نتایج جستجو برای: toxic plant

تعداد نتایج: 465529  

Journal: :Ankara Üniversitesi Veteriner Fakültesi Dergisi 2008

2001
Manish Nivsarkar Bapu Cherian Harish Padh

Alpha-terthienyl, a naturally occurring secondary plant metabolite is found in abundance in the roots of Tagetes species (family Asterasceae). It is activated by ultraviolet light and is toxic to a number of insect species. It generates oxygen radical species and has capacity to inhibit several enzymes like both in vivo and in vitro. Alpha-terthienyl possesses all the desirable properties of a ...

Journal: :The American economic review 2015
Janet Currie Lucas Davis Michael Greenstone Reed Walker

Regulatory oversight of toxic emissions from industrial plants and understanding about these emissions' impacts are in their infancy. Applying a research design based on the openings and closings of 1,600 industrial plants to rich data on housing markets and infant health, we find that: toxic air emissions affect air quality only within 1 mile of the plant; plant openings lead to 11 percent dec...

Journal: :Chemosphere 2007
A Kapanen J R Stephen J Brüggemann A Kiviranta D C White M Itävaara

There is a great need to understand the environmental impacts of organic pollutants on soil health. Phthalates are widely used in consumables and can be found extensively. We studied the toxicity of diethyl phthalate (DEP), spiked in a compost plant growth substrate, by means of the acute toxicity Flash test and on the basis of the germination and plant growth of radish seedlings. The response ...

2014
Alessandra Ghiani Pietro Fumagalli Tho Nguyen Van Rodolfo Gentili Sandra Citterio

This study was undertaken to investigate combined toxic and genotoxic effects of cadmium (Cd) and arsenic (As) on white clover, a pollutant sensitive plant frequently used as environmental bioindicator. Plants were exposed to soil spiked with increasing concentrations of cadmium sulfate (20, 40 and 60 mg Kg-1) or sodium arsenite (5, 10 and 20 mg Kg-1) as well as with their combinations. Metal(l...

Journal: :Journal of nematology 2006
Susan L F Meyer Inga A Zasada Daniel P Roberts Bryan T Vinyard Dilip K Lakshman Jae-Kook Lee David J Chitwood Lynn K Carta

Extracts from the plants Plantago lanceolata and P. rugelii were evaluated for toxicity to the root-knot nematode Meloidogyne incognita, the beneficial microbes Enterobacter cloacae, Pseudomonas fluorescens and Trichoderma virens, and the plant-pathogenic fungi Fusarium oxysporum f. sp. gladioli, Phytophthora capsici, Pythium ultimum, and Rhizoctonia solani. Wild plants were collected, roots we...

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