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Articles by M. Mehdipour
Total Records ( 2 ) for M. Mehdipour
  Z. Dalirsani , M. Aghazadeh , M. Adibpour , M. Amirchaghmaghi , A. Pakfetrat , P. Mosannen Mozaffari , M. Mehdipour and A. Taghavi Zenooz
  The use of mouthwash has increased because of attention to oral hygiene. Herbal mouthwashes have fewer side effects and are more economic than similar chemical drugs. In this study, the antimicrobial effects of ten herbal extracts on Streptococcus mutans were compared with chlorhexidine. Thirty grams of ten plants including thyme, mint, garlic, cinnamon, chamomile, tea tree, clove, spearmint, sage, and rosemary were dissolved in 100 mm of pure methanol and placed on a shaker for 48 h. Then, after passing the solution through a filter, they were put in an incubator at 37 centigrade degee for 48 h. Streptococcus mutans was cultured on blood agar. Chlorhexidine discs were used as positive controls while methanol and blank discs were used as negative controls. After 24 h the diameters of the halos indicative of lack of growth in each disc were measured with a pair of calipers. The zone diameters around each disc were compared with chlorhexidine using T test analysis. The inhibitory zone has observed around the Rosemary extract discs. Rosemary was found as a potent antimicrobial plant. More studies are suggested for production of herbal mouthwashes.
  H. Zamanian , M. Mehdipour and N. Ghaemi
  Psalmocharias alhageos is an important pest of vine in most parts of Iran, Afghanistan, Pakistan, southern areas of Russia, Turkey and Iraq. This cicada is spread in most provinces in Iran such as Esfahan, Hamedan, Qazvin, Markazi, Lorestan, Qom, Kerman, Tehran and Kordestan. In addition to vine, this insect damages some other fruit trees, such as apple, sour cherry, quince, peach, pomegranate and pear trees and some non-fruit trees, namely white poplar, ash, elm, eglantine, silk and black poplar trees. The nymphs of cicada damage the trees by feeding on root, adult insects on young bud and by oviposition under branch barks. Nourishing root by nymph leads to the weakness of the tree and hinder its growth. The high density oviposition of adult insects inside young barks causes withering of branches. The resulted damage on vine products is 40% which is one of the most important factors in product reduction in vineyard. This research was conducted in Takestan in Qazvin. It was conducted for the first time to study the behaviors of the mates of this vine cicada in order to manage it. Two systems were used to record the sound of male cicada called analog voice-recorder and digital voice recorder. To analyze the recorded sound of the male cicada we used of spectrum analyzer, digital storage oscilloscope and protens 7 computer softwares. We could call the attention of natural enemies an disturb the male insect`s attracting sound by producing natural and artificial sound in the range of 1-6 kHz in two different ripeness status of the fruits and could prevent mating and oviposition of female cicadas.
 
 
 
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