Results 21 to 30 of about 99,752 (238)

Comparison of insecticidal efficacy of four natural substances against granary weevil (Sitophilus granarius [L.]) adults: does the combined use of the substances improve their efficacy?

Spanish Journal of Agricultural Research, 2017
Laboratory tests were carried out to evaluate the insecticidal efficacy of different natural inert dusts (diatomaceous earth, wood ash, quartz sand) and the leaf powder of Azadirachta indica A. Juss.
Tanja Bohinc, Stanislav Trdan
doaj   +1 more source

EFFICACY OF SOME INERT DUSTS AND THEIR MIXTURES ON SOME STORED PRODUCT INSECTS [PDF]

Journal of Plant Protection and Pathology, 2009
The present study were carried out under laboratory conditions of 28 + 1oC and 70 + 5% R.H. to evaluate the effectiveness of tricalcium phosphate (TCP) and diatomaceous earth dusts (DE) separately and mixtures against rice weevil; Sitophilus oryzae (L ...
S. Ibrahim, H. El-Zun, G. Zayed,
doaj   +1 more source

Differential Effects of Abiotic Factors on the Insecticidal Efficacy of Diatomaceous Earth against Three Major Stored Product Beetle Species

Agronomy, 2022
This study evaluated the influence of temperature and relative humidity (RH) on the insecticidal effect of diatomaceous earth (DE) at two concentrations, 500 and 1000 ppm, on wheat, for the control of Cryptolestes ferrugineus (Stephens) (Coleoptera ...
Georgia V. Baliota, Evagelia Lampiri, Christos G. Athanassiou   +2 more
doaj   +1 more source

INSECTICIDAL EFFECT OF SOME INERT DUSTS AGAINST THREE OF STORED GRAIN INSECTS AT MONOFEYA GOVERNORATE [PDF]

Journal of Plant Protection and Pathology, 2013
Laboratory and field studies were conducted to evaluate the effect of three inert dusts, diatomaceous earth, kaolin and katelsous as wheat grain protectants against some stored grain Sitophilus oryzae, Rhizopertha domininca and Tribolium confusum.
H. Hussain, Salwa Ahmed, A. Abd El-latif, H. El-Zun, Ferial El-Sayed   +4 more
doaj   +1 more source

Evaluating Diatomaceous Earth, Silica-Aerogel Dusts, and Malathion to Protect Stored Wheat from Insects [PDF]

, 2021
Excerpt from the report: The primary objectives of the research reported here were: (1) to determine, under actual field conditions, the relative effectiveness of malathion and two basic types of chemically inert dusts when mixed with wheat for the ...
White, Gailen D., Berndt, Wayne L., Wilson, Joseph L.   +2 more
core   +1 more source

Stationary distributions for diffusions with inert drift [PDF]

, 2010
Consider reflecting Brownian motion in a bounded domain in $${\mathbb R^d}$$ that acquires drift in proportion to the amount of local time spent on the boundary of the domain.
Hairer, Martin, Chen, Zhen-Qing, Bass, Richard F., Burdzy, K. (Krzysztof)   +3 more
core   +1 more source

RESULTS OF INVESTIGATIONS OF THE PROPERTIES, ACTIVITY AND APPLICATION OF PHYSICAL INSECTICIDES - INERT DUSTS [PDF]

, 1974
Among recent tendencies to substitute the chemical method of plant protection, physical insecticides have also some importance. Physical insecticides include inert dusts, i.e.
Maceljski, Milan, Zlatko Korunić, Danon, Moise, Milan Maceljski, Korunić, Zlatko, Moise Danon   +5 more
core   +1 more source

INSECTICIDAL EFFECT OF SOME INERT DUSTS AGAINST THREE OF STORED GRAIN INSECTS AT KAFR EL-SHEIKH GOVERNORATE [PDF]

Journal of Plant Protection and Pathology, 2010
Laboratory and field studies were conducted to evaluate the effect of three inert dusts, diatomaceous earth, kaolin and katelsous as wheat grain protectants against some stored grain insects, i.e., Sitophilus oryzae, Rhizopertha domininca and Tribolium ...
M Nasr, A. Abd El-latif, H. El-Zun, Ferial El-Sayed   +3 more
doaj   +1 more source

Modified Setup of 20-L-Sphere for the Determination of Safety Characteristics of Nano Powders

Chemical Engineering Transactions, 2013
This paper describes a modified experimental setup for the test apparatus 20-L-Sphere (also known as 20-L Siwek Chamber), that enables the test samples to be kept under inert atmospheric conditions nearly until ignition.
A. Krietsch, T.M. Romahn, M. Scheid, U. Krause   +3 more
doaj   +1 more source

Evaluation of a Greek Diatomaceous Earth for Stored Product Insect Control and Techniques That Maximize Its Insecticidal Efficacy

Applied Sciences, 2020
Laboratory bioassays were conducted to evaluate the insecticidal efficacy of a diatomaceous earth deposit from Greece, for a wide range of stored product insects. In this context, populations of five different insect species, Tribolium confusum Jacquelin
Georgia V. Baliota, Christos G. Athanassiou   +1 more
doaj   +1 more source