THE EFFECT OF AIR POLLUTANTS UPON PHYSIOLOGICAL PROCESSES OF THE HORSE-CHESNUT’S LEAVES (AESCULUS HIPPOCASTANUM L.)

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YUNUS M., IQBAL M. (1996) Plant response to air pollution. John Wiley & Sons, Chichester. New York. Brisbane. Toronto. Singapore Table no 1- The variation of water and dry matter content in leaves of Aesculus hippocastanum from Bicazindustrial area (g%) Month Control leaves(C) Polluted leavesTaxon Water content Dry matter content Distance from the toxic source Water content % Control Dry matter content % Control 61,40 38,60 250m 61,08 99,47 38,92 100,82 May Aesculus hippocastanum 600m 60,74 98,92 39,26 101,70 58,38 41,62 250m 41,74 71,49 58,26 139,98August Aesculus hippocastanum 600m 41,30 70,74 58,70 141,03 55,11 44,89 250m 35,77 64,90 64,23 143,08September Aesculus hippocastanum 600m 40,37 73,25 59,63 132,83 Table no 2- The variation of water and dry matter content in leaves of Aesculus hippocastanum from Borzeşti industrial area (g%) Month Control leaves(C) Polluted leavesTaxon Water content Dry matter content Distance from the toxic source Water content % Control Dry matter content % Control 61,40 38,60 200m 46,87 76,33 53,13 137,64 May Aesculus hippocastanum 800m 51,72 84,23 48,28 125.07 63,87 36,13 250m 59,23 92,73 40,77 112,84August Acer pseudoplatanus 1200m 60,07 94,05 39,93 110,51 55,11 44,89 200m 32,78 59,48 67,22 149,74September Aesculus hippocastanum 800m 31,15 56,52 68,85 153,37 Table no 3a- The variation of medium content of assimilating pigmentst in leaves of Aesculus hippocastanum from Bicaz industrial area (mg/g fresh matter) “a”chlorophyll “b”chlorophyll carotenoidic pigmentsMonth Taxon Distance from the toxic source LC % LP % LC % LP % LC % Taxon Dista nce from  250 m 8,263 80,06 3,186 74,75 1,876 93,94May Aesculus hippocastanum  600 m 10,321 100 8,772 84,99 4,262 100 3,613 84,77 1,997 100 2,172 108,76  250 m 7,293 60,61 4,877 100 3,621 74,24 100 1,892 79,06 August Aesculus hippocastanum  600 m 13,072 100 4,117 31,49 3,235 66,33 2,393 1,750 73,12  250 m 7,114 54,60 3,319 78,70 1,768 73,82September Aesculus hippocastanum  60 m 13,027 100 4,028 30,92 4,217 100 3,178 75,36 2,395 100 1,286 53,69 Lc= control leaves, LP = polluted leaves Table no 3b- The total medium content of assimilating pigments (a+b+c), the ratio „a”chlorophyll/”b”chlorophyll (a/b) and the ratio chlorophylls and carotenoidic pigments (a+b/c) in leaves of Aesculus hippocastanum from Bicaz industrial area a+b+c a/b a+b/cTaxon Month Distance from the toxic source LC % LP % LC LP LC LP  200 m 13,283 80,11 1,30 4,3 May  800 m 16,580 100 14,328 86,41 2,42 1,61 7,3 5,0  200 m 9,238 45,41 1,07 2,0 August  800 m 20,342 100 14,286 70,22 2,68 1,40 7,5 3,8  200 m 8,914 45,38 1,16 1,7 Aesculus hippocastanum Septembrie  800 m 19,639 100 12,930 65,83 3,08 1,19 7,2 3,4 Lc= control leaves, LP = polluted leaves Table no 4a- The variation of medium content of assimilating pigmentst in leaves of some wooden angiosperms from Borzesti industrial area (mg/g fresh matter) “a”chlorophyll “b”chlorophyll carotenoidic pigmentsMonth Taxon Distance from the toxic source LC % LP % LC % LP % LC % Taxon Dista nce from  200 m 6,119 59,28 4,683 109,87 2,481 124,23May Aesculus hippocastanum  800 m 10,321 100 7,385 71,55 4,262 100 4,561 107,01 1,997 100 2,382 119,27  200 m 3,197 24,45 4,877 100 2,973 60,95 100 3,068 128,20 August Aesculus hippocastanum  800 m 13,072 100 6,618 50,62 4,727 96,92 2,393 2,941 122,90  200 m 3,027 23,23 2,608 61,84 3,279 136,91September Aesculus hippocastanum  800 m 13,027 100 5,462 41,92 4,217 100 4,584 108,70 2,395 100 2,884 120,41 Lc= control leaves, LP = polluted leaves Table no 4b- The total medium content of assimilating pigments (a+b+c), the ratio „a”chlorophyll/”b”chlorophyll (a/b) and the ratio chlorophylls and carotenoidic pigments (a+b/c) in leaves of Aesculus hippocastanum from Borzesti industrial area a+b+c a/b a+b/cTaxon Month Distance from the toxic source LC % LP % LC LP LC LP  250 m 13,325 80,36 2,59 6,1Mai  600 m 16,580 100 14,557 87,79 2,42 2,42 7,3 5,7  250 m 13,436 66,05 2,18 6,1August  600 m 20,342 100 9,102 44,74 2,68 1,27 7,5 4,2  250 m 12,201 62,12 2,14 5,9 Aesculus hippocastanum Septembrie  600 m 19,639 100 8,492 43,24 3,08 1,26 7,2 5,6 Lc= control leaves, LP = polluted leaves