While many plants can grow from bulbs, cuttings or divisions, the majority of them are grown from seeds. One of the best ways to help kids learn about growing plants is by introducing them to the basic plant life cycle. Bean plants are a great way to do this. By allowing kids to both examine and grow their own bean plant, they can develop an understanding of the plant’s seed life cycle.
Learning about the life cycle of a flowering plant can be fascinating, especially for kids. Start by explaining what a seed is.
All seeds contain new plants, called embryos. Most seeds have an outer cover, or seed coat, which protects and nourishes the embryo. Show them examples of the various types of seeds, which come in many shapes and sizes.
Use handouts, which can be filled out and colored, to help kids with seed and plant anatomy. Go on to explain that seeds remain dormant, or sleep, until certain growing conditions are met. If kept cool and dry, this can sometimes take years.
Depending on the type of seed, it may or may not require soil or light to germinate. However, most all plants need water in order for this process to occur. As water is absorbed by the seed, it begins to expand or swell, eventually cracking or splitting the seed coat.
Once germination occurs, the new plant will gradually begin to emerge. The root, which anchors the plant to the soil, grows downward. This also enables the plant to take up water and nutrients required for growth.
The shoot then grows upward as it reaches for light. Once the shoot reaches the surface, it becomes a sprout. The sprout will eventually take on a green color (chlorophyll) upon developing its first leaves, at which time the plant becomes a seedling.
Once the seedling develops these first leaves, it is able to make its own food through photosynthesis. Light is important for this process to occur, as this is where the plant gets its energy. As it grows and becomes stronger, the seedling changes into a young adult plant, with many leaves.
Over time, the young plant will begin to produce buds at the growing tips. These will eventually open up into flowers, which is a good time to introduce kids to the different types.
In exchange for food, insects and birds often pollinate the flowers. Pollination must occur in order for fertilization to happen, which creates new seeds. Take this opportunity to explore the pollination process, including the various methods plants have for attracting pollinators.
After pollination has occurred, the flowers transform into fruiting bodies, which protect the numerous seeds that are inside. As the seeds mature or ripen, the flowers will eventually fade away or drop.
Once the seeds have dried, they are ready to be planted (or stored), repeating the life cycle of a flowering plant all over again. During the seed life cycle, you may want to discuss various ways seeds are dispersed, or spread, as well. For example, many seeds are passed through animals after ingesting the seeds. Others are spread through water or air.
Carnations (Dianthus spp.) feature softly ruffled petals in shades of white, pink, red, lavender and yellow. Most varieties' flowers have striped or variegated petals that provide even more color. These short-lived perennials survive for two or more years in U.S. Department of Agriculture plant hardiness zones 3 through 11, depending on the variety. Understanding a carnation's life cycle can help you plan the best way to incorporate it in your garden.
When a seed comes to rest in conditions suited to its germination, it breaks open and the embryo inside starts to grow.
Roots grow down to anchor the plant in the ground. Roots also take up water and nutrients and store food.
A shoot grows skyward and develops into a stem that carries water and nutrients from the roots to the rest of the plant. The stem also supports leaves so they can collect sunlight.
Leaves capture sunlight to make food for the plant through the process of photosynthesis.
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A healthy carnation can begin to flower in as little as four to six weeks after sprouting. During the early growth phase, the plant primarily develops foliage and grows to its full height, which can vary from 8 to 24 inches, depending on its variety. The plant needs about 1 inch of water weekly to grow well. After its flowers wilt, the carnation forms seeds. Cutting off the old flowers before they set seeds can prolong the plant's flowering period through fall.
Another important part of the corpse flower, the corm plays a pivotal role in the plant's life cycle, as it absorbs and retains nutrients when the plant goes into a period of dormancy between leaves and blooms emerging. The corpse flower's corm, a rounded underground storage organ for plants that looks like a tuber, can weigh more than 110 pounds, and typically needs to weigh at least 35 pounds before the plant will bloom.U.S. Botanic Garden
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When planted from seed, leaf buds emerge first from the corm of the corpse flower and grow upwards reaching heights of 15 to 20 feet, and producing a leaf stalk and leaf blade. These leaves will die back annually, and the plant will be dormant between three and six months before a new leaf emerges. After a period 7 to 10 years the plant will reach maturity and, instead of a new leaf, it will produce a flower bud. Once the corpse flower reaches adulthood, it continues to produce flowers every 3 to 8 years on average in its native environment.
This stages is the mango fruit turns to brown and begins to dry. The fruit will fall and then dry. The mango fruit wil decay.
But the mango tree will continues to fruit. It will bear more fruits sooner.
But after years the tree will also decay. If that happen you need to prepare your seeds and grow again new tree. There are many seeds and fruit which you can use again and again.
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