ANTIXENOSIS RESISTANCE OF DIFFERENT POPLAR CLONES TO PTEROCOMMA POPULEUM IN LABORATORY CONDITION

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SADR M.; SADEGHI S.E.; MOHARAMIPOUR S.; OSTOVAN H.

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Journal: Year:2008 | Volume:13 | Issue:2 Page(s): 323-330

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Title

ANTIXENOSIS RESISTANCE OF DIFFERENT POPLAR CLONES TO PTEROCOMMA POPULEUM IN LABORATORY CONDITION

Author(s)

SADR M. | SADEGHI S.E. | MOHARAMIPOUR S. | OSTOVAN H. | Issue Writer Certificate

Keywords

POPLARQ3

CLONESQ3

ANTIXENOSISQ3

PTEROCOMMA POPULEUMQ3

Abstract

Antixenosis is defined as a resistance Populus mechanism affecting pest establishment on their host plants. In this study, ANTIXENOSIS mechanism were evaluated in ten POPLAR CLONES belonging to four species named, P.alba, Pnigra, P.deltoides and P.euramericana, against POPLAR stem aphid, PTEROCOMMA POPULEUM in laboratory condition in the year 2005. The study was carried out with four different experiments.POPLAR cuts of each clone were provided from Alborz Research Center of Karaj. The length and diameters of POPLAR cuts were 20 and 1-1.50 centimeter respectively. In the first experiment a single cut of every POPLAR clone along whit two aphid-infested cuts were wrapped together with an elastic string. The bunch was then placed in plastic jars.The height and diameter of the jars were 22 and 14centimeter respectively.24 and 48 hours after aphid release, the number of established aphids on every clone's cuts were counted and recorded. In the second experiment the cuts of the CLONES were bounded around a cylindrical stick (3 cm diameter) with an elastic string and a Petri dish 3.5 cm diameter was placed on it. About 50 wingless aphids were placed in the Petri. The third experiment was similar to the second one, but, 50 alate aphids were released in the Petri dish. The fourth ANTIXENOSIS experiment was done using an olfactometer. Fifty adult aphids were released in central container of the olfactometer. After 24 and 48, the number of aphids setteled on each clone cuts in lateral containers of the olfactometer were counted. Every experiment was replicated 10times. Statistical analysis revealed a significant differences (P<0.000) between tested CLONES in every four experiments.Comparison of means showed that numbers of aphid setteled on Populus nigra betolifolia and P.euramericana triplo CLONES were highest and lowest respectively.Other CLONES exhibited moderate level of aphid preference. All of the four experiments showed consistent results.

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APA: Copy

SADR, M., SADEGHI, S.E., MOHARAMIPOUR, S., & OSTOVAN, H.. (2008). ANTIXENOSIS RESISTANCE OF DIFFERENT POPLAR CLONES TO PTEROCOMMA POPULEUM IN LABORATORY CONDITION. JOURNAL OF AGRICULTURAL SCIENCES, 13(2), 323-330. SID. https://sid.ir/paper/7609/en

Vancouver: Copy

SADR M., SADEGHI S.E., MOHARAMIPOUR S., OSTOVAN H.. ANTIXENOSIS RESISTANCE OF DIFFERENT POPLAR CLONES TO PTEROCOMMA POPULEUM IN LABORATORY CONDITION. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2008;13(2):323-330. Available from: https://sid.ir/paper/7609/en

IEEE: Copy

M. SADR, S.E. SADEGHI, S. MOHARAMIPOUR, and H. OSTOVAN, “ANTIXENOSIS RESISTANCE OF DIFFERENT POPLAR CLONES TO PTEROCOMMA POPULEUM IN LABORATORY CONDITION,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 13, no. 2, pp. 323–330, 2008, [Online]. Available: https://sid.ir/paper/7609/en

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