Spatial distribution and population fluctuation of Tetranychus urticae (Koch) and Phytoseiulus persimilis (Athias-Henriot) in rose crops
Author(s) -
J Chac髇-Hern醤dez,
E Cerna-Ch醰ez,
Yisa María Ochoa Fuentes,
A Hern醤dez-Ju醨ez,
L Palacios-Bazald鷄,
Jerónimo Landeros-Flores
Publication year - 2016
Publication title -
phyton
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.202
H-Index - 17
eISSN - 1851-5657
pISSN - 0031-9457
DOI - 10.32604/phyton.2016.85.236
Subject(s) - tetranychus urticae , rose (mathematics) , population , horticulture , biology , greenhouse , botany , pest analysis , demography , sociology
Spatial and vertical distributions, and population !uctuationsof Tetranychus urticae and its predator Phytoseiulus persimiliswere determined in four varieties of rose (Royal, Samuray, Red Baiserand Keiro) under greenhouse conditions. Nine samples for the pestand 8 samples for the predator were obtained. From 20 Septemberto 18 November 2013, T. urticae and P. persimilis presented an aggregateddistribution pattern during most of the sampling dates. At thesame time, P. persimilis did not change the vertical distribution of T.urticae. A synchronous behavior between both predator and prey wasobserved in the four study varieties, although only the cultivars Royaland Samuray presented a signi"cant correlation (r= -0.708, P<0.05;r= 0.702, P<0.05, respectively).
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