Effects of strip intercropping of eggplant with soybean on densities of two-spotted spider mite Tetranychus urticae, species diversity of its natural enemies, and crop yield

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Kabiri Raeis Abad Mahdi; FATHI SEYED ALI ASGHAR; NOURI GANBALANI GADIR; AMIRI BESHELI BEHNAM

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Journal: Iranian Journal of Plant Protection Science Year:2019 | Volume:50 | Issue:1 Page(s): 27-39

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Title

Effects of strip intercropping of eggplant with soybean on densities of two-spotted spider mite Tetranychus urticae, species diversity of its natural enemies, and crop yield

Author(s)

Kabiri Raeis Abad Mahdi | FATHI SEYED ALI ASGHAR | NOURI GANBALANI GADIR | AMIRI BESHELI BEHNAM | Issue Writer Certificate

Keywords

Field experimentalQ1

land equivalent ratioQ1

predatorsQ1

Shannon’s diversity indexQ1

Abstract

In this research, the influence of eggplant monoculture (E), soybean monoculture (S), and three intercropping systems including two rows of eggplant with four rows of soybean (2E: 4S), two rows of eggplant with two rows of soybean (2E: 2S) and four rows of eggplant with two rows of soybean (4E: 2S) were studied on population densities of Tetranychus urticae Koch, diversity and abundance of its predators, and yield of both crops in an experimental field based on a randomized block design with four blocks during two cropping seasons (2016-2017). In both years, the densities of T. urticae eggs and mobile forms on eggplant and soybean were significantly lower in the three intercrops compared to monoculture systems (P < 0. 05). Moreover, the densities of T. urticae eggs and mobile forms were significantly higher on the soybean than the eggplant in each monoculture and intercrop system. The Shannon’ s diversity indexes (H') for T. urticae predators on eggplants were significantly higher in the three intercrops compared to the monoculture. Furthermore, the values of this index were greater in soybean monoculture and 2E: 4S intercrop than 2E: 2S and 4E: 2S systems (P < 0. 05). Values of the land equivalent ratio (LER) were higher in 2E: 4S relative to other intercrop systems in both years. Therefore, it could be concluded that 2E: 4S intercrop is the most suitable cropping system for using in integrated management of T. urticae in eggplant and soybean fields.

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APA: Copy

Kabiri Raeis Abad, Mahdi, FATHI, SEYED ALI ASGHAR, NOURI GANBALANI, GADIR, & AMIRI BESHELI, BEHNAM. (2019). Effects of strip intercropping of eggplant with soybean on densities of two-spotted spider mite Tetranychus urticae, species diversity of its natural enemies, and crop yield. IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 50(1 ), 27-39. SID. https://sid.ir/paper/399891/en

Vancouver: Copy

Kabiri Raeis Abad Mahdi, FATHI SEYED ALI ASGHAR, NOURI GANBALANI GADIR, AMIRI BESHELI BEHNAM. Effects of strip intercropping of eggplant with soybean on densities of two-spotted spider mite Tetranychus urticae, species diversity of its natural enemies, and crop yield. IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2019;50(1 ):27-39. Available from: https://sid.ir/paper/399891/en

IEEE: Copy

Mahdi Kabiri Raeis Abad, SEYED ALI ASGHAR FATHI, GADIR NOURI GANBALANI, and BEHNAM AMIRI BESHELI, “Effects of strip intercropping of eggplant with soybean on densities of two-spotted spider mite Tetranychus urticae, species diversity of its natural enemies, and crop yield,” IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 50, no. 1 , pp. 27–39, 2019, [Online]. Available: https://sid.ir/paper/399891/en

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