Results 21 to 30 of about 4,803 (181)
LC50 of 2-bromopropane was reexamined by using the OECD guideline in ICR mouse. The mice, 3 males and 3 females, were exposed to 2-bromopropane at five different concentrations for 4 h in inhalation chambers. The exposed animals were observed for 14 days. The animals which had survived and died were counted for the LC50 determination.
KIM, Hyeon Yeong +4 more
openaire +3 more sources
There is very limited aquaculture research on candidate probiotics and their effects on fish physiology. In this study, acute applications of four different molecularly identified bacterial species – Brevibacillus brevis FD-1 (A), Pseudomonas fluorescens
Alak Gonca +4 more
doaj +1 more source
Drivers of copper sensitivity in copepods: A meta-analysis of LC50s
Copper is both an essential trace element and a potent pesticide. The use of copper as an antifoulant has increased in the last decades in line with the expanding aquaculture and shipping industries. In aquatic environments, it also affects non-target taxa. One of which are copepods, which constitute the central link in the marine food web.
Heuschele, Jan David +5 more
openaire +4 more sources
Toxicity of soursop extracts to diamondback moth
This study aimed to evaluate the effects of three solvent extractors (water, ethanol and hexane) of grounded seeds of soursop, Annona muricata L. (Annonaceae), in the mortality, biology and oviposition of Plutella xylostella L. (Lepidoptera: Plutellidae).
Roseane Cristina Predes Trindade +3 more
doaj +1 more source
Salah satu hama utama yang menyerang dengan intensitas tinggi pada tanaman cabai adalah kutudaun (Aphis gossypii Glover). Bentuk pengendalian hama ini yang sering dilakukan adalah dengan penggunaan insektisida sintetik.
Lindia Rahayu Widia Santi +2 more
doaj +1 more source
Eucalyptus (Eucalyptus camaldulensis) and chinaberry (Melia azedarach) extracts' potential for sustainable control of root-knot nematode, Meloidogyne javanica [PDF]
Root-knot nematode has a widespread distribution and has caused significant damage, as in some cases, led to complete crop loss. Environment-friendly and safe methods are essential for the replacement of chemical nematicides.
Salma sadat Torabi, Azam Zeynadini Riseh
doaj +1 more source
Investigation of Toxicological Effects of di-2-ethylhexyl with Fish Embryo Test (FET) in Zebrafish (Danio rerio) [PDF]
Di(2-ethylhexyl)phthalate (DEHP) is a plasticizer in a variety of consumer products. Given the adverse toxicity effects of DEHP on living organisms, its high consumption and dispersal has been caused a serious concern. .
Nasrin Hassanzadeh, Hassan Malvandi
doaj
Some of the secondary metabolites present in red algae are terpenoids, quinones, flavonoids, alkaloids, essential oils, diarylheptanoids, steroids, cardioglycosides, oils and fats, tannins, carbohydrates. Activity of rhizomes, leaves and flowers red leaf
Enny Fachriyah +2 more
doaj +1 more source
Comparative toxicity of abamectin, cyromazine and spinosad against the leaf-miner fly, Liriomyza sativae (Dip.: Agromyzidae) [PDF]
The leaf-miner fly, Liriomyza sativae (Blanchard), is one of the major insect pests of vegetable crops in Iran and other countries. To determine the toxicity (LC50) of bioinsecticides abamectin 1.8% EC, cyromazine 75% WP and spinosad 24% SC against L ...
M. Rashid +3 more
doaj
Toxicity of Paraquat and Dicamba on Caenorhabditis Elegans LC50 Value
Paraquat and dicamba are chemicals commonly used in agriculture for plant control. The US Environmental Protection Agency (EPA) has classified paraquat into a restricted use class for use only by practitioners, as it is highly toxic. In this study, the effects of different concentrations of paraquat and dicamba toxic substances on C.
Alper Zöngür, Musa Sari
openaire +3 more sources

