Results 41 to 50 of about 2,557 (181)

Effect of the secondary substances from wheat on the growth and digestive physiology of cotton bollworm Helicoverpa armigera (Lepidoptera: Noctuidae)

European Journal of Entomology, 2006
Three secondary compounds, pyrocatechol, gramine and ferulic acid from wheat were separately incorporated into artificial diets and fed to cotton bollworm Helicoverpa armigera (Hübner) larvae to determine their effects on larval and pupal weights and the
Yu WANG, Qing-Nian CAI, Qing-Wen ZHANG, Ying HAN   +3 more
doaj   +1 more source

Response of Cytochrome P450 Expression to Maize Volatiles in Helicoverpa armigera (Hübner)

Journal of Integrative Agriculture, 2013
The 7-ethoxycoumarin O-deethylase (ECOD) activities of cytochrome P450s and differential expression of six cytochrome P450 genes induced by the volatiles from both damaged and undamaged maize plants were investigated in the cotton bollworm, Helicoverpa ...
Shao-ying WU, Xue-yan SHI, Yi WANG, Xi-wu GAO   +3 more
doaj   +1 more source

Effect of pyramiding Bt and CpTI genes on resistance of cotton to Helicoverpa armigera (Lepidoptera: Noctuidae) under laboratory and field conditions

, 2011
Transgenic cotton (Gossypium hirsutum L.) varieties, adapted to China, have been bred that express two genes for resistance to insects. the Cry1Ac gene from Bacillus thuringiensis (Berliner) (Bt), and a trypsin inhibitor gene from cowpea (CpTI ...
Xia, J.Y., Cui, J.J., Werf, W., van der, Luo, J.Y., Ma, Y., van der Werf, W.   +5 more
core   +1 more source

Relationship between cotton planting date and two bollworms associated with their natural enemies

Bulletin of the National Research Centre, 2021
Background Cotton is the most widespread, profitable non-food crop in the world. Egypt is one of the greatest countries in producing cotton (Gossypium hirsutum L.) in the world.
Zakaria Abdelhalim Attia, Laila Ebada, Nasr Mohamed Abdelmaksoud   +2 more
doaj   +1 more source

Biopotency of Salicylic Acid against Oviposition and Feeding Behavior of Pectinophora gossypiella in Cotton

Biology and Life Sciences Forum, 2023
Pectinophora gossypiella (Saunders) is a potential threat for the successful cultivation of cotton all over the world. Despite the use of modern management strategies, the damage caused by this pest is increasing.
Muhammad Rehan Akhtar, Muhammad Jalal Arif   +1 more
doaj   +1 more source

Evaluating the Management of Bollworm (Lepidoptera: Noctuidae) in Cotton

, 2021
In field experiments, thresholds, spray timings, and bollworm oviposition were conducted to evaluate the current recommended action thresholds for bollworm (Lepidoptera: Noctuidae) in cotton.
Francis, Michael Cade
core  

Effect of Novel Insecticides on Sucking Pests and Pink Bollworm in Cotton Plants under Field Conditions

, 2023
The study investigated that the effectiveness of various novel insecticides for controlling sucking pests and pink bollworm in cotton cultivation over a three-year period.
Chauhan, Sreedhar, Rajashekar, K.
core   +1 more source

Is the Philippines ready for the large-scale cultivation of Bt cotton?

GM Crops & Food
The Philippine Bureau of Plant Industry released on August 24, 2023, a biosafety permit approving the commercial propagation of Bt cotton in the country.
Rosalyn B. Angeles-Shim, Georgina V. Vergara   +1 more
doaj   +1 more source

Degree day-based model predicts pink bollworm phenology across geographical locations of subtropics and semi-arid tropics of India

Scientific Reports, 2021
There is a global concern about the effects of climate change driven shifts in species phenology on crop pests. Using geographically and temporally extensive data set of moth trap catches and temperatures across the cotton growing states of India, we ...
Babasaheb B. Fand, V. S. Nagrare, S. K. Bal, V. Chinna Babu Naik, B. V. Naikwadi, D. J. Mahule, Nandini Gokte-Narkhedkar, V. N. Waghmare   +7 more
doaj   +1 more source

Optimizing Rearing of Helicoverpa zea: Impacts of Pupal Maturity, Emergence Synchrony, and Adult Cohort Size

Insects
The bollworm/corn earworm, Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae), is one of the most economically damaging crop pests in North America. Colonies of H.
Shucong Lin, Tiago Silva, Bhavana Patla, Graham P. Head, Fangneng Huang   +4 more
doaj   +1 more source