Weakening density dependence from climate change and agricultural intensification triggers pest outbreaks: a 37-year observation of cotton bollworms [PDF]
Ecology and Evolution, 2014 Understanding drivers of population fluctuation, especially for agricultural pests, is central to the provision of agro-ecosystem services. Here, we examine the role of endogenous density dependence and exogenous factors of climate and human activity in ...
Fang Ouyang +7 more
semanticscholar +2 more sources
Agriculture & Food Security, 2018 Background Cotton (Gossypium hirsutum L.) cultivation in Ghana is constrained by bollworms that damage squares (flower buds) and developing bolls, resulting in loss in seed cotton yield.
Mumuni Abudulai +6 more
doaj +2 more sources
Contribution à l'élaboration d'un nouveau programme de protection phytosanitaire du cotonnier au Burundi [PDF]
Tropicultura, 1997 Contribution on the Elaboration of a New Cotton Protection Programme in Burundi. Yield losses caused by cotton pests are a major constraint for farmers in Burundi.
Carême, C.
doaj +1 more source
Biochemical and Histological Effects of some Natural Plant Essential Oils on Pink Bollworm, Pectinophora gossypiella (Saund.) and Spiny Bollworm, Earias insulana (Boisd.) Larvae [PDF]
Journal of Plant Protection and Pathology, 2020 Biochemical and histological studies were executed on 4th larval instar larvae of the Pink bollworm (PBW) and the spiny bollworm (SBW) treated as newly hatched larvae with LC50 for two tested oils (Jojoba oil, and flaxseed oil).
Tahany Abd–Elzaher +4 more
doaj +1 more source
EFFICACY OF Bacillus thuringiensis VAR. KURSTAKI (DIPEL 2X), NEEM EXTRACT AND CHLORPYRIFIOS-METHYL (RELDAN) AGAINST COTTON BOLLWORMS [PDF]
Journal of Plant Protection and Pathology, 2007 The efficacy of Bacillus thuringensis subsp. Kurstaki (Dipel 2X), neem extract (Azadirachtin) and reldan (Chlorpyrifios-methyl) for management of cotton bullworms (Earias insulana “Boisd” and Pectinophora gossypiella “Saunders”) were studied under field ...
O. Diab +3 more
doaj +1 more source
Toxicological and Biological Effects of Jojoba and Flaxseed oils against Pink Bollworm Pectinophora gossypiella (Saund.) and Spiny Bollworm Earias insulana (Boisd.) [PDF]
Journal of Plant Protection and Pathology, 2020 Toxicity of Jojoba and Flax oils against laboratory strains of pink bollworm, Pectinophora gossypiella (Saund.) and spiny bollworm, Earias insulana (Boisd.) newly hatched larvae was tested.
Amira Rashad +4 more
doaj +1 more source
INFLUENCE OF PHENOL COMPOUND ON SOME BIOLOGICAL ASPECTS OF THE THREE COTTON BOLLWORM SPECIES UNDER CONSTANT TEMPERATURE [PDF]
Journal of Plant Protection and Pathology, 2014 The experiments were conducted in Plant Protection Research Institute, Sharkia branch, Agriculture Research Center to study the toxic and biological effects of phenol compound against the pink, spiny and American bollworms under controlled ...
A. Zaki
doaj +1 more source
, 2021 Background The effectiveness of Bacillus thuringiensis ( Bt ) cotton against target arthropod larvae is decreasing day by day. The comparative effect of Bt expression among Bt cotton varieties and different plant parts was observed against the cotton ...
M. Shahid +6 more
semanticscholar +1 more source
Evaluation of Ethephon Application on Bollworms, Pectinophora gossvpiella (Saund.) and Earias insulana (Bois.) Infestation and Boll Opening in Cotton Fields تقييم استخدام الإثيفون علي الإصابة بديدان اللوز وتفتيح لوز القطن في حقول القطن [PDF]
Journal of Plant Protection and Pathology, 2019 The present study was conducted at Sakha Agricultural Research Station, Kafr El—Sheikh governorate, Egypt during 2016 and 2017 late cotton seasons. Results showed that Ethephon (plant growth regulator) treatment gave the highest reduction percentage, 56 ...
عبد الخالق حاتم +2 more
doaj +1 more source
An Experimental Study of Certain Neonicotinoid Insecticides on the Incidence of Early Infestation of the Spiny and the American Bollworms, Growth and Lint Yield Characteristics of Cotton Plants [PDF]
Journal of Plant Protection and Pathology, 2017 The cotton bollworms are major pests that reduce yield and quality of the growing cotton crop all over the world. The Spiny bollworm (SBW) Earias insulana (Boisd.) and American bollworm (ABW) Helicoverpa armigera (Hüb) are two common injurious bollworms ...
H. El-Bassouiny
doaj +1 more source