نتایج جستجو برای: convolvulus

تعداد نتایج: 419  

Journal: :Journal of experimental botany 2003
Lewis H Ziska

The response of plant species to future atmospheric carbon dioxide concentrations [CO(2)] has been determined for hundreds of crop and tree species. However, no data are currently available regarding the response of invasive weedy species to past or future atmospheric [CO(2)]. In the current study, the growth of six species which are widely recognized as among the most invasive weeds in the con...

2001
Darrell Duffie Nicolae Gârleanu Lasse Heje Pedersen David Musto Eli Ofek Adam Reed

We present a model of asset valuation in which short-selling is achieved by searching for security lenders and by bargaining over the terms of the lending fee. If lendable securities are difficult to locate, then the price of the security is initially elevated, and expected to decline over time. This price decline is to be anticipated, for example, after an initial public offering (IPO), among ...

2012
John A. Byers Brian T. Sullivan

Previous studies and data presented here suggest that odors from healthy host Scotch pine (Pinus sylvestris) and nonhost Norway spruce (Picea abies), as well as major monoterpenes of these trees at natural release rates, significantly reduce the attraction of flying bark beetles, Pityogenes bidentatus, of both sexes to their aggregation pheromone components grandisol and cis-verbenol in the fie...

2016
Zaheer Abbas Shujaul Mulk Khan Arshad Mehmood Abbasi Andrea Pieroni Zahid Ullah Muhammad Iqbal Zeeshan Ahmad

BACKGROUND Limited health facilities and malnutrition are major problems in the Karakorum Range of Northern Pakistan, often resulting in various human disorders. Since centuries, however, local communities in these areas have developed traditional methods for treating various ailments and local foods capes that can be significant for devising public health and nutritional policies. This study w...

Journal: :Agriculture 2023

Weed control tries to suppress competitors for a crop and often relies on differential intoxication, making use of differences in uptake, development, or metabolism. We explored the possibility using natural signals shift competition favour crop. Using competitive horsemint (Mentha longifolia) as paradigm, we showed that essential oils from certain mint species seedling development different ta...

Journal: :Selcuk journal of agriculture and food sciences 2021

Wheat production is more than 10% in first place with potential Konya plain of Turkey. Weed seeds mixed crop cause quality and yield losses on production. This research was carried out to determine the species, intensity frequency weed obtained from flour mill plants operating Konya. Samples were taken 15 working high capacity region. Identification species sample made. Comparison made live mat...

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