Results 1 to 10 of about 88,498 (154)

Chemical design and bioefficacy screening of new insect growth regulators as potential insecticidal agents against Spodoptera littoralis (Boisd.) [PDF]

open access: yesBiotechnology Reports, 2019
The 13 new compounds were chemically synthesized and their spectroscopic analysis was done to determine their chemical structure. All the compounds were screened for their insecticidal potential against Spodoptera littoralis (Boisd.).
Antar A. Abdelhamid   +3 more
doaj   +4 more sources

Compounds Inhibiting Noppera-bo, a Glutathione S-transferase Involved in Insect Ecdysteroid Biosynthesis: Novel Insect Growth Regulators [PDF]

open access: yesBiomolecules, 2023
Glutathione S-transferases (GSTs) are conserved in a wide range of organisms, including insects. In 2014, an epsilon GST, known as Noppera-bo (Nobo), was shown to regulate the biosynthesis of ecdysteroid, the principal steroid hormone in insects. Studies
Kana Ebihara, Ryusuke Niwa
doaj   +2 more sources

Evaluation of chemosterility effect of different insect growth regulators on population [PDF]

open access: yesScience Progress, 2023
The indiscriminate application of synthetic pesticides on horticultural plants for the management of Bactrocera zonata has both economic and environmental implications due to the biomagnification of harmful residues in humans via the food chain.
Muhammad Hasnain   +3 more
doaj   +2 more sources

Influence of Insect Growth Regulators on Stephanitis pyrioides (Hemiptera: Tingidae) Eggs and Nymphs [PDF]

open access: yesInsects, 2019
The azalea lace bug, Stephanitis pyrioides (Scott) (Hemiptera: Tingidae), is an important insect pest of azaleas (Rhododendron L. spp.) in the USA. Stephanitis pyrioides feeds on azalea foliage and causes extensive chlorosis, which reduces the aesthetic ...
Shimat V. Joseph
doaj   +2 more sources

Chemosterilant Potential of Insect Growth Regulators for Management of Bactrocera cucurbitae (Diptera: Tephritidae) [PDF]

open access: yesInsects
The melon fruit fly, Bactrocera cucurbitae, is an important insect pest responsible for significant yield losses in vegetables. Conventional control methods, like pesticide applications, have certain limitations, including environmental contamination ...
Iqra Kainat   +10 more
doaj   +2 more sources

Demographic toxicology of insect growth regulators on the nontarget ectolarval parasitoid Habrobracon hebetor [PDF]

open access: yesScientific Reports
Habrobracon hebetor Say (Hymenoptera: Braconidae) is one of the most important parasitoids of many pyralid moths, including the olive leaf moth, Palpita unionalis Hubner (Lepidoptera: Pyralidae).
Amany N. Mansour   +3 more
doaj   +2 more sources

Comparative impact of insect growth regulators on mortality and development of Amrasca biguttula (Hemiptera: Cicadellidae). [PDF]

open access: yesPLoS ONE
The two-spot cotton leafhopper, Amrasca biguttula (Ishida) (Hemiptera: Cicadellidae), recently detected in the United States, represents an emerging threat to cotton, vegetable, and ornamental crops. Insect growth regulators (IGRs) are considered reduced-
Sabrine Attia, Shimat V Joseph
doaj   +2 more sources

Are Entomopathogenic Fungal-based Insecticides and Insect Growth Regulator Mixtures Effective Against the Citrus Mealybug, Planococcus citri (Hemiptera: Pseudococcidae), Feeding on Coleus, Solenostemon scutellarioides, Plants under Greenhouse Conditions?

open access: yesHortScience, 2023
The citrus mealybug, Planococcus citri, is an insect pest of greenhouse-grown horticultural crops. Citrus mealybug causes plant damage when feeding on plant leaves, stems, flowers, and fruits, resulting in a substantial economic loss.
Raymond A. Cloyd , Nathan J. Herrick
doaj   +1 more source

ROLE OF INSECT GROWTH REGULATORS (IGRs) FOR COTTON LEAFWORM; Spodoptera Littoralis BOISD. AND CONSERVING TO SOME PREDATORS IN SUGAR BEET FIELDS [PDF]

open access: yesJournal of Plant Protection and Pathology, 2014
            The cotton leafworm, Spodoptera littoralis Boisd. is considered the most dangerous insect pest which threat the early sugar beet plantations. Because the conventional insecticides lead to much hazards to natural enemies, it has been important
Amira Ibrahim
doaj   +1 more source

Differential insecticide resistance in Bemisia tabaci (Hemiptera: Aleyrodidae) field populations in the Punjab Province of Pakistan

open access: yesHeliyon, 2022
The cotton whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) has a propensity for developing high-level resistance to insecticides. Management of B.
Muhammad Saleem   +7 more
doaj   +1 more source

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