Phalaenopsis orchids are one of the most profitable potted crops that are produced all over the world because they are having longest flower life. These orchids are also known as moth orchids. Large-scale production of these orchids is in The Netherlands, China, Germany and Taiwan. These species generally grow in monsoon areas and possess adaptation to dry and wet cycles. These species exhibits lithophytic and obligate terrestrial habitat of tree species of Esmeralda and Phalaenopsis amabilis subsp rosenstromii. They are found all over tropical Asia and islands of the Pacific Ocean. In the North, They exist in Taiwan, Philippines, and China. Their distribution extends over south India, Sri Lanka, Australia, and Papua New Guinea. This orchids generally grown in regions where the ambient temperature is greater than 280C. The roots of Palaenopsis exist in three kind’s namely epiphytic, substrate, prostrate and aerial. Leaves of this species are fleshy and succulent in nature. These higher temperatures generally inhibit the process of flower initiation. The night temperatures ranging from 250C in the day and 200C at night initiates flowering.
Invitro acclimatization is controlled by Relative humidity and is the major factor involved in altering morphological, physiological and biochemical characters of the plants that are transferred in vivo.
The objective of the current project is to understand whether nocturnal or daytime temperatures affect the flowering mechanism in Phalaenopsis orchid. The family Orchidaceae is a largest angiosperm family, which contains about 25000 species distributed over 859 genera. These orchid species are available worldwide except Antarctica and elevated habitats with higher gradients. Cymbidium, Oncidium,...
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...ts the flower formation. These types of strategy used by many farmers have an important economic impact since most of the energy for maintaining green house is at night. There is a need of further research developments in this area to link the minimum exposure during day and magnitude at higher temperatures .in inhibiting the process of flowering. The flowering time is less at 230C, but the number of buds per plant and inflorescences is low at cool temperatures..
Works Cited
Wang, YT. Temperature during the day, but not during the night,controls flowering of Phalaenopsis orchids Journal of Experimental Botany (2006) 15.15: 4043-4049.
Suriyan, Cha-um.Effects of temperature and relative humidity during in vitro acclimatization, on physiological changes and growth characters of Phalaenopsis adapted to in vivo Australian Journal of Crop Science (2010) 4.9: 750-756.
Many variations and species of plants can be found all around the world and in different habitats. These variations and characteristics are due to their adaptations to the natural habitat surrounding them. In three of many climatic zones, the arid, tropical and temperate zone, plants that vary greatly from each other are found in these locations. In this experiment, we’ll be observing the connection between the adaptations of the plants to their environment at the Fullerton Arboretum. The arboretum is a space containing numerous plants from different environments. The plants are carefully looked after and organized into their specific habitat. Therefore, we’ll be able to take a look at the plants within multiple
The experiment was designed to test the hypothesis by planting an increasing number of genus Helianthus (sunflower) seeds in pots to see how they respond to increased density in limited space. Two replicates each of 2, 4, 8, 16, 32, 64, and 128 seeds were planted in similar size pots containing an equal mix of potting soil and perlite. All plants were kept in greenhouse conditions exposed to similar light and temperatures settings and were watered at equivalent intervals. At the end of the time period each pot was evaluated for number of seeds that had germinated as well as number of stems with blooms. Stems and blooms were cut and weighed.
The Chaparral and Coastal Sage Scrub have a variety of different plant species, from Torrey Pine to Cacti. They each contain some helpful adaptations that have resulted from directional selection over many years. Many of the plants within the Chaparral and Coastal Sage Scrub have small leaves. This is advantageous because the smaller surface area prevents excess water loss. The stomata in turn are often closed during the day to maximize energy. Waxy coating is also for halting water loss. Another adaption is having leaves with dark colored tops and lighter undersides. Plants absorb red and blue light for photosynthesis and reflect green light, causing their green color. Since many chaparral leaves are green, more heat is deflected. The main goal for these adaptations is to conserve water during the day and to stop all energy expenditure. All of these adaptations are also attributed to the dry and fire-prone environment.
N.p., 29 Mar. 2014. Web. 28 Mar. 2014. "Related Topics. " Plant Science Research : Ozone Effects on Plants.
The Effect of Light Intensity on the Rate of Oxygen Production in a Plant While Photosynthesis is Taking Place
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The poem is made up of 15 verses, the first 14 consisting of 2 lines,
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