منابع مشابه
Pesticides on Yeasts Colonizing Leaves
All aerial plant surfaces are inhabited by diverse assemblages of microorganisms, including bacteria, fi lamentous fungi, yeasts, and algae. These organisms have profound effects on plant health and thus impact on the ecosystem (Lindow and Brandl, 2003). The yeasts form a major component of the population on leaves (Inácio et al., 2002). Leaf surfaces are colonized by members of several genera ...
متن کاملInfluence of pesticides on yeasts colonizing leaves.
The effect of nine different pesticides on the growth of yeasts isolated from the leaves of fruit and forest trees was investigated. Four insecticides (with the active ingredients: thiacloprid, deltamethrin, lambdacyhalothrin, and thiamethoxam) and five fungicides (with the effective substances: bitertanol, kresoxim-methyl, mancozeb, trifloxystrobin, and cupric oxychloride) were tested. The con...
متن کاملThe Transparent Dead Leaves Model
This paper introduces the transparent dead leaves (TDL) random field, a new germ-grain model in which the grains are combined according to a transparency principle. Informally, this model may be seen as the superposition of infinitely many semi-transparent objects. It is therefore of interest in view of the modeling of natural images. Properties of this new model are established and a simulatio...
متن کامل"Natural Images, Gaussian Mixtures and Dead Leaves"
Yair Weiss School of Computer Science and Engineering Hebrew University of Jerusalem Israel yweiss@cs . huj i. ac . i l Simple Gaussian Mixture Models (GMMs) learned from pixels of natural image patches have been recently shown to be surprisingly strong performers in modeling the statistics of natural images. Here we provide an in depth analysis of this simple yet rich model. We show that such ...
متن کاملThe Formation of Particles in Freshwater Leachates of Dead Leaves
Leaves of similar morphology and condition release a similar quantity of soluble organic material. However, the quantity of material that precipitates, the rate of precipitation and the size of particles that result depend on leaf species and water chemistry. A microbial componcnt and an abiotic component are apparent in the precipitates; the latter bears a similarity to particulate material fr...
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ژورنال
عنوان ژورنال: Acta Agrobotanica
سال: 2013
ISSN: 2300-357X
DOI: 10.5586/aa.2013.007