Results 81 to 90 of about 223,439 (171)

Comparative Studies on the Cotton Bollworms Infestation on Certain Economic Crops at Kafr El-Sheikh Governorate, Egypt

Journal of Plant Protection and Pathology, 2019
Filed studies were carried out in Sakha Agricultural Research Station, Kafr El-sheikh governorate during the 2017/18 seasons to compare the three bollworm infestations (pink bollworm, Pectinophora gossypiella (Saund.), spiny bollworm, Earias insulana ...
H. Somaa
doaj   +1 more source

Two Decades of Bt Cotton in India: Impact and Policy Imperatives [PDF]

Genetically modified for resistance to bollworms, Bt cotton saw rapid adoption by farmers nationwide since its introduction in 2002. This paper examines the impact of Bt cotton adoption in India over two decades.
Reddy, A. Amarender, Prasad, Y.G.
core   +1 more source

Comparative evaluation of Bt and non-Bt cotton varieties against cotton Bollworm infestation in Ethiopia

Cogent Food & Agriculture
The cotton bollworm is a complex biotic problem that causes 36–60% yield loss. Controlling this pest was practiced by insecticides, but efforts have been made through genetic modification to reduce pesticide use and environmental pollution.
Workishet Taye, Zemedkun Alemu, Bedane Gudeta, Nurhussien Seid, Silesh Getahun, Donis Gurmessa, Samuel Demitew, Merdasa Balcha, Tadessa Daba, Alehegn Workie, Endale Gebre Kedisso, Dawit Tesfaye, Arkebe Gebre-Egziabher   +12 more
doaj   +1 more source

COTONSIMBAD system : modeling feeding behavior of cotton bollworms for evaluation of crop pest interactions

, 2003
The indeterminate growth habit of the cotton crop allows yield compensation in specific conditions of fruit shedding. This peculiarity complicates the determination of economic damage thresholds.
Nibouche, Samuel, Crétenet, Michel, Jallas, Eric, Martin, Pierre, Turner, S.   +4 more
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Guarding the cotton fields by refining the resilience against sucking pests: use of cutting-edge breeding and other techniques

Journal of Cotton Research
In addition to the negative consequences of climate change, sucking pest complexes severely limited cotton yields in the recent past. Although the damage caused by bollworms was much reduced by utilizing Bt cotton, the emergence of sucking pests (such as
G. Dinesh Kumar, N. Manikanda Boopathi, S. Geethanjali, A. Subramanian, S. Somasundaram, M. Kannan, N. Premalatha, V. G. Shobhana, N. Ramya Selvi, D. K. Nivetha, A. Akash, R. Ravikesavan   +11 more
doaj   +1 more source

Issue Information

Plant Biotechnology Journal, Volume 24, Issue 6, Page 3497-3498, June 2026.
Cover credit: 30 years ago, China developed homegrown Bt cotton. It eradicated bollworms, now commanding >99% of the market on 510 million mu, cutting pesticide use by 650,000 tons and adding ¥65 billion—pioneering independent biotech innovation. The cover image highlights three decades of contributions to cotton harvests and the textile industry.
wiley   +1 more source

Field assessment of the effects of Cry1Ac and Cry1Ac + Cry2Ab Bt cotton against pink bollworm in Pakistan

Journal of Cotton Research
Background Transgenic cotton producing toxins derived from the bacterium Bacillus thuringiensis (Bt) is used globally to manage insect pests, including the pink bollworm, Pectinophora gossypiella, one of the most damaging pests of cotton.
Mahreen Hanif, Shafqat Saeed, Mudssar Ali, Muhammad Ishtiaq, Zulqurnain Khan, Xianchun Li, Jeffrey A. Fabrick   +6 more
doaj   +1 more source

Optimizing the Bacillus thuringiensis (Bt) protein concentration in cotton: Coordinated application of exogenous amino acids and EDTA to reduce spatiotemporal variability in boll and leaf toxins

Journal of Integrative Agriculture
During the boll formation stage, cotton bolls exhibit the lowest expression of Bacillus thuringiensis (Bt) insecticidal proteins. Resistance to insects varies notably among different organs, which poses challenges for controlling cotton bollworms ...
Zhenyu Liu, Shu Dong, Yuting Liu, Hanjia Li, Fuqin Zhou, Junfeng Ding, Zixu Zhao, Yinglong Chen, Xiang Zhang, Yuan Chen, Dehua Chen   +10 more
doaj   +1 more source

THE IMPACTS OF U.S. COTTON PROGRAMS ON THE WEST AND CENTRAL AFRICAN COUNTRIES COTTON EXPORT EARNINGS [PDF]

This study uses a stochastic simulation approach based on a partial equilibrium structural econometric model of the world fiber market to examine the effects of a removal of U.S. cotton programs on the world market. The effects on world cotton prices and
Pan, Suwen, Mohanty, Samarendu, Fadiga, Mohamadou L.   +2 more
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Evaluation of Bt Cotton Hybrids 2012-13 [PDF]

, 2013
uploaded by Dr. M. SabeshThe technical programme for evaluation of the Bt cotton hybrids through ICAR trials during 2012-13 was formulated under the Chairmanship of the Deputy Director General (Crop Sciences), Indian Council of Agricultural Research, New
AICRP on Cotton Technical Cell Members
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