Shoot Seed Augent Page 6 of A SERREGIO VIA GARES Ocicher 1200ade Ma m. 1cm Tiller Leaf node axile roots (LNR) Coleoptile

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Shoot Seed Augent Page 6 Of A Serregio Via Gares Ocicher 1200ade Ma M 1cm Tiller Leaf Node Axile Roots Lnr Coleoptile 1 (58.49 KiB) Viewed 37 times

Shoot Seed Augent Page 6 Of A Serregio Via Gares Ocicher 1200ade Ma M 1cm Tiller Leaf Node Axile Roots Lnr Coleoptile 2 (53.95 KiB) Viewed 37 times

Shoot Seed Augent Page 6 Of A Serregio Via Gares Ocicher 1200ade Ma M 1cm Tiller Leaf Node Axile Roots Lnr Coleoptile 3 (65.25 KiB) Viewed 37 times

Shoot Seed Augent Page 6 of A SERREGIO VIA GARES Ocicher 1200ade Ma m. 1cm Tiller Leaf node axile roots (LNR) Coleoptile node axile roots (CNR) Primary seminal root (PSR) Branch roots ANTE Terry Suterary ax 10 2460 142 35807 0005 229443 #40427 LAT 5325 11.00 16:00 SABA 244BLING LPP MOILSCHE MO 60 30 18 1000 800 700 Is this plant a monocot or a dicot? Explain how you know. Avve 2450 18010 SN0275 145205 3,044.296.50 216 00.30 2.36440 10000 What family do you think this plant is in? Explain why you think this. 700 210 100 100 1 11 12 C be 138 AUN 19440 1/4630 255400 1.73 ABU •Using Dittmer's table-roughly estimate how many root hairs you think would be found on this plant. Explain how you came up with this estimate. •Assuming this is an annual plant, and using the table on the left as a guide, how many weeks old do you think this plant may be?
1 Table 1.3 Tables 1 and 2 from Dittmer's original article. A. ROOTS. Root categories Main B. ROOT HAIRS. Root categories Number of roots per unit Total root surface by categories (sq feet) 1.0 143 1.53 Secondary 249.0 3.5,607 45.06 Tertiary 16,060.5 2,296,651 758.60 80,302.6 11.484,271 1,748.90 Quaternary Totals 97,613.1 13,815,672 2,554.09 'A unit includes one main root with all its secondary, tertiary, and quaternary roots. There were 143 such units on this plant. Main Number of hairs per sample 53.25 Secondary 45.00 Tertiary 33.00 Quaternary 19.00 Totals Total number of roots by categories Total number of root hairs by categories 3,481,46.1 244,196,860 5,775,159,861 8,312,730,104 14,335,568,288 Average length (inches) "The number of hairs on a root length of 1 mm. 18.0 6.0 3.0 1.5 Average length of root hairs (microns) 1,000 860 Total root length by categories (feet) 214.50 17,803.50 574,162.75 1,452,075.60 2,044,256.50 800 700 Average diameters (microns) Total root hair length by categories (miles) 2.16 130.20 2.864.40 3,607.10 6.603.86 700 250 130 120 Average diameters (microns) 15 12 12 12 Total root hair surface by categories (sq. feet) 1.73 87.65 1,873.72 2,359.94 4,321.31
at %6 100 60 40 20 Flower buds Hypocotyl August Seedling Flowers Leaves Stems Rools Seeds SENECIO VULGARIS Receptacles Dead leaves September October Mature