Chlorophyll as a measure of plant health: Agroecological aspects
Hlorofil kao merilo zdravlja biljaka: agroekološki aspekti
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Author
Pavlovic, Danijela
Nikolic, Bogdan
Djurovic, Sanja
Waisi, Hadi
Andjelkovic, Ana
Marisavljevic, Dragana
Keywords
ChlorophyllsPhotosynthesis
Plant health
hlorofili
fotosinteza
zdravlje biljaka
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Show full item recordAbstract
As photosynthesis is the basic process during which light energy is absorbed and converted
into organic matter, the importance of the plant pigment chlorophyll (a and b forms) as an intermediary
in transformation of the absorbed solar energy and its activity in the process of photosynthesis
and synthesis of organic substances in plants are crucial. Therefore, this paper provides
an overview of methods for monitoring the optical activity of chlorophyll molecules and
methods (non-destructive and destructive) for quantification of chlorophyll in plants. These
methods are used to estimate the effects of different stress factors (abiotic, biotic and xenobiotic)
on the efficiency of photosynthesis and bioproductivity, aiming to assess the impact that
these limiting factors have on the yield of various cultivars. Also, those methods for analysis of
chlorophyll optical activity and/or content are appropriate for assessing the reaction of weed
species to different agricultural practices (mineral nutrition, treatment by herbicides, etc.) and
studies of different aspects of weed ecophysiology and their influence on crop harvest. Kako je proces fotosinteze osnovni proces tokom kojeg se svetlosna energija apsorbuje
i konvertuje u organsku materiju, ključni je značaj postojanja biljnog pigmenta hlorofila
(a i b forma) kao posrednika u transformaciji apsorbovane svetlosne energije i njegove aktivnosti
u procesu fotosinteze i sinteze organskih materija kod biljaka. Stoga je u radu dat
pregled metoda za praćenje optičke aktivnosti molekula hlorofila, kao i metoda (nedestruktivnih
i destruktivnih) kvantifikacije hlorofila u biljkama. Ove metode se primenjuju u proceni
uticaja različitih stresnih faktora (abiotskih, biotskih i ksenobiotskih) na efikasnost fotosinteze
i bioproduktivnost biljaka, sa ciljem procenjivanja uticaja koji ovi ograničavajući faktori
imaju na prinos useva. Takođe, pomenute metode za analizu optičke aktivnosti i/ili sadržaja
hlorofila su odgovarajuće i za procenu reakcije korova na različite poljoprivredne prakse
(mineralna ishrana, primena herbicida i sl.) i ispitivanje različitih aspekata ekofiziologije korova
i procenu njihovog uticaja na prinos useva.