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Abstract

The fall armyworm, Spodoptera frugiperda (J.E.Smith.), is an important pest that has developed resistance to Bt corn in several countries. In this study, leaf-tissue bioassays and whole-plant tests were conducted to evaluate the performance of a Bt-susceptible (aabb), a Cry1A.105/Cry2Ab2 dual-gene...

Author(s)
Zhu ChengQi; Niu Ying; Zhou YiWan; Guo JianGuo; Head, G. P.; Price, P. A.; Wen XiuJun; Huang FangNeng
Publisher
Elsevier Ltd, Oxford, UK
Citation
Crop Protection, 2019, 115, pp 84-91
Abstract

The fast fruiting and early maturing cotton varieties demand higher potassium (K) supply to achieve full yield potential. The supplemental foliar application of K may enhance the efficacy of soil applied basal dose of K. The main objective of this study was to quantify the impact of foliar...

Author(s)
Muhammad Tariq; Afzal, M. N.; Dilbaugh Muhammad; Shakeel Ahmad; Shahzad, A. N.; Aysha Kiran; Abdul Wakeel
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Field Crops Research, 2018, 229, pp 37-43
Abstract

BACKGROUND: Pink bollworm (PBW) adaptation to transgenic Bacillus thuringiensis (Bt) cotton expressing crystal 1Ac (Cry1Ac) (Bt-I) and Cry1Ac+Cry2Ab (Bt-II) was assessed in India during 2010-2017 in 38 districts of the 10 major cotton-growing states. RESULTS: PBW larval incidence on Bt cotton was...

Author(s)
Naik, V. C. B.; Sujit Kumbhare; Sandhya Kranthi; Usha Satija; Kranthi, K. R.
Publisher
Wiley, Chichester, UK
Citation
Pest Management Science, 2018, 74, 11, pp 2544-2554
Abstract

BACKGROUND: To improve resistance management strategies for Bacillus thuringiensis (Bt) crops, a better understanding of the relative fitness of pest genotypes with resistance alleles in the absence of Bt toxins is needed. Here, we evaluated the impact of costs of resistance to Bt toxin Cry1Ac on...

Author(s)
Carrière, Y.; Williams, J. L.; Crowder, D. W.; Tabashnik, B. E.
Publisher
Wiley, Chichester, UK
Citation
Pest Management Science, 2018, 74, 11, pp 2496-2503
Abstract

MON810 maize was first commercialized in 1997 and it is one of the most marketed genetically modified crops worldwide. Although MON810 maize has been studied extensively, its genetic stability and epigenetics have not been studied very well. We used next-generation sequencing to investigate the...

Author(s)
Ali, S. E. B.; Schamann, A.; Dobrovolny, S.; Indra, A.; Agapito-Tenfen, S. Z.; Hochegger, R.; Haslberger, A. G.; Brandes, C.
Publisher
Springer-Verlag GmbH, Berlin, Germany
Citation
European Food Research and Technology, 2018, 244, 8, pp 1473-1485
Abstract

A transgenic maize event ZD12-6 expressing a Bacillus thuringiensis (Bt) fusion protein Cry1Ab/Cry2Aj and a modified 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) protein G10 was characterized and evaluated. Southern blot analysis indicated that ZD12-6 is a single copy integration event. The...

Author(s)
Liu MiaoMiao; Zhang XiaoJing; Gao Yan; Shen ZhiCheng; Lin ChaoYang
Publisher
Zhejiang University Press, Hangzhou, China
Citation
Journal of Zhejiang University (Science B), 2018, 19, 8, pp 610-619
Abstract

The intergenerational transfer of plant defense compounds by aposematic insects is well documented, and since 2006, has been shown for Cry toxins. Cry toxins are proteins naturally produced by the soil bacterium Bacillus thuringiensis (Bt) and its genes have been expressed in plants to confer...

Author(s)
Souza, C. S. F.; Silveira, L. C. P.; Paula, D. P.; Andow, D. A.; Mendes, S. M.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2018, 13, 9, pp e0203791
Abstract

Saline-alkali soil is an arable land resource on which transgenic Bacillus thuringiensis (Bt) cotton has been planted on a large scale in accordance with food security strategies. There are, however, concerns about the insecticidal effects of Bt cotton on target insect pests. In this study, a Bt...

Author(s)
Luo JunYu; Zhang Shuai; Zhu XiangZhen; Ji JiChao; Zhang KaiXin; Wang ChunYi; Zhang LiJuan; Wang Li; Cui JinJie
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2018, 13, 9, pp e0198570
Abstract

Background: Bt crops will face a new ecological risk of reduced effectiveness against target-insect pests owing to the general decrease in exogenous-toxin content in Bt crops grown under elevated carbon dioxide (CO2). The method chosen to deal with this issue may affect the sustainability of ...

Author(s)
Li Zhuo; Parajulee, M. N.; Chen FaJun
Publisher
PeerJ, San Francisco, USA
Citation
PeerJ, 2018, 6, 5138, pp e5138
Abstract

Evidence of practical resistance of Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae) to Bt cotton in the United States is debatable, supported with occasional reports of boll damage in the field. Our objective was to provide both empirical and long-term observational evidence of practical...

Author(s)
Reisig, D. D.; Huseth, A. S.; Bacheler, J. S.; Aghaee, M. A.; Braswell, L.; Burrack, H. J.; Flanders, K.; Greene, J. K.; Herbert, D. A.; Jacobson, A.; Paula-Moraes, S. V.; Roberts, P.; Taylor, S. V.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Economic Entomology, 2018, 111, 4, pp 1824-1833

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