ANTIXENOSIS RESISTANCE TO WOOLLY POPLAR APHIDIN PHLOEOMYZUS PASSERINII SIGN. (HOM.: APHIDIDAE) DIFFERENT POPLAR CLONES

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RAJABI MAZHAR N.A.; MOHARAMIPOUR S.; SADEGHI SEYED EBRAHIM

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Journal: Journal of Entomological Society of Iran Year:2003 | Volume:22 | Issue:2 Page(s): 31-44

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Title

ANTIXENOSIS RESISTANCE TO WOOLLY POPLAR APHIDIN PHLOEOMYZUS PASSERINII SIGN. (HOM.: APHIDIDAE) DIFFERENT POPLAR CLONES

Author(s)

RAJABI MAZHAR N.A. | MOHARAMIPOUR S. | SADEGHI SEYED EBRAHIM | Issue Writer Certificate

Keywords

POPULUSQ3

RESISTANCEQ2

ANTIXENOSISQ3

PHLOEOMYZUS PASSERINIIQ4

WOOLYAPHIDQ4

Abstract

Antixenosis is defined as a RESISTANCE mechanism affecting pest establishment on their host plants. In this study, ANTIXENOSIS mechanism were evaluated in twelve poplar clones belonging to four species namely, POPULUS alba, P. nigra, P. deltoides and P. x. euramericana against poplar woolly aphid PHLOEOMYZUS PASSERINII Sign. Poplar cuts of each clone, placed in plastic jars containing water, were rest in growth chamber. The length and diameters of poplar cuts were 20 and 1-1.5 centimeter, respectively. A single cut of every poplar clones along with an aphid - infested cut were wrapped together with an elastic string. The bunch was then placed in controlled conditions of 60-70% RH, 20-22 Celsius and 16: 8 L: D photoperiods. After two days, the infested cut was taken away from the bunch, and aphid numbers were counted on each single cut. The cuts were placed together for second time, and the numbers of aphids were recorded on a two-day interval basis. Subsequently, the experiment was carried out with 18 replications. Statistical analysis revealed a significant difference (P<0.01) in aphid numbers among the clones. Number of aphids settled on POPULUS alba 58/57 (0.31 aphid/cut) was significantly less than the other clones. Consequently, a conclusion can be reached that this clone might be an immune poplar against the pest. Other than POPULUS alba 58/57,a number of clones including: POPULUS nigra 62/149; POPULUS nigra 62/72; POPULUS x euramericana 214; POPULUS deltoides 72/51 and POPULUS nigra 62/140 exhibited significantly low aphids density (2.54-4.91 aphid/cut). Therefore, it could be concluded that these clones contained a high level of ANTIXENOSIS RESISTANCE. In contrast, aphid number recorded on P. nigra 56/72 (25.98 aphid/cut) was higher than the others, showing the most susceptible clone to P. passerinii establishment.

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APA: Copy

RAJABI MAZHAR, N.A., MOHARAMIPOUR, S., & SADEGHI, SEYED EBRAHIM. (2003). ANTIXENOSIS RESISTANCE TO WOOLLY POPLAR APHIDIN PHLOEOMYZUS PASSERINII SIGN. (HOM.: APHIDIDAE) DIFFERENT POPLAR CLONES. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), 22(2), 31-44. SID. https://sid.ir/paper/47966/en

Vancouver: Copy

RAJABI MAZHAR N.A., MOHARAMIPOUR S., SADEGHI SEYED EBRAHIM. ANTIXENOSIS RESISTANCE TO WOOLLY POPLAR APHIDIN PHLOEOMYZUS PASSERINII SIGN. (HOM.: APHIDIDAE) DIFFERENT POPLAR CLONES. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI)[Internet]. 2003;22(2):31-44. Available from: https://sid.ir/paper/47966/en

IEEE: Copy

N.A. RAJABI MAZHAR, S. MOHARAMIPOUR, and SEYED EBRAHIM SADEGHI, “ANTIXENOSIS RESISTANCE TO WOOLLY POPLAR APHIDIN PHLOEOMYZUS PASSERINII SIGN. (HOM.: APHIDIDAE) DIFFERENT POPLAR CLONES,” JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), vol. 22, no. 2, pp. 31–44, 2003, [Online]. Available: https://sid.ir/paper/47966/en

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