Dittany of Crete (Origanum dictamnus L.) is a threatened medicinal-aromatic plant Lamiaceae family which local endemic to the Island Crete, Greece. Its high culinary use and increasing demand in pharma, perfumery, cosmetic food industry along with its overexploitation from natural habitat has this species necessitated large-scale production for industrial exploitations using advanced technologi...

For many low-altitude (<1500 m) residents, their travel itineraries may cause them to ascend rapidly to high (>2400 m) altitudes without having the time to develop an adequate degree of altitude acclimatization. Prior to departing on these trips, low-altitude residents can induce some degree of altitude acclimatization by ascending to moderate (>1500 m) or high altitudes during either continuou...

studies have shown that rooting substrate is one of the effective factors at rooting of hard rhizogenetic plant such as henna. the purpose of this study is to determine an appropriate concentration of naphthalene acetic acid (naa), indole butyric acid (iba) and salicylic acid (sa) on rooting of henna. present study showed that there was a great variation in most of the measured characters at p<...

Romania has a relatively high diversity of plant species, including 3829 vascular and 979 non-vascular spontaneous taxa (species subspecies). Due to uncontrolled harvesting as well other causes, climate change ecological collapse, the speed species extinction narrowing genetic base resources been reported critical issue. Therefore, national Red List Romanian flora includes 1453 threatened taxa,...

iron wood (parrotia persica) tree as a forest species has many applications in urban green landscape. however, its reproduction and seedling production have not been studied in iran. thus, knowing the type of cutting and hormone treatments to increase the rooting of cuttings can be very effective. accordingly, annual and perennial cuttings were prepared in january and june, respectively. cuttin...

This research was designed to provide the first protocol establish an efficient solution for direct organogenesis regeneration in Passiflora quadrangularis using nodal explants from young shoots. Passifloraceae tissue culture has been associated with problems such as recalcitrance, sensitivity ethylene accumulation and browning of due presence phenols tissues. Due high rate endogenous contamina...

Carrots are a multi-purpose vegetable; hence, they have become very popular consumers’ choice, also thanks to their nutritional value with health benefits. Several varieties and landraces exist of carrot (Daucus carota L. ssp. sativus). In Apulia (Italy), for example, multicolored landrace is present, the Polignano (PC), threatened by risk genetic erosion. With purpose verifying possibility usi...

The different types of response mechanisms that the organism uses when exposed to hypoxia include accommodation, acclimatization and adaptation. Accommodation is the initial response to acute exposure to high altitude hypoxia and is characterized by an increase in ventilation and heart rate. Acclimatization is observed in individuals temporarily exposed to high altitude, and to some extent, it ...

Hiking and climbing in high mountains are becoming very popular during the last decade. High mountain climbing is mainly in the domain of skilled alpinists. On the other hand hiking is often organized by trekking agencies which took unskilled clients to very high mountains. The aim of the presents study is to emphasis the importance of the process of acclimatization to high altitude. Two studen...

The poinsettia's species name pulcherrima means "most beautiful" and that it is! Poinsettia's brilliant red floral display held against rich green foliage has made this unlikely species a holiday favorite. Its appealing presentation of the traditional Christmas colors has so endeared poinsettia that it is now second only to the Christmas tree as the most popular holiday plant. Studies have show...