نتایج جستجو برای: palm leaf ash

تعداد نتایج: 126286  

Journal: :Tree physiology 1997
R A Vertessy T J Hatton P Reece S K O'Sullivan R G Benyon

Mountain ash (Eucalyptus regnans F.J. Muell.) forest catchments exhibit a strong relationship between stand age and runoff, attributed inter alia to differences in tree water use. However, the tree water use component of the mountain ash forest water balance is poorly quantified. We have used the sap flow technique to obtain estimates of daily water use in large mountain ash trees. First, the s...

2017
Christine M Sambles Deborah L Salmon Hannah Florance Thomas P Howard Nicholas Smirnoff Lene R Nielsen Lea V McKinney Erik D Kjær Richard J A Buggs David J Studholme Murray Grant

European common ash, Fraxinus excelsior, is currently threatened by Ash dieback (ADB) caused by the fungus, Hymenoscyphus fraxineus. To detect and identify metabolites that may be products of pathways important in contributing to resistance against H. fraxineus, we performed untargeted metabolomic profiling on leaves from five high-susceptibility and five low-susceptibility F. excelsior individ...

عزت‌اله فرشادفر, , محسن فرشادفر, ,

Agropyron is one of the most resistant plants to biotic and abiotic stresses. It plays an important role in forage yield in rangelands. Genetic variability based on different markers is the important step in crop improvement. In order to evaluate the genetic variation of different Agropyron species based on morphological and chemical traits, this experiment was carried out in the Agriculture an...

Journal: :Ecotoxicology and environmental safety 2007
David Kreutzweiser Kevin Good Derek Chartrand Taylor Scarr Dean Thompson

Imidacloprid is effective against emerald ash borer when applied as a systemic insecticide. Following stem or soil injections to trees in riparian areas, imidacloprid residues could be indirectly introduced to aquatic systems via leaf fall or leaching. Either route of exposure may affect non-target, aquatic decomposer organisms. Leaves from ash trees treated with imidacloprid at two field rates...

2006
M.J. Nanjan B. Suresh

Cnicus wallichi DC belonging to the family Asteraceae, was studied to fix the parameters for pharmacognostical standards in order to ensure the use of only genuine and uniform materials of such herbal remedies, work on standardization assumes vital significance. Pharmacognostical study has therefore, been carried out, covering detailed morphological and anatomical characters, features of the po...

2006

Anthracnose is one of the most common and important foliage diseases of shade trees in Iowa. Symptoms of anthracnose are often referred to as “leaf blights” or “leaf spots” and are most serious on sycamore, ash, maple, white and bur oak, and walnut. Linden, hickory, elm, red and black oak, and other deciduous trees also are susceptible, although anthracnose is less common and damaging on these ...

2013
Frances I. Osum Thomas M. Okonkwo Gabriel I. Okafor

Fresh leaves of Vitex doniana were subjected to different food processing methods such as drying, blanching and drying, fermentation of the leaf extract as well as blanching and fermentation of the leaf extract. The proximate composition, mineral and vitamin contents of the fresh and processed leaves were subsequently determined, using standard methods. The results shows that V. doniana leaf an...

2006

Anthracnose is one of the most common and important foliage diseases of shade trees in Iowa. Symptoms of anthracnose are often referred to as “leaf blights” or “leaf spots” and are most serious on sycamore, ash, maple, white and bur oak, and walnut. Linden, hickory, elm, red and black oak, and other deciduous trees also are susceptible, although anthracnose is less common and damaging on these ...

Abdol Amir Rahnama, Abdol Hamid Mohebi Mohammad Khayat,

Oil palm propagation techniques are juvenile pot plants derived from germinated seeds and tissue culture, because it doesn’t produce sucker. In the nursery stage, monitoring the conditions of irrigation and nutrition are important to ensure phenotypic quality. During the nursery stage, optimal fertilization in development of more vigorous and productive plants. This research was carried out to ...

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