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.
Two members of the group were instructed to visit the laboratory each day of the experiment to water and measure the plants (Handout 1). The measurements that were preformed were to be precise and accurate by the group by organizing a standardized way to measure the plants. The plants were measured from the level of the soil, which was flat throughout all the cups, to the tip of the apical meristems. The leaves were not considered. The watering of the plants took place nearly everyday, except for the times the lab was closed. Respective of cup label, the appropriate drop of solution was added to the plant, at the very tip of the apical meristems.
The Brassica rapa plants were bred to live in the colder states of America, such as Michigan and Wisconsin. Up there they have very few times it is actually warm enough for plant growth. So to take advantage of those few short moments, Dr. Williams bred a ...
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.
Investigating the Effect of Light Intensity on Photosynthesis in a Pondweed Aim: To investigate how the rate of photosynthesis changes at different light intensities, with a pondweed. Prediction: I predict that the oxygen bubbles will decrease when the lamp is further away from the measuring cylinder, because light intensity is a factor of photosynthesis. The plant may stop photosynthesising when the pondweed is at the furthest distance from the lamp (8cm). Without light, the plant will stop the photosynthesising process, because, light is a limited factor. However once a particular light intensity is reached the rate of photosynthesis stays constant, even if the light intensity is the greatest.
N.p., 29 Mar. 2014. Web. 28 Mar. 2014. "Related Topics. " Plant Science Research : Ozone Effects on Plants.
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.
Each plant species has a unique pattern of resource allocation that is genetically determined but not fixed. Plants can adjust there allocation pattern when they experience different environments and the presence of other species. Phenotypic plasticity goes hand in hand with resource allocation as well. When a plant has to adjust itʻs resource allocation, sometimes it uses itʻs resources to help the plant grow different characteristic so that the plant can have a greater chance of living in the environment. For example, if a plant from an environment that does not experience wind on the regular basis enters a new environment that has a lot of wind the plant may change itʻs resource allocation and spend more of itʻs resources growing deeper
The Effect of Light Intensity on the Rate of Oxygen Production in a Plant While Photosynthesis is Taking Place
Humans have long recognized that flowers are an indication of future fruits. Therefore it was vital for nomadic hunters to remember where in the wild they saw flowers. And further yet each type of flower produced a specific fruit. Thus fruits and flowers had something in common; the preference of one fruit meant the preference of a type of flower. Most often, as in modern times, the most healthy looking flower shows signs that it will produce quality fruit. The beauty of a flower told hunters that a nutritious fruits would ripen after the flowers bloomed. This concept explains how we have evolved toward preferring healthy looking flowers. But how does this explain the security of a plants reproduction? It is necessary to mention that plants not only produce fruits to stop herbivores from eating the plant, but in their own diabolic plan, plants found a new way to spread their seeds through fruits. Herbivores would eat the fruits an...
As a result of these factors, the flora has adapted to these conditions in a variety of ways including their shape, leaf type, root system, and color. One of the most prominent adapt...
If a plant cell is places in a hypotonic solution the cell has a lower water concentration to that of the solution. Water will move into the cell by osmosis from a high water concentration outside the cell to a lower water concentration inside the cell through a selectively permeable membrane. The cell becomes turbid
Aim of the research: The aim of this investigation is to determine what kind of effect will the increasing temperature have on the plasma membrane of a beetroot cell.
The poem is made up of 15 verses, the first 14 consisting of 2 lines,
I chose to test the effect light has on plants because it is very interesting to test that light is a very important factor, and as the earth gets hotter it will be interesting to see what will happen at the end while sunlight is important at the moment and is a core ingredient for photosynthesis, it will also be very interesting to see what would happen if the plants had no exposure to sun at all, and if they would adapt.