نتایج جستجو برای: buds
تعداد نتایج: 7007 فیلتر نتایج به سال:
A male flower-specific gene SlMF1 was isolated from male flower buds of the dioecious plant Silene latifolia. SlMF1 is expressed in all the floral meristems at the very early stage of development in both male and female flower buds. At the mature stage of development in male flower buds, SlMF1 transcripts were specifically accumulated in pollen mother cells, tapetal cells, and the developing ti...
Dioxygenase, Flavonoid Biosynthesis, Flavonols, Matthiola incana Soluble enzyme preparations from flower buds of Matthiola incana catalysed the conversion of dihydrokaempferol to kaempferol and of dihydroquercetin to quercetin. The reaction required 2-oxoglutarate, ascorbate and Fe2+ as cofactors and had a pH-optimum at about 7.0. Highest enzyme activity was already present in the youngest buds...
In high-latitude regions, the cold hardiness of buds and canes grapevine is important for budburst time yield in next season. The freezing resistance sampled from six wine grapes currently cultivated Hokkaido, Japan, all them grown autumn to winter, was investigated. A significant difference between cultivars their detected harvested winter. addition, outstanding differences lower temperature e...
Abstract Some obstacles are associated with in vitro propagation of date palm, such as explant tissue browning, slow callus growth and development, low organogenesis multiplication efficiency, frequent vitrification. This investigation studied the effect five types gelling agents (Danish Agar, Cero Agar Type 8952, Chile Gerlite Food Grade, Agar-Agar.) on regeneration bud Phoenix dactylifera L. ...
delaying bud break, using chemicals is an approach to avoid spring frost damage. therefore, the effect of spraying different concentrations of soybean oil and naphthalene acetic acid (naa) on delaying bud break, altering internal atmosphere and cold hardiness in grape cultivar ‘fakhri’ was studied in 2011 in a commercial vineyard in maryanaj, hamedan using a factorial trial based on randomized ...
Ornithine decarboxylase and arginine decarboxylase activities were measured in roots and buds of tomato (Lycopersicon esculentum Mill. cv. Pearson ms-35) and potato (Solanum tuberosum cv. Desire) plants. In both tomato and potato, the activity of ornithine decarboxylase was the highest at the root tip, decreasing proximally. The same was true for potato buds. In vegetative buds of tomato, the h...
Adulteration of propolis with poplar extract is a serious issue in the bee products market. The aim of this study was to identify marker compounds in adulterated propolis, and examine the transformation of chemical components from poplar buds to propolis. The chemical profiles of poplar extracts and propolis were compared, and a new marker compound, catechol, was isolated and identified from th...
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