BlogNCERTImportant Topic Of Biology: Plant Growth Rate

Important Topic Of Biology: Plant Growth Rate

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    The growth is continuous. There is irreversible growth in the size of an organism. This feature is observed in all organisms, associated with several metabolic processes.

    In plants, the seeds germinate and grow into a new plant, which eventually grows into an old plant. Plants show continuous growth.

    All plants and animals are made of cells; that is why they are living things. Growth is a fundamental and distinguishing feature of every living thing. Growth can be defined as permanent growth that is irreversible. The size of the organ or components of each cell cannot be altered as it grows. The metabolic process (anabolic and catabolic) is responsible for the growth rate. This happens at the expense of energy. This means that stem growth is growth.

    Stages of Crop Growth

    These are the stages of plant growth:

    Construction Phase: Plants grow separately from cells. Existing cells divide to produce new cells. The process of cell division in plants is known as mitosis. It is done in two steps:

    • Separation of Nucleus or Karyokinesis
    • Classification of Cytoplasm or Cytokinesis

    In higher plants, cell division begins in the meristematic region.

    • Cell Expansion and Differences

    The size of the cells, tissues, and organs increases at this stage with the formation of protoplasm, water absorption, growing vacuoles, and the addition of cell walls to make them larger and more permanent.

    • Cell Maturation

    Enlarged cells acquire a specific shape and form at this stage. This helps to separate the cells and the different tissues.

    Factors Affecting Plant Growth

    Important factors that affect plant growth include:

    • Temperature: Growth is accelerated by rising temperatures.
    • Light: Light intensity, duration of light, and quality of light influence many body processes that take place in a plant.
    • Water: Water is an essential element of plant growth. They grow well with insufficient water. They even respond to water shortages.
    • Soil Nutrition: Plants need the right amount of nutrients to grow properly. The level and amount of nutrients contribute to plant growth.
    • Plant Growth Controls: Various plant growth regulators such as auxin, cytokinin, gibberellins, etc. are added to plants to control their growth.

    Stages of Growth

    The growth and growth of plants can be divided into three stages.

    These are:

    • Meristematic: The meristematic stage of growth can be determined by the constant division of cells that occurs at the top of the roots and shoots.
    • Extension: Extension is the stage of growth in which the cell is stretched by a developmental process controlled by phytohormones and light. This has a special significance in plant growth.
    • Maturity: This is the stage in the formation and hardening of a cell wall. Cells grow and reach larger sizes. They also undergo protoplasmic transformation.

    Crop Growth Rates

    The growth rate is a process of development during each unit. Therefore, the growth rate can be expressed in a mathematical way. An organism or its components can produce many cells in a variety of ways. Growth can be expressed in arithmetic or geometric form.

    When it comes to arithmetic growth, one daughter cell may divide while others continue to mature and divide. A simple arithmetical expression can be expressed with an expandable root at a constant rate.

    L=L₀+ rt

    L= length during ‘t’

    L₀ = length at ‘zero’

    r = growth rate / extension during unit time.

    Bird of Paradise Growth Rate

    A bird of paradise can reach a height of 30 feet or more in 5-6 years with a moderate growth rate if the right conditions are met. This plant can take up to four years to flower once it has grown indoors. Typically, the height of a paradise house bird is between ten and ten feet [3 and 6 m].

    How Long Will It Take for a Big Paradise to Grow?

    The most challenging aspect of indoor growth is the size of a mature plant, which can reach 5 to 6 feet in 3 to 5 years.

    Can you now keep a large bird of paradise small? During the first year or two of its life, the Great White Bird of Paradise may be planted in the right place, but as soon as it reaches maturity, the bird begins to show signs of adverse conditions.

    Bird of Paradise in the Garden

    In gardens, Strelitzia Nicolai can reach a height of 10 meters, while Strelitzia alba can reach a height of 5-6 meters. The leaves are large, up to one and a half meters long and 30-40 inches wide, with a sharp vein and pinnate venation.

    The leaves of the bird of paradise are oval in color, bright and leathery. Strelitzia’s flowers are brightly colored and unusually large, with a green cover and red petals on the leaves and green on the stem. Its flowering period lasts between February and August.

    The flowers can grow up to 18 cm in height and 45 cm in height and are usually held just above the point where the fan leaf emerges from the stem. The flowers are followed by triangular Bird of Paradise seed pods, shaped like a paradise bird.

    The inflorescence has a dark blue bract, white sepals, and a blue tongue and has 1.8 green leaves arranged like a fan in the upper part of the stem, similar to the Ravenala madagascariensis often referred to as a traveler’s tree or traveler’s palm.

    The long petiole that emerges in the form of a fan contributes to their popularity. The leaves are leathery and firm. The roots are rhizomes thick and fleshy.

    Eastern Redbud Growth Rate

    Redbud trees are beautiful flowering trees that delight us with their wonderful sweetpea as flowers that neatly cover the canopy of these trees in early spring. They also boast beautiful heart-shaped leaves. Many redbud trees are large enough to provide good shade, but they are small enough to fit into a small yard. There are also surprisingly beautiful redbuds suitable for very small areas. These beautiful trees are adaptable and easy to grow. Once established, they rarely need care.

    The growth rate is very rapid in a small tree but will vary between different types of redbuds.

    Fast Growing Redbud Trees

    • Improving the Growth Level of Your Redbud Tree
    • Soil, sun, water, and climate affect the growth of trees. You will always have the best growth rates when your tree is well maintained and in the right place.
    • Check that your growing area is approved for the redbud of your choice. Recommendations for growing areas vary between different types of redbud trees.
    • Redbuds are adaptable to a wide range of soil conditions, light conditions, and weather conditions. They grow well in the sun or partial shade, but they may grow faster and bloom more if they grow in the sun.
    • If you have poor soil, make sure you feed your tree with redbud tree manure. I recommend a moderate amount of fertilizer. You will only need to use this product once or twice a year. Early spring is the best time to fertilize your redbud tree.

    Bamboo Growth Rate

    Bamboo is the fastest growing plant on Earth. In fact, Chinese bamboo can grow up to a meter in one day.

    Bamboo grows in dense forests where low light reaches the ground and there is strong flexibility to reach sunlight very quickly.

    The bamboo shoots are attached to its parent plant by an underground stem, called the rhizome. This means that the shoot does not need its leaves until it reaches full height. The bamboo also grows to a constant width. Unlike woody plants, bamboo does not waste energy on growing rings that gradually harden the stem. It’s just one stick, growing straight up.

    Also read: Important Topic Of Biology: Phloem Transport


    What is Crop Development?

    The process of building structures and the maturation of plant parts is known as plant development. Plants continue to produce new structures and tissues during their lifetime with the help of undivided cells known as meristems.

    Where is Cell Plant Extension performed?

    Cell proliferation is the process of cell division that occurs in the regions of the meristems. Many high-growth plants grow with the growth of cells. Meristems are found on the tips of the shoots and roots.

    What Is the Difference Between Plant Growth and Development?

    The irreversible change in the size of plant cells and organs is known as growth. It occurs due to cell proliferation and division. In contrast, development is the progression of the stages to the next stages of development.

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