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Title

SYSTEMIC INDUCED RESISTANCE (SIR) IN ZUCCHINI BY FOLIAR SPRAY OF FOSFALIM-K AGAINST TWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH

Pages

  1-13

Abstract

 Heavy agricultural use of fertilizers and pesticides has caused tremendous harm to the environment as well as human population. In order to conserve food and environmental safety and avoid pesticide resistant pests, application of alternative methods in integrated PEST MANAGEMENT (IPM) is needed. IPM is a combination of crop protection practices to keep pests below economic threshold, and one of them is use of resistant host plant. Different factors such as application of fertilizers and pesticides, irrigation and creating optimum conditions for host plant can affect its resistance to pests and diseases. To analyze the effects of foliar spray of phosphorus and potassium on the induction of systemic resistance to the host plant againstTetranychus urticae Koch, three FOSFALIM-K concentrations (1=sub-optimal, 10=optimal and 30=supra-optimal ml L-1) and control were sprayed on ZUCCHINI and life table parameters of T. urticae were studied in the laboratory conditions. Foliar treatments were applied three times. The raw data were analyzed based on the age-stage, two-sex life table theory. The intrinsic rate of increase (r), the finite rate (l), the net reproduction rate (R 0) and the mean generation time (T) of T. urticae on control were 0.166d-1, 1.18d-1, 10.72 offspring and 14.17d respectively. The systemic induced resistance by FOSFALIM-K is expressed in significantly decreased the values of mentioned parameters in the mites fed on plants sprayed with optimal and supra-optimal concentrations (0.111d-1, 1.11d-1, 4.92 offspring, 14.2d and 0.111d-1, 1.11d-1, 3.73 offspring, 11.75d respectively). The age-stage life expectancy and reproductive value were also calculated.

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    APA: Copy

    KHODAYARI, S., & ABEDINI, F.. (2018). SYSTEMIC INDUCED RESISTANCE (SIR) IN ZUCCHINI BY FOLIAR SPRAY OF FOSFALIM-K AGAINST TWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH. PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE), 40(4 ), 1-13. SID. https://sid.ir/paper/164980/en

    Vancouver: Copy

    KHODAYARI S., ABEDINI F.. SYSTEMIC INDUCED RESISTANCE (SIR) IN ZUCCHINI BY FOLIAR SPRAY OF FOSFALIM-K AGAINST TWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH. PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2018;40(4 ):1-13. Available from: https://sid.ir/paper/164980/en

    IEEE: Copy

    S. KHODAYARI, and F. ABEDINI, “SYSTEMIC INDUCED RESISTANCE (SIR) IN ZUCCHINI BY FOLIAR SPRAY OF FOSFALIM-K AGAINST TWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH,” PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 40, no. 4 , pp. 1–13, 2018, [Online]. Available: https://sid.ir/paper/164980/en

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