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WAKED,, D., MOHAMED, M., SALAMA, A. (2016). USING PSEUDOMONAS FLUORESCENS AS MICROBIAL BIOCONTROL AGENT AGAINST THE SPIDER MITE, TETRANYCHUS CUCURBITACEARUM (SAYED)(ACARI: TETRANYCHIDAE). Egyptian Journal of Agricultural Research, 94(3), 625-631. doi: 10.21608/ejar.2016.152670
DALIA A. WAKED,; MOHAMED E. MOHAMED; ALY SALAMA. "USING PSEUDOMONAS FLUORESCENS AS MICROBIAL BIOCONTROL AGENT AGAINST THE SPIDER MITE, TETRANYCHUS CUCURBITACEARUM (SAYED)(ACARI: TETRANYCHIDAE)". Egyptian Journal of Agricultural Research, 94, 3, 2016, 625-631. doi: 10.21608/ejar.2016.152670
WAKED,, D., MOHAMED, M., SALAMA, A. (2016). 'USING PSEUDOMONAS FLUORESCENS AS MICROBIAL BIOCONTROL AGENT AGAINST THE SPIDER MITE, TETRANYCHUS CUCURBITACEARUM (SAYED)(ACARI: TETRANYCHIDAE)', Egyptian Journal of Agricultural Research, 94(3), pp. 625-631. doi: 10.21608/ejar.2016.152670
WAKED,, D., MOHAMED, M., SALAMA, A. USING PSEUDOMONAS FLUORESCENS AS MICROBIAL BIOCONTROL AGENT AGAINST THE SPIDER MITE, TETRANYCHUS CUCURBITACEARUM (SAYED)(ACARI: TETRANYCHIDAE). Egyptian Journal of Agricultural Research, 2016; 94(3): 625-631. doi: 10.21608/ejar.2016.152670

USING PSEUDOMONAS FLUORESCENS AS MICROBIAL BIOCONTROL AGENT AGAINST THE SPIDER MITE, TETRANYCHUS CUCURBITACEARUM (SAYED)(ACARI: TETRANYCHIDAE)

Article 4, Volume 94, Issue 3, September 2016, Page 625-631  XML PDF (888.68 K)
Document Type: Original Article
DOI: 10.21608/ejar.2016.152670
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Authors
DALIA A. WAKED,1; MOHAMED E. MOHAMED1; ALY SALAMA2
1Plant Protection Research Institute, Agricultural Research Center, Dokki ,Giza, Egypt.
2Agricultural. Microbiol. Department, Faculty of Agriculture, Zagazig University, Egypt
Abstract
This study investigated Pseudomonas fluorescens as a potential biological control agent of Tetranychus cucurbitacearum by using two different methods; spraying and dipping. The earliest death occurred within the first day after the treatments. The highest mortality (100%) and the lowest 68.75% for the spraying bacterial treatment and 58.75% and 16.25% for the dipping. The longevity was shorter than control in both methods. Female longevity averaged 10.32 and 17.04 days for the spraying and the dipping while, 22.5 and 24.19 days in control. The bacterial treatment reduced the total deposited eggs in females to half approximately in the spraying method while, in the dipping method was nearly with the control. The chitinase enzyme present in the cell was confirmed by the positive result of chitin clearing zone.
Keywords
Pseudomonas fluorescens; Tetranychus cucurbitacearum; biological control; chitinase
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