نتایج جستجو برای: pyrus sp
تعداد نتایج: 121390 فیلتر نتایج به سال:
Abstract Pears (Pyrus) are one of the most economically important fruits worldwide. The Pyrus genus is characterized by a high degree genetic variability between species and interspecific hybrids, several studies have been performed to assess this for both cultivated wild accessions. These mostly limited resolving power traditional molecular markers, although in recent past availability referen...
background: the mechanism of hypoglycemic and hypolipidemic activities of pyrus biossieriana buhse leaf extract (pbble) and its phytochemical component arbutin, have not been well determined. the present study was performed to understand the hypoglycemic activity mechanisms of pbble and arbutin more clearly.methods: in vitro enzymatic carbohydrate digestion with pbble and arbutin was assessed u...
The nutritional value of the peeled and unpeeled fruit (peel plus flesh tissues) was studied using four peach (Prunus persica L.; Red Heaven, Maria Blanca, Big Top, Queen Giant), two pear (Pyrus communis Santa Maria, Pyrus pyrifolia N.; Nashi), three apple (Malus domestica Borkh.; Gala, Granny Smith, Chief) cultivars. Based on principal components analysis (PCA) models, there a clear differenti...
این تحقیق با هدف بهینه کردن شرایط ازدیاد درون شیشهای دو پایه نیمه پا کوتاه کننده گلابی پیرودوراف (pyrodwarf) و oh×f87 و بررسی اثر محیط های کشت و منبع آهن و روش ریشه زائی این پایه ها انجام شد. ارزیابی اثر پنج نوع محیط پایه شامل ms، ms تغییریافته، dkw، ql و ql تغییریافته، با نسبت های مختلف یون های نیترات به آمونیوم، کلسیم و کلر روی صفات رویشی میزان پرآوری به ازاء ریزنمونه، طول شاخه چه، شاخص توس...
Pear psylla (Cacopsylla pyricola Foërster) is the most serious pest of the European pear (Pyrus communis L.) in the production regions of Europe and North America. Nine plant germplasm introductions of pear from Central Europe recently released from plant quarantine were evaluated for nymphal feeding antixenosis, a primary mode of resistance known to be correlated with ovipositional antixenosis...
Uptake of Ca(2+) by suspension-cultured pear (Pyrus communis L. cv Passe Crassane) cells and protoplasts was significantly enhanced by exposure to 38 degrees C compared to 25 degrees C. The increased uptake was specific for Ca(2+) and was not due to cell wall binding. Tissues pretreated at 38 degrees C showed increased uptake even upon return to 25 degrees C. Treatment with carbonylcyanide m-ch...
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