The whitefly Bemisia tabaci is a global pest, well-known for its capacity to transmit begomoviruses during sap sucking (<24h). Chemical control mainly adopted, aiming kill the insect before it acquires and transmits virus. In present study, we evaluated toxicity of 17 insecticides on B. subsequently determined lethal time this pest (only that caused mortality equal or greater than 80%). Here...

background: essential oils, as secondary plant compounds, present a safer alternative to conventional insecticides in insect control programs. so five essential oils including eucalyptus, mint, yarrow, oregano and rosemary oils were evaluated against the brown-banded cockroach supella longipalpa . methods : evaluation was done against the 3 rd and 4 th instar nymphs using three bioassay methods...

About 10% of 346 Penicillium cultures isolated from mold-fermented sausage synthesized the toxic metabolite penicillic acid on liquid media. Five of these producing cultures inoculated onto sausage failed to produce this toxin in up to 70 days of ripening. Several amino acids normally occurring in meat (cysteine, glutathione, arginine, histidine, and lysine) were found capable of readily reacti...

The residual cyclodiene insecticides aldrin (A), dieldrin (D), heptachlor (H) and isodrin (I) can be converted by sunlight and ultraviolet light to their corresponding respective photoisomers photoaldrin (PA), photodieldrin (PD), photoheptachlor (PH) and photoisodrin (PI) (1,2,3,4). PA, PD and PH appear to be more toxic than their parent compounds to adults of the housefly, Musca domestica L. a...

Introduction The competition for crops between human and insects is as old as agriculture. The use of chemical substances to control pests was started in the mid-1800s. In past, certain inorganic and organic compounds, including organochlorides, organophosphates, carbamatespyrethroids and formamides were used as insecticides. Because of the special properties of these chemicals, such as long re...

A previously healthy 1-year-old child with a traumatic acute subdural hemorrhage received 10 times higher dose of hypertonic saline inadvertently immediately before surgery. This case report describes deviations in fluid management needed to alleviate salt toxicity and its adverse effects during surgery under anesthesia perioperatively. The child made an uneventful recovery with no evident resi...

The behavior, bioavailability and toxicity of heavy metals in soil essentially relies on their chemical spices. This paper attempts to quantify the spices bound various fractions at five sampling stations (S1–S5) from Doustbaglu area, NW Iran, ascertain bioavailability, using sequential extraction. results revealed that more than 90% Cr Cu were retained residual fraction, signifying geogenic or...

PURPOSE: This is a review of the rationale for the intraperitoneal administration of antineoplastic agents in the management of ovarian cancer. PATIENTS AND METHODS: Patients have been treated in a number of clinical trials to define the toxicity profile and efficacy of intraperitoneal therapy in this clinical setting. RESULTS: Phase I-II trials have confirmed that a number of cytotoxic and bio...

One of the objectives our research was to study acute and residual toxicity some modern insecticides acaricides on natural laboratory populations known entomophages. The experiments were carried out in growing season 2016 2017 Department Entomology TSAU experimental base university. For experiments, widely used (Bi-58, Omite), as well recommended for PPIS - Vaulent, Mospilane taken.

Abstract Nanoemulsion of S. pepper could control cabbage pests but optimization is needed for the composition because low toxicity. The purpose this research was to optimized nanoemulsion using citronella waste that increases stability and reduces size particle. insecticidal activity tested leaves residual method. experimental design used a completely Randomized Design (CRD) which consisted fiv...