IMPLICATION OF AIR POLLUTION FOR PLANT LIFE

A BRIEF HISTORY IS PRESENTED OF THE EFFECTS OF AIR POLLUTION ON VEGETATION. ALTHOUGH MOST OF THE ATTENTION WAS DIRECTED TOWARD THE EFFECTS OF INDUSTRIAL AND URBAN POLLUTANTS ON PLANTS, AGRICULTURE IS A SOURCE AS WELL AS A VICTIM OF AIR POLLUTION. THE APPLICATION OF CERTAIN HERBICIDES HAS HAD AN IMPACT ON VEGETATION IN SURROUNDING AREAS. THE EFFECTS OF AN AIR POLLUTANT ON A PLANT MAY VARY BOTH WITH RESPECT TO THEIR MANIFESTATION AND THE CIRCUMSTANCES OF THEIR OCCURRENCE. THE BEST KNOWN ARE THE VISIBLE LESIONS THAT APPEAR ON THE FOLIAGE, AND THESE TAKE THE FORM OF CHLOROTIC OR NECROTIC AREAS THAT ARE DISTRIBUTED ON THE LEAF IN PATTERNS CHARACTERISTICS OF THE PLANT AND THE POLLUTANT. THESE SYMPTOMS DENOTE A LOSS OF PHOTOSYNTHETICALLY ACTIVE TISSUE IN THE PLANTS, AND THEREBY INDICATE A POTENTIAL EFFECT ON ITS LIFE. TWO BASIC APPROACHES MAY BE TAKEN FOR THE CONTROL OF AIR POLLUTANTS THAT DAMAGE VEGETATION: (1) ACCESS OF THE POLLUTANT TO THE PLANT MAY BE RESTRICTED, AND (2) THE REMOVAL OF THE SOURCE OF POLLUTION FROM THE RECEPTOR OR VICE VERSA, HAS BOTH ADVANTAGES AND LIMITATIONS WHICH ARE DISCUSSED. THE CONTROL OF AIR POLLUTION MAY PROVE TO BE AS COMPLEX AS ITS ORIGINS AND EFFECTS. THE MEANS BY WHICH AIR POLLUTION IS CONTROLLED WILL INVOLVE MANY STRATEGIES AND WILL DEPEND UPON THE PERSPECTIVES AND THE GOALS OF OUR SOCIETY.

  • Supplemental Notes:
    • Vol 114, No 1, PP 18-21, 17 REF
  • Corporate Authors:

    American Philosophical Society

    Symposium on Atmospheric Pollution
    Philadephia, PA  United States  19106
  • Authors:
    • Weinstein, L H
    • Mccune, D C
  • Publication Date: 1970-2-16

Subject/Index Terms

Filing Info

  • Accession Number: 00204787
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 27 1970 12:00AM