APPLICATION OF HERBICIDE IN PADDY FIELDS INOCULATED WITH AZOTOBACTER CHROOCOCCUM

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SHIRZAD CHENARI AKBAR; AMINPANAH HASHEM; SHARIFI PEYMAN

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Journal: JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE) Year:2017 | Volume:11 | Issue:1 (41) Page(s): 211-227

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Title

APPLICATION OF HERBICIDE IN PADDY FIELDS INOCULATED WITH AZOTOBACTER CHROOCOCCUM

Author(s)

SHIRZAD CHENARI AKBAR | AMINPANAH HASHEM | SHARIFI PEYMAN | Issue Writer Certificate

Keywords

BENSULFURON METHYLQ1

PLANT GROWTH-PROMOTING RHIZOBACTERIAQ1

PRETILACHLORQ1

RICEQ2

YIELD LOSSQ2

WEEDQ2

Abstract

A field experiment was conducted at Rasht, in 2014, to investigate controlling WEEDs in native Hashemi cultivar paddy fields by different methods of herbicide applications and inoculated withAzotobacter chroococcum. The factorial experiment based on a randomized complete block design with three replicates was performed.Factors were Azotobacter application with two levels (inoculation with or without Azotobacter chroococcum) and WEED management regimes with six levels (pretilachlor plus a supplementary hand WEEDing, BENSULFURON METHYL plus a supplementary hand WEEDing, and PRETILACHLOR+BENSULFURON METHYL plus a supplementary hand WEEDing, hand WEEDing during RICE growing period+no herbicide, un-weeded during RICE growing period+no herbicide). Results indicated that paddy RICE yield was significantly increased by 16% afterAzotobacter chroococcum inoculation. RICE paddy yield was significantly reduced in un-weeded plots compared to hand WEEDed and herbicide treated plots. ANOVA also revealed that there was no interaction effect between Azotobacter chroococcumapplications and WEED management regimes on paddy and biological yields, indicating that the herbicides had no adverse effect on Azotobacter efficiency in promoting growth and paddy yield of RICE. WEED dry weight was reduced by 88, 91, 92, and 94 percentages in WEEDed plot and plots treated with PRETILACHLOR, BENSULFURON METHYL, and PRETILACHLOR+BENSULFURON METHYL, respectively, compared to un-weeded plots.Azotobacter chroococcum inoculation had no significant effect on WEED biomass. Overall, the result of this experiment confirmed the feasibility of chemical WEED control in paddy fields inoculated withAzotobacter chroococcum.

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APA: Copy

SHIRZAD CHENARI, AKBAR, AMINPANAH, HASHEM, & SHARIFI, PEYMAN. (2017). APPLICATION OF HERBICIDE IN PADDY FIELDS INOCULATED WITH AZOTOBACTER CHROOCOCCUM. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), 11(1 (41) ), 211-227. SID. https://sid.ir/paper/182648/en

Vancouver: Copy

SHIRZAD CHENARI AKBAR, AMINPANAH HASHEM, SHARIFI PEYMAN. APPLICATION OF HERBICIDE IN PADDY FIELDS INOCULATED WITH AZOTOBACTER CHROOCOCCUM. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE)[Internet]. 2017;11(1 (41) ):211-227. Available from: https://sid.ir/paper/182648/en

IEEE: Copy

AKBAR SHIRZAD CHENARI, HASHEM AMINPANAH, and PEYMAN SHARIFI, “APPLICATION OF HERBICIDE IN PADDY FIELDS INOCULATED WITH AZOTOBACTER CHROOCOCCUM,” JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), vol. 11, no. 1 (41) , pp. 211–227, 2017, [Online]. Available: https://sid.ir/paper/182648/en

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