Sampling Techniques for Thrips (Thysanoptera: Thripidae) in Preflowering Tomato

Joost, P. Houston; Riley, David G.

doi:10.1603/0022-0493-97.4.1450

Cited by 9 publications

(4 citation statements)

References 14 publications

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“…A white porcelain plate (46 cm length × 36 cm width × 3.5 cm height), modified from Joost and Riley, was used to monitor the density of BPH nymphs and adults at Changxing Iin 2011 and 2012. This plate is made of metal, and its surface is painted white.…”

Section: Methodsmentioning

confidence: 99%

Transgenic cry1C or cry2A rice has no adverse impacts on the life‐table parameters and population dynamics of the brown planthopper, Nilaparvata lugens (Hemiptera: Delphacidae)

Liu

Han

et al. 2014

Pest Management Science

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Section: Methodsmentioning

confidence: 99%

Transgenic cry1C or cry2A rice has no adverse impacts on the life‐table parameters and population dynamics of the brown planthopper, Nilaparvata lugens (Hemiptera: Delphacidae)

Liu

Han

et al. 2014

Pest Management Science

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“…Individual rice plants were sampled with a white porcelain plate (36 by 46 by3.5 cm), modiÞed from Joost and Riley (2004) and Bacci et al (2008). On each sampling date, 30 plants were sampled at random along a diagonal line of each tested plot either during the seedling stage or the stage after transplantation.…”

Section: Methodsmentioning

confidence: 99%

Impacts of SixBtRice Lines on Nontarget Rice Feeding Thrips Under Laboratory and Field Conditions

Akhtar¹,

Tian²,

Chen³

et al. 2010

Environ Entomol

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Nontarget impacts of six transgenic Bt rice lines (expressing the Cry1Ab or Cry1Ab/ Cry1Ac protein) on the thrips, Stenchaetothrips biformis (Bagnall), attacking the rice seedling and tillering stages, were evaluated under laboratory and Þeld conditions. Laboratory results showed relatively longer larval, pupal development and preoviposition durations of S. biformis. Although it had a shorter oviposition period, female adult longevity and less total laid eggs were found when fed on some tested Bt rice in comparison to non-Bt controls. S. biformis population dynamics in Bt and non-Bt plots were monitored using the plastic bag and beat plate methods. In the Þeld, the temporal patterns of S. biformis population changes were similar between tested Bt rice lines and their respective control; however, the total number of S. biformis individuals collected from the Bt plots were signiÞcantly less or the same, varying from variety to variety, compared with those from the non-Bt plots. ELISA results showed that the Bt insecticidal protein could be transferred from Bt rice to the thrips, and the concentrations of the protein in rice leaves and thrips were not signiÞcantly correlated with some important biological parameters of the thrip. In addition, the potential effects of Bt rice on the abundance of S. biformis candidate predators are also discussed. In conclusion, our results show that the six Bt rice lines assessed may be less preferable host plants to S. biformis at the individual and population levels in comparison to the non-Bt rice plants.

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“…A white porcelain plate (46 cm length × 36 cm width × 3.5 cm height), modified from Joost and Riley (2004), was used to monitor the population of WBPH at Changxing II during 2010-2012. This plate is made of metal and surface is painted with white paint.…”

Section: Sampling By the Beat Plate Methodsmentioning

confidence: 99%

Transgenic cry1Ab/vip3H+epsps Rice with Insect and Herbicide Resistance Acted No Adverse Impacts on the Population Growth of a Non-Target Herbivore, the White-Backed Planthopper, Under Laboratory and Field Conditions

Han

Tian

et al. 2014

Journal of Integrative Agriculture

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Numerous Bt rice lines expressing Cry protein derived from Bacillus thuringiensis Berliner (Bt) have been developed since 1989. However, the potential risks posed by Bt rice on non-target organisms still remain debate.The white-backed planthopper (WBPH), Sogatella furcifera (Horvá th), is one of the most economically important insect pests of rice in Asian countries and also one of the main non-target herbivores of transgenic rice. In the current study, impacts of transgenic cry1Ab/vip3H+epsps rice (G6H1) with both insect and herbicide resistance on WBPH were evaluated to ascertain whether this transgenic rice line had potential risks for this sap-sucking pest under laboratory and field conditions. The laboratory results showed that no significant difference in egg developmental duration, nymphal survival rate and female fecundity was found for WBPH between G6H1 and its non-transgenic isoline (XS110). However, the development duration of nymphs was significantly shorter and female longevity significantly longer when WBPH fed on G6H1 by comparison with those on its control. To verify the results found in laboratory, a 3-yr field trial was conducted to monitor WBPH population using both the vacuum-suction machine and beat plate methods. Although the seasonal density of WBPH nymphs and total density of nymphs and adults were not significantly affected by transgenic rice regardless of the sampling methods, the seasonal density of WBPH adults in transgenic rice plots was slightly lower than that in the control when using the vacuum-suction machine. Based on these results both from laboratory and field, it is clear that our tested transgenic rice line will not lead higher population of WBPH. However, long-term field experiments to monitor the population dynamics of WPBH at large scale need to be conducted to confirm the present conclusions in future.

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Sampling Techniques for Thrips (Thysanoptera: Thripidae) in Preflowering Tomato

Cited by 9 publications

References 14 publications

Transgenic cry1C or cry2A rice has no adverse impacts on the life‐table parameters and population dynamics of the brown planthopper, Nilaparvata lugens (Hemiptera: Delphacidae)

Transgenic cry1C or cry2A rice has no adverse impacts on the life‐table parameters and population dynamics of the brown planthopper, Nilaparvata lugens (Hemiptera: Delphacidae)

Impacts of SixBtRice Lines on Nontarget Rice Feeding Thrips Under Laboratory and Field Conditions

Transgenic cry1Ab/vip3H+epsps Rice with Insect and Herbicide Resistance Acted No Adverse Impacts on the Population Growth of a Non-Target Herbivore, the White-Backed Planthopper, Under Laboratory and Field Conditions

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