Last edited by Daisar
Saturday, July 18, 2020 | History

2 edition of Herbicides, ecological effects, 1979-85 found in the catalog.

Herbicides, ecological effects, 1979-85

Jayne T. MacLean

Herbicides, ecological effects, 1979-85

207 citations

by Jayne T. MacLean

  • 329 Want to read
  • 39 Currently reading

Published by U.S. Dept. of Agriculture, National Agricultural Library in Beltsville, Md .
Written in English

    Subjects:
  • Plants -- Effect of herbicides on -- Bibliography.

  • Edition Notes

    Statementsearched by Jayne T. Maclean.
    GenreBibliography.
    SeriesQuick bibliography series -- NAL-BIBL. QB. 86-67., Quick bibliography series -- 86-67.
    ContributionsNational Agricultural Library (U.S.)
    The Physical Object
    Pagination19 p. ;
    Number of Pages19
    ID Numbers
    Open LibraryOL17561033M

    Beyond Pesticides offers the latest information on the hazards of pesticides and least-toxic alternatives, as well as ongoing projects including children's health, pollinators and pesticides, organic food and agriculture, mosquito control and organic lawn care. Pediatric Environmental health. 2nd ed. Elk Grove Village, American Academy of Pediatrics, •Jeyaratnam J. Acute pesticide poisoning: a major global health problem. World Health Stat Quarterly, •UNEP United Nations Children´s Fund and WHO. Children in the new millennium: environmental impact on health. UNEP, UNICEF, WHO,

    The impact of pesticides consists of the effects of pesticides on non-target ides are chemical preparations used to kill fungal or animal pests. Over 98% of sprayed insecticides and 95% of herbicides reach a destination other than their target species, because they are sprayed or spread across entire agricultural fields. Runoff can carry pesticides into aquatic environments while.   The food supply of birds that eat the seeds of weeds can also be reduced by herbicides. In Britain, Linnets, a type of seed-eating finch, have gone from being a rather common bird on agricultural lands to an extremely rare one due to this type of indirect herbicide effect.

    Lei Wu, Xiao-yi Ma, Hui-ling Peng, Jing Wang, Jia-xing Wen, Herbicide distribution and transport in subsurface environment of a tomato field in the Three Gorges Reservoir area, China, International Journal of Environmental Studies, /, 70, 4, (), (). herbicides, but allelochemicals may also have undesirable effects on non-target species, necessitating ecological studies before widespread use. Selective activity of tree allelochemicals on crops and other plants has also been reported. For example, Leucaena leucocephala, the miracle tree promoted for .


Share this book
You might also like
Writing with confidence

Writing with confidence

Freedom and authority in the West.

Freedom and authority in the West.

Arizona.

Arizona.

old mans folly

old mans folly

kisses =

kisses =

Before the waters

Before the waters

Conservation plans for the northern spotted owl and other forest management proposals in Oregon

Conservation plans for the northern spotted owl and other forest management proposals in Oregon

Standard review plan for the review of a license application for a low-level radioactive waste disposal facility

Standard review plan for the review of a license application for a low-level radioactive waste disposal facility

Entering Adulthood

Entering Adulthood

Lovina Wright.

Lovina Wright.

administration of Canadian conditional grants

administration of Canadian conditional grants

Soil classification

Soil classification

Democracy on hold

Democracy on hold

Herbicides, ecological effects, 1979-85 by Jayne T. MacLean Download PDF EPUB FB2

Get this from a library. Herbicides, ecological ecological effects, citations. [Jayne T MacLean; National Agricultural Library (U.S.)]. Herbicides are much more than just weed killers. They may exhibit beneficial or adverse effects on other organisms.

Given their toxicological, environmental but also agricultural relevance, herbicides are an interesting field of activity not only for scientists working in the field of agriculture. It seems that the investigation of herbicide-induced effects on weeds, crop plants, ecosystems Cited by: Biological Effects that Suggest Listing Herbicides as a Candidate Herbicides.

Because herbicides tend to affect plants more quickly and severely than animals, the most useful biological sign of herbicides is effects on aquatic plants (Kreutzweiser et al.Van den Brink et al.

Hall et al. The herbicide glyphosate, N-(phosphonomethyl) Herbicides, has been used extensively in the past 40 years, under the assumption that side effects were r, in recent years, concerns have increased worldwide about the ecological effects wide ranging direct and indirect health effects of the large scale use of by: Download PDF: Sorry, we are unable to provide the full text but you may find it at 1979-85 book following location(s): (external link) http Author: Jayne T.

MacLean. Most modern pesticides, however, are organic chemicals that have been synthesized by chemists. The costs of developing a new pesticide and testing it for its efficacy (effectiveness against pests), toxicological properties, and environmental effects are quite large, equivalent to tens of millions of dollars per chemical.

The study, Assessment of Ecological Effects of Extensive or Repeated Use of Herbicides, was completed in December (MRI, ). The report could not provide conclusive answers about the long-term effects of chronic exposure to herbicides on the ecological system or on the population, and recommended further studies of the long-term effects.

from book Plant, Soil and Microbes Anon () The environmental effects of pesticide drift, Peterborough: English Nature. 9– South DB () In vitro effects of selected herbicides.

Pesticides. Through the ages, it seems increasingly that people find a need to minimize the damage of pests with the use of pesticide chemicals and by other means [].Of the many examples of how pests have impacted human society, one of the most infamous is the Black Plague in Europe in the 14th century, when millions of people died from mysterious diseases.

Val Richard Beasley, in Reference Module in Earth Systems and Environmental Sciences, Direct toxicity of herbicides. Herbicides are chosen for their high toxicity to target plants and their lower toxicity to animals, including humans, but direct toxic impacts of herbicides on animals remain a serious concern.

There are many groups of herbicides with different chemistries and different. The release of new genetically modified crops resistant to 2,4-D herbicide will mean a huge increase of potent, dangerous chemicals on American farmland.

The Use and Effects of Agent Orange in Vietnam Cain W. Crouse Herbicides were sprayed by military forces of the United States during the Vietnam War (). A debate has been waged since the early 70’s as to whether the use herbicides are associated with diabetes, cancer, birth defects, and other serious ailments.

The environmental impact of pesticides consists of the effects of pesticides on non-target 98% of sprayed insecticides and 95% of herbicides reach a destination other than their target species, because they are sprayed or spread across entire agricultural fields.

Runoff can carry pesticides into aquatic environments while wind can carry them to other fields, grazing areas, human. Environmental conditions were similar to those used for herbicide spraying—maximum winds of 10 knots ( km/s), maximum temperature of 30°C, and no rainfall during or for 1 hr after spraying.

Aircraft flew at 45 m above the ground at an air speed of knots to cover about 6, hectares on one sortie (Cecil and Young, ). Reproductive Effects Tests indicate that dalapon does not produce adverse effects on fertility or reproduction, except at extremely high doses.

Doses of 1, and 2, mg/kg in female rats, and 1, and 1, mg/kg in rat pups resulted in reduced weight or lower rates of weight gain.

No effects were seen at lower doses. Tests indicate that the herbicide is broken down and excreted within 72 hours, primarily as a variety of urinary metabolites. ECOLOGICAL EFFECTS Effects on Birds Tebuthiuron is not hazardous to birds. The oral LD50 for mallard ducks is greater than 2, mg/kg.

A day feeding of 1, mg/kg tebuthiuron to hens had no effect. Herbicide tolerant crops, whether GM or non-GM, can cause this problem because repeated growth of the same herbicide tolerant crop involves repeated use of the same herbicide.

One solution is the rotation of crops resistant to different herbicides, or rotation of herbicide use with use of other weed control strategies. Get this from a library. Herbicides, ecological effects: January - September [Jayne T MacLean; National Agricultural Library (U.S.)].

The present study aims to evaluate the potential for the pollution of the environment by two herbicides (quizalofop-p-ethyl and cycloxydim), using the Allium test. The species in question is Allium cepa (onion, 2n = 16), one of the most common plant indicators of environmental pollution.

The working method consisted of obtaining the meristematic roots of Allium cepa and their treatment with. A pesticide is any substance used to kill, repel, or control certain forms of plant or animal life that are considered to be pests.

Pesticides include herbicides for destroying weeds and other unwanted vegetation, insecticides for controlling a wide variety of insects, fungicides used to prevent the growth of molds and mildew, disinfectants for preventing the spread of bacteria, and compounds.

(Herbicide Report System, Data Management Agency, US MACV, ) completed by the analysis of pilot mission reports found in the archives.

They thus created a computer program, the Geographic Information System (GIS) which allowed specifying the effects of spraying, mission by mission and constitutes a tool for other studies.The 16 members of the Committee to Review the Health Effects in Vietnam Veterans of Exposure to Herbicides represent a wide range of expertise including occupational and environmental medicine, toxicology, epidemiology, pathology, clinical oncology, psychology, neurology, and biostatistics.USEPA () Amended glyphosate registration standard.

Internal memo from Mclane DJ, Ecological Effects Branch, Hazard Evaluation Division, to Walters V, Fungicide/ Herbicide Branch, Registration Division.

May, Office of Pesticides and Toxic Substances, U.S. Environmental Protection Agency, Washington, DC. Google Scholar.