نتایج جستجو برای: pests

تعداد نتایج: 11207  

Journal: :Pest management science 2006
Lester E Ehler

In the long run, this holistic approach to dealing with pests should reduce pesticide use, provide economic savings for the farmer and protect both the environment and human health. The term ‘integrated’ implies incorporation of natural enemy/antagonist levels into decision-making, and use of compatible, non-disruptive tactics that preserve these agents. Integration can be viewed as either vert...

2014
Hongliang Fu Jing Lu Huawei Tao Beibei Zhang

In order to improve the recognition rate and accuracy of stored grain pests classification, saving classification time, a new recognition method based on the Gabor wavelet and sparse representation is proposed in this paper. In this paper, nine typical pests in the stored grain are regarded as the research object, Gabor energy features and morphological features are extracted, principal compone...

2004
Kerry SUN Jiang-Hua

Exotic forest pests cost China and the United States billions of dollars each year. Current regulatory systems worldwide are overwhelmed with the increasing volume of international trade. Trade in nursery stock, wood products, pallets and dunnage have proven the most common means of transport for exotic forest pests. Despite our best efforts, pests such as chestnut blight, gypsy moth, Dutch elm...

2017
Stefan A Lipman Sara A Burt

Pests in the home are a health risk because they can be vectors for infectious disease, contribute to allergies and cause damage to buildings. The aims of this study were to record which categories of pests were reported in homes and to use a social cognition model, the health belief model, to investigate which psychological factors influence householders' intentions to control pests. An online...

Journal: :Journal of experimental botany 2009
Peter J Gregory Scott N Johnson Adrian C Newton John S I Ingram

While many studies have demonstrated the sensitivities of plants and of crop yield to a changing climate, a major challenge for the agricultural research community is to relate these findings to the broader societal concern with food security. This paper reviews the direct effects of climate on both crop growth and yield and on plant pests and pathogens and the interactions that may occur betwe...

2006
Jeremy K. Greene C. Scott Bundy Phillip M. Roberts Roger Leonard

1 This publication was developed to provide a summary of information about common boll-feeding bugs (heteropteran pests), stress proper identification of these pests, and acquaint the reader with the recommended strategies for management of boll-feeding bugs in cotton. The first section of this publication emphasizes the recent importance of boll-feeding bugs in cotton and provides a brief disc...

2012
Mei WANG Xin-ju LI Qian-qian YAO Yi LIU

To study the feasibility of monitoring the diseases and insect pests in tobacco using hyperspectral remote sensing, leaf spectrum of tobacco infected with diseases and insect pests at different severity levels was measured by using ASD hand-held spectroradiometers. The reflectance data was transformed by the method of the first differential coefficient. Meanwhile, the correlation between severi...

1995
Colin F. J. O'Donnell Graham J. Hickling

Journal: :Current Biology 2013
Michael Gross

Going hungry: The Irish Famine of the 1840s may appear a distant memory, but new strains of the pathogen that triggered it are still emerging and threatening food security. The image shows the Famine Monument at Dublin. (Photo: Professor Colin R. Howard (http://www.colinhoward.co.uk/photography.htm).) A simple line graph can tell a story of unimaginable tragedies. The population of Ireland incr...

Journal: :journal of crop protection 2015
sudarshan chakraborti ambika senapati sagarika bhowmik prahlad sarkar

some safer strategies were designed and evaluated for management of apical leaf curling (chilcv) in chilli capsicum annum l. and its vectors. the strategies were designed emphasizing on the repellent crop theory and the components like physical barrier, adult-trapping, plant sanitation, foliar application of phytochemicals and minimal application of synthetic organic pesticide. the crop was inf...

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