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Articles

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Bonsai is an art,
a wonderful piece of work. It has been published by
Western countries that by rearing Bonsai trees, we get
rid off certain diseases that has been proved scientifically.
Here we describe the most simplest way of bringing up
Bonsai plants. There are according to the climatic conditions
trees grown in India. These are Banyan tree, Arasu tree,
Fig tree, Pupil tree, Piccas varieties, Gulmohar tree
(flame of the forest), Tamarind tree, Neem tree, Malphigia,
Bongainvillea, Exora, Adenium, Guava, Pomegranate, Sapota,
Mango, Lemon, Wild Lemon, Jasmine.
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They can be grown
with minimum care and attention. Now we shall see the
type of Bonsai trees suited to each places in the house.
Vilva tree, Vanni Aaran, Neem can occupy Pooja room
as they are considered sacred. Fruit Bonsai trees like
Sapota, Mango, Pomegranate, Guava can adorn dining room.
Flowering Bonsai trees like Gulmohar, Bougainvillea,
Exora, Adenium can be kept in reception room to attract
and bring about a calm and serene atmosphere.
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Management of Bonsai trees
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Depending upon the
type and age of Bonsai trees, one should water the plants
100 ml to 500 ml daily. Every alternate two days with
the help of a plastic can sprinkler, one should sprinkle
water the branches and leaves fully. By doing this,
the plants are rejuvenated and look bright and fresh.
As far as possible, manure the plants look like weak
and started to loose their vitality, apply N.P.K fertilizers
at the rate of 5 to 15 gm followed by liberal watering.
Cytozym liquid should be applied through leaves and
branches at the rate of 2 ml per litre by means of a
plastic sprinkler. It will revive the weak plant back
to vitality. For further clarification and people who
are interested to learn can approach us.
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Maintainane:
If you keep these plants two days indoor and then keep
the plant next one day in direct sun(to maintain the
plants natural growth). Watering: If plants are kept
indoor water spraying should be done once for every
two days. If they are kept outdoor (under direct sunlight)
water spraying should be done daily.
Manure:
No manure is required.
Pruning:
Monthly once light pruning is necessary to keep the
plants in optimum shape.
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Wooden Arangements
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Using old woods,
with beautiful shapes (like stone trees) arrangements
of plants are made. In these woods cactus, euphorbia,
microphilla and many more similar miniature varieties
are arranged in such a way so that whole nature environment
is created in a miniature way. It is very handy, you
can keep them any where you want for your decoration
without any difficulty.
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| Maintainane:
If you keep these plants two days indoor and then keep
the plant next one day in direct sun(to maintain the plants
natural growth). Watering: If plants are kept indoor water
spraying should be done once for every two days. If they
are kept outdoor (under direct sunlight) water spraying
should be done daily. Manure: No manure is required. Pruning:
Monthly once light pruning is necessary to keep the plants
in optimum shape. |

Cacti ARE Succulents
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Succulents are plants
that have organs such as leaves, stems or roots that
are capable of storing water during the rainy or wet
season in order to survive extended periods of drought.
All the plants in the cactus family (Opuntiacea = Cactacea)
are considered stem succulents.
During periods of moisture, the stem swells and then
during droughts slowly contracts.
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Cactus that have ribs
are particularly well adapted to this as the ribs fill
in and contract like an accordion.
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One of the first
things that one notices about a cactus is that it does
not have any leaves but rather is covered with lots
of sharp spines. The spines are what family is named
after as the name cactus comes from the Greek word kaktos
meaning thistle. These spines are highly modified leaf
or leaf parts. Leaves are normally very poor at conserving
a plant's water supply and are generally intolerant
of high temperatures two characteristics, which would
make survival in very hot and dry areas impossible.
What leaves are good at is photosynthesizing and cooling
the plant off. To replace the leaf's involvement in
photosynthesis, the epidermis of the cactus remains
green and acts as the photosynthetic organ. By being
tolerant to high temperatures, cacti do not depend on
a cooling system.
Although other
succulents have spines, it is the grouping of spines
on areoles that distinguishes cacti from other cactus-like
plants. An areole is the radial arrangement of spines
on padlike buds where shoots and flowers may arise.
The areoles themselves are arranged in a regular pattern
either along the ribs of columnar or barrel cacti or
at equally spaced intervals over the face of pad-like
cacti. In some cactus species, the areoles are difficult
to see as they are grouped at the tips and along the
sides of the stem segments and are very small.
Although spines
do not perform any of jobs that leaves do, they do have
three very important functions. The first one is to
protect the plant against herbivory. Cacti grow very
slowly in usually harsh environments and cannot afford
to lose any of their plant mass to the occasional browser.
There are some rodents and birds however that rely on
cacti as an important source of food and water or as
a home and have figured out how to get around the prickly
problem of spines. Another function that spines perform
is to slow down blowing winds thus reducing evaporative
water losses. Thirdly, spines allow any moisture in
the cool night air to condense on them (much like dew
on grass) and then that water drips to the ground where
the roots can absorb it. Although the typical desert
is very hot and dry during the day, during the night,
the temperature drops and the relative humidity rises
dramatically. The moisture content of the air does not
increase at night, but as the air cools, its ability
to hold water decreases. (Relative humidity is the measure
of the air's moisture content of the air over its ability
to hold water at a given temperature.)
One common misconception
about cacti is that they are only found in true deserts.
While a few species can survive in the pure sand of
deserts like those found in Arizona where rainfall is
sporadic, cacti are found in habitats where moisture
is not quite as limiting and the soil is, although nutrient
poor, not pure sand. Habitats where cacti can be found
range from semi desserts to dry grasslands where rainfall
is periodic and soils are generally poor and from sub-alpine
mountainous regions to tropical humid jungles where
moisture is either from snow melt in the first case
or from high humidity in the second case and the soil
is poor to non-existent.
The key to understanding
where cacti survive is noting that they are adapted
to regions where the environment is limiting and that
there is a lack of competition from other vegetation
in terms of light, moisture and nutrients. Depending
on their habitat, cacti have a variety of survival mechanisms
to overcome their harsh environment. In the drier regions,
cacti go dormant during the hot dry season and only
grow and flower when there is moisture. Sometimes, the
desert cacti flower, set seed and then go dormant again
over the space of only a few days. In their mountainous
and northern range, cacti go dormant during the cold
season surviving temperatures of -30°C and below and
only grow during the warm summer months. In humid jungles,
cacti are epiphytic and grow in trees and have adapted
to growing in shaded, nutrient poor environments by
having flat stem segments to capture the filtered light
efficiently and by having roots that absorb moisture
and nutrients from water dripping off the trees that
they're living on. In the home, the key to growing cacti
successfully is to mimic some of these environments.
For example, when your cactus is going dormant usually
as response to daylength, restrict watering to only
once per month and only increase to weekly to biweekly
watering when it is showing signs of growth.
There is a commonly
held belief that cactus plants are tougher and more
resistant to neglect than other types of plants. The
reputation of cactus plants for toughness is most likely
due to two factors: their spiny, well- protected exterior
tends to give them the appearance of being able to look
after themselves, and they are also slower than most
plants to show symptoms of distress. While most plants
will yellow, drop leaves and wither soon after experiencing
stress, a cactus will often simply suffer in silence
until it suddenly drops over beyond hope of recovery.
The first step in
ensuring success in growing a healthy cactus plant is
to purchase one that is already in good health. Avoid
any plant that has damaged spines, obvious signs of
bruising, or that has lopsided or uneven growth. A plant
that has put on new spindly growth during its time in
the store should be avoided. Even under ideal growing
conditions, the spindly growth produced in a dimly-lit
store will never broaden out to normal size, leaving
the plant with a permanent disfigurement. Ideally a
cactus should be purchased in the greenhouse where it
was grown, or as soon as possible after it has been
shipped to a retail outlet.
The care required
by a particular type of cactus is largely dictated by
the climatic conditions where that cactus would be found
growing in nature. A good rule of thumb for looking
after any plant is to provide conditions as close as
possible to those under which the plant would be found
growing naturally. In general, the two most common classes
of cactus are those of sun-loving and shade-loving.
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Sun-loving Cacti
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Sun-loving cactus
plants are those that appear the way we normally expect
a cactus to look. They are native to arid desert regions
where they receive direct sunlight for a large portion
of the day. In the home, these plants should be placed
in a window with a south or west exposure where they
will receive direct sunlight for at least a few hours
each day.
The quantity and
frequency of watering provides one of the biggest dilemmas
to cactus owners; and since a cactus does not wilt at
the first sign of drought stress, the plant itself offers
few cues to a need for water. A good rule of thumb is
to water when the top 2 to 3 centimetres of soil is
dry. This should be adjusted with season, however, as
plants will require more water during the period of
summertime growth than they will during the slowed,
or halted growth of winter. In winter the plants may
require water only once a month. During winter you should
supply just enough moisture to prevent the roots from
drying and dying. One of the most important considerations
in watering a cactus is that the pots must never be
permitted to stand in water. Waterlogged soil can quickly
lead to rotting of the roots with disastrous consequences
for the plant.
The growing medium
also plays a role in watering and plant health. Contrary
to popular belief, most cacti do not prefer to live
in pure sand. In nature, they may be found growing in
sand, but this is only because they are able to survive
in conditions where the plants which compete with them
for space cannot. Cacti are not found naturally on rich
soils, simply because the other plants that can survive
on these soils have crowded the cacti out. In the home,
where competition from neighbouring plants has been
eliminated, cactus plants will respond favourably to
a rich soil that is free-draining. While cactus soil
mixes are available, you can make your own by combining
two parts peat-based potting soil with one part very
coarse sand or grit. Fertilizer can be added to every
second watering during the summer, with the frequency
and concentration of fertilizer being reduced in winter.
Either a specially formulated cactus fertilizer can
be used, or fertilizer such as 15-15- 30 which includes
minor or trace elements.
While most cacti
tolerate a wide range of growing temperatures, most
will do best at temperatures similar to that of most
other house plants. When temperatures are either too
hot or too cold, a cactus will often simply go dormant.
An ideal placement for a cactus in winter would be a
sunny cool room. During the summer, cacti will appreciate
being moved outdoors where they can receive brighter
light in combination with cooling breezes during the
day and cool humid conditions during the night. If moving
your cactus outside for the summer, be sure to place
it in a position of partial shade for the first few
weeks, and slowly move it to a sunnier location. A plant
going directly outside into full sun will likely be
scorched by the more intense light found outside the
home.
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Shade-loving Cacti
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Shade-loving cacti
are those members of the cactus family that would normally
be found growing in moist tropical jungles. They frequently
have a trailing growth habit and flattened stem segments
like those seen on the familiar Christmas cactus. Since
they are native to the same areas where many of our
more familiar tropical plants originate, they tend to
thrive under conditions similar to those for other house
plants. They do not tolerate intense sun, but will thrive
in an east window. They also grow quite well under artificial
lights. Since flowering on many tropical cacti is begun
in direct response to the length of day, plants grown
under artificial light should have the daylength reduced
in winter so that they are in darkness for more than
12 hours each day. Without these shortened days, such
plants will not flower.
Like many jungle
plants, these types of cacti do not have an annual period
of dormancy and will require even moisture throughout
the year. Since shade- loving cacti continue to grow
throughout the year, they require a more regular supply
of nutrients and will benefit from mild fertilizer at
the time of watering. They can be fertilized at the
same strength as sun-loving cacti, but on a more regular
schedule. Like other cacti, they require a free-draining
growing medium, and should never be permitted to stand
in water.
Jungle cacti tend
to be less tolerant of temperature extremes. If a tropical
cactus is placed outdoors for the summer it should be
placed in the shade of a tree where they will receive
bright but filtered light.
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