Biological parameters and population development of Tetranychus urticae Koch, 1836 (Acari: Tetranychidae) on different pepper cultivars
Abstract
Pepper
cultivar preferences of Tetranychus urticae Koch, 1836 (Acari:
Tetranychidae) were determined by comparing its development, survival,
oviposition, life table parameters and population development under controlled
laboratory conditions with a 16L:8D photoperiod at 27±1ºC and 65±5% RH in Bursa (Turkey) during 2015-2016.
Based on assays performed on leaf discs of six pepper cvs BT-Ince Sivri,
BT-Burdem, BT-Burkalem, AHCRI-Çarliston, AHCRI-Yağlık and AHCRI-Kandil Dolma,
there were significant differences in egg hatch, juvenile development duration,
intrinsic rate of natural increase (rm), net reproductive rate (Ro)
and mean generation time (T) of the mite. The study showed that the life table
parameters, rm (0.16-0.24), Ro (10.99-35.19) and T(14.22-16.39)
for T. urticae were different when it was fed on different pepper
cultivars. Significantly lower life table parameter values (rm, Ro
and T) for T. urticae were observed on cv. BT-Ince Sivri, followed by
cvs BT-Burdem and BT-Burkalem. Additionally, the mite densities on pepper
seedlings of these three cultivars were significantly lower compared with those
on seedlings of cvs AHCRI-Çarliston, AHCRI-Yağlık and AHCRI-Kandil Dolma.
Furthermore, a lower survival rate was observed during juvenile development on
cv. BT-Ince Sivri. Among the pepper cultivars, cv. BT-Ince Sivri had the lowest
life table parameter values. Thus, the findings suggest that cvs
AHCRI-Çarliston, AHCRI-Yağlık and AHCRI-Kandil Dolma are more susceptible to T.
urticae than cvs Bursa BT-Ince Sivri, BT-Burdem and BT-Burkalem.
Keywords
References
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Details
Primary Language
English
Subjects
-
Journal Section
Research Article
Authors
Nabi Kumral
Uludag University
Türkiye
Pınar Hephızlı Göksel
This is me
Atatürk Horticultural Central Research Institute, Yalova, Turkey
Türkiye
Elif Aysan
Uludag University
Türkiye
Ayşenur Kolcu
This is me
Uludag University
Türkiye
Publication Date
September 4, 2017
Submission Date
March 10, 2017
Acceptance Date
July 20, 2017
Published in Issue
Year 2017 Volume: 41 Number: 3
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