plants 116 field plants 8 Descriptor: LEAFCOLOR obtype: CHAR CGC: YES LEAF COLOR Code Definition ---- ---------- BG BLUE GREEN DG DARK GREEN GR GREEN GY GREY MX MIX PG PALE GREEN RD RED YG YELLOW GREEN Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- GR 39 PG 86 YG 90 MX 11 RD 15 Descriptor: LEAFCRISP obtype: CHAR CGC: YES LEAF CRISPNESS Code Definition ---- ---------- 1 LIMP 2 (1 = LIMP, 6 = CRISP) 3 (1 = LIMP, 6 = CRISP) 4 (1 = LIMP, 6 = CRISP) 5 (1 = LIMP, 6 = CRISP) 6 CRISP Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 1 3 89 5 2 2 52 4 55 Descriptor: LEAFDIMEN obtype: NUMERIC CGC: YES AVERAGE MEASUREMENT (LxW) OF 5 BASAL LEAVES (MM) Descriptor: LEAFFOLD obtype: CHAR CGC: YES LEAF FOLD Code Definition ---- ---------- 1 LOOSE 2 (1 = LOOSE, 6 = TIGHT) 3 (1 = LOOSE, 6 = TIGHT) 4 (1 = LOOSE, 6 = TIGHT) 5 (1 = LOOSE, 6 = TIGHT) 6 TIGHT Descriptor: LEAFSHAPE obtype: CHAR CGC: YES LEAF SHAPE Code Definition ---- ---------- LI LINEAR MX MIX OL OBLANCEOLATE OO OBOVATE SP SPATULATE Descriptor: MARKETMAT obtype: NUMERIC CGC: YES ACTUAL DAYS TO AVERAGE MARKET MATURITY Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 16.00 - 23.56 4 38.68 - 46.24 28 61.36 - 68.92 28 23.56 - 31.12 26 46.24 - 53.80 10 68.92 - 76.48 9 31.12 - 38.68 54 53.80 - 61.36 45 76.48 - 84.04 15 Descriptor: PLANTHGT obtype: NUMERIC CGC: YES AVERAGE HEIGHT OF PLANTS AT SEED MATURITY Descriptor: SEEDCOLOR obtype: CHAR CGC: YES SEED COLOR Code Definition ---- ---------- BG BLACK/GREY MIX BL BLACK BR BROWN BW BLACK/WHITE MIX GY GREY MX MIX WH WHITE Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- BG 3 BL 19 GY 21 Descriptor: SEEDMAT obtype: NUMERIC CGC: YES NUMBER OF DAYS TO FIRST SEED MATURITY Descriptor: SEEDWGT obtype: NUMERIC CGC: YES Weight of 100 seeds in grams. Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 0.01 - 0.08 115 0.22 - 0.29 10 0.43 - 0.50 2 0.08 - 0.15 1015 0.29 - 0.36 6 0.50 - 0.57 1 0.15 - 0.22 65 0.36 - 0.43 2 0.57 - 0.64 0