POPULATION DYNAMICS OF WEEVIL HYPOLIXUS PICA, THE NATURAL ENEMY OF WILD AMARANTH, AMARANTHUS RETROFLEXUS, IN CITRUS ORCHARDS AND IDENTIFICATION OF ITS PARASITOIDS IN DEZFUL

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POURTAHERZARI RAJABALI; SHISHEHBOR PARVIZ; ISLAMIZADEH RAHIM

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Journal: PLANT PROTECTION JOURNAL Year:2009 | Volume:1 | Issue:4 Page(s): 369-378

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Title

POPULATION DYNAMICS OF WEEVIL HYPOLIXUS PICA, THE NATURAL ENEMY OF WILD AMARANTH, AMARANTHUS RETROFLEXUS, IN CITRUS ORCHARDS AND IDENTIFICATION OF ITS PARASITOIDS IN DEZFUL

Author(s)

POURTAHERZARI RAJABALI | SHISHEHBOR PARVIZ | ISLAMIZADEH RAHIM | Issue Writer Certificate

Keywords

POPULATION DYNAMICSQ2

BIOCONTROL OF WILD AMARANTHQ3

HYPOLIXUS PICAQ3

AMARANTHUS RETROFLEXUSQ3

PARASITOIDSQ1

Abstract

Wild amaranth, AMARANTHUS RETROFLEXUS L. is one of the dominant summer weeds of citrus orchards in Dezful. Adults and larvae of snout beetle, HYPOLIXUS PICA (F.) feed on this weed and decrease its growth and reproduction. POPULATION DYNAMICS of H. pica was studied during the growing period of wild amaranth in a citrus orchard in Dezful. Every two weeks 30 plants (replications) were sampled and developmental stages of weevil were counted. The population of eggs started at the beginning of May and peaked in mid-July (23 eggs in 30 plants). In early November no eggs were observed. The population of larvae started in mid- May, increased gradually and peaked at the beginning of November (103 larvae in 30 plants). Pupae population started in mid-July and peaked in mid-September (24 pupae in 30 plants). Peak of adult female population was observed in the mid-September while adult male population had two peaks in early October and November. The population of PARASITOIDS started at the beginning of June. The lowest and the peak number of PARASITOIDS occured in early May and mid-August, respectively. The PARASITOIDS Habrobracon hebetor, Eurytoma curculionum and Cyrtoptx sp. had feeding activity on larvae.

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APA: Copy

POURTAHERZARI, RAJABALI, SHISHEHBOR, PARVIZ, & ISLAMIZADEH, RAHIM. (2009). POPULATION DYNAMICS OF WEEVIL HYPOLIXUS PICA, THE NATURAL ENEMY OF WILD AMARANTH, AMARANTHUS RETROFLEXUS, IN CITRUS ORCHARDS AND IDENTIFICATION OF ITS PARASITOIDS IN DEZFUL. PLANT PROTECTION JOURNAL, 1(4), 369-378. SID. https://sid.ir/paper/194080/en

Vancouver: Copy

POURTAHERZARI RAJABALI, SHISHEHBOR PARVIZ, ISLAMIZADEH RAHIM. POPULATION DYNAMICS OF WEEVIL HYPOLIXUS PICA, THE NATURAL ENEMY OF WILD AMARANTH, AMARANTHUS RETROFLEXUS, IN CITRUS ORCHARDS AND IDENTIFICATION OF ITS PARASITOIDS IN DEZFUL. PLANT PROTECTION JOURNAL[Internet]. 2009;1(4):369-378. Available from: https://sid.ir/paper/194080/en

IEEE: Copy

RAJABALI POURTAHERZARI, PARVIZ SHISHEHBOR, and RAHIM ISLAMIZADEH, “POPULATION DYNAMICS OF WEEVIL HYPOLIXUS PICA, THE NATURAL ENEMY OF WILD AMARANTH, AMARANTHUS RETROFLEXUS, IN CITRUS ORCHARDS AND IDENTIFICATION OF ITS PARASITOIDS IN DEZFUL,” PLANT PROTECTION JOURNAL, vol. 1, no. 4, pp. 369–378, 2009, [Online]. Available: https://sid.ir/paper/194080/en

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