Paper Information

Journal:   BIOLOGY JOURNAL   SUMMER 2009 , Volume 4 , Number 2; Page(s) 1 To 8.
 
Paper:  STUDY OF DIAZINON EFFECTS ON AEGILOPS COLUMNARIS ZHUK GROWTH FACTORS
 
Author(s):  SAADATMAND S., NOORI M.*, ZARNEGARPOOR H.A., NEJADSATTARI T., FALAHIAN F., BARJASTEH A.
 
* DEPARTMENT OF BIOLOGY, FACULTY OF SCIENCE, UNIVERSITY OF ARAK, ARAK, IRAN
 
Abstract: 
Diazinon [O, O-Diethyl O- (2-isopropyl 1-6-methyl- 4 Pryimidinyl) Phosphorothioate] is an organophosphorus pesticide (OPP) that is used as an extensive pesticide more than 40 years in agriculture. It is easily washed into surface waters, enters the ground water and accumulates in soil and living organisms. Eventually effect on ecosystem.
Studies on diazinon effects on growth parameters in Aegilops columnaris carried out. Five treatment pots were prepared: 1 (0 diazinon, control), 2 (0.01 diazinon, 1 time exposure), 3 (0.01 diazinon, 2 times exposure), 4 (0.001 diazinon, 1 time exposure) and 5 (0.001 diazinon, 2 times exposure).
Ten Aegilops columnaris seeds were treated in each pot. Each treatment had 10 repetitions. After 2 weeks under equal condition in growth chamber all of samples except control were exposured with diazinon and after 3 weeks treatments 3 and 5 received diazinon. Then 16 growth parameters were measured and calculated for all of control and treated plants. Data analyzed using EXCEL and SPSS (significant correlation at 0.05). Results showed although diazinon is effective on pest’s extinction and protects yield of damage but reduces total dry weight, root length, chlorophyll and photosynthesis in treated diazinon plants in comparison with control. Also Correlations are significant (P<0.05) in total dry weight with root length and chlorophyll with photosynthesis.
 
Keyword(s): DIAZINON [O, O-DIETHYL O- (2-ISOPROPYL 1-6-METHYL-4 PRYIMIDINYL)], PESTICIDE, AEGILOPS COLUMNARIS, GROWTH FACTORS
 
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