نتایج جستجو برای: facilitates the pest

تعداد نتایج: 16060586  

2001
Moses T.K. Kairo Gene V. Pollard Dorothy D. Peterkin Vyjayanthi F. Lopez

The hibiscus mealybug, Maconellicoccus hirsutus Green, was first reported in the Caribbean in 1994 in Grenada. This was the first record of the insect as a major pest in the New World. By the beginning of 2001, the pest had spread to over 25 territories from Guyana and Venezuela in the South to Bahamas in the North. The pest has also extended its distribution to Central America (Belize) and Nor...

2000
E. M. Cullen F. G. Zalom

A key component of Integrated Pest Management (IPM) in agricultural systems is ®eld monitoring for pests prior to reaching a management decision. The study objective was to quantify a common design constraint of commercial IPM sampling programs: the trade-o€ between sampling time and accuracy of the resulting pest management decision. Using consperse stink bug (Euschistus conspersus Uhler) in p...

2017
Niranjan Singh Neha Gupta

Timely availability of expert support to the farmers for appropriate decision-making on ‘whether and what pest management option is required’ is imperative for effective Integrated Pest Management (IPM). For several decades Economic Threshold Level (ETL) has been the basis for decision-making but in modern IPM emphasis is given on agro-ecological situation wherein IPM decisions are based on lar...

Journal: :گیاه پزشکی 0

the spherical mealybug (nipaecoccus viridis newsted) is one of the most harmful pest of citrus, oleander and mulberry in green space of shiraz region. this study was carried out to detect the population dynamics of this pest and the role of biotic and abiotic factors on it in 2007-2008. the spherical mealybug, in both years, started its activity from early may on citrus and oleander trees, but ...

2012

For at least the past decade, an unusual decline of black walnut (Juglans nigra) has been observed in several western states. Initial symptoms involve a yellowing and thinning of the upper crown, which progresses to include death of progressively larger branches (Figure 1). During the final stages large areas of foliage may rapidly wilt. Trees often are killed within three years after initial s...

Journal: :دانش گیاه پزشکی ایران 0
پگاه نظری دانشجوی سابق کارشناسی ارشد، گروه گیاه پزشکی، دانشکدۀ کشاورزی دانشگاه زنجان حسن رحمانی استادیار، گروه گیاه پزشکی، دانشکدۀ کشاورزی دانشگاه زنجان اورنگ کاوسی استادیار، گروه گیاه پزشکی، دانشکدۀ کشاورزی دانشگاه زنجان علی سلیمانی استادیار، گروه باغبانی، دانشکدۀ کشاورزی دانشگاه زنجان زهرا زارعی دانشجوی سابق کارشناسی ارشد، گروه گیاه پزشکی، دانشکدۀ کشاورزی دانشگاه زنجان

olive leaf moth, palpita :union:alis (hübner) is an injurious pest of nurseries, of young olivetrees, and also of the suckers of old trees. in feeds on some other such host plants as ash,jasmine and privet. knowledge of the biology and life table parameters of the pest species isneeded in any pest management program. in this work, life history traits and life tableparameters as well as the popu...

Journal: :Zootaxa 2013
Anna Murray Stephen J Keable

• an 'introduced marine pest' by the National Introduced Marine Pest Information System (NIMPIS 2013) • a 'target introduced pest species' by the Australian Ballast Water Management Advisory Council (ABWMAC) (Currie et al. 1998) • a 'medium priority species' (a species which has a reasonably high impact/or invasion potential) in a ranking of Australian marine pests (Hayes et al. 2005). • a repo...

Journal: :Nature 1969

Journal: :Heilberufe 2017

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