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Growth stages for different crops




  • (Written by:   Khadija Tehseen Arshad)

    “Growth is actually a complex processes with different organs developing, growing and dying in overlapping sequences”. It is also: “Irreversible increase in size, weight, or volume”.

    Types of growth:

    There are basically two types of growth:

    • Determinate growth
    • Indeterminate growth

    Determinate growth:

    It is the type of growth in which a plant first completes its vegetative growth and then it shifts to the reproductive growth.

    For example, wheat.

    Indeterminate growth:

    In this type of growth, both stages “vegetative and reproductive” of a plant goes side by side.

    For example, Cotton.

    Phases of growth:

    Basically, there are two phases of growth:

    • Vegetative
    • Reproductive

    Vegetative phase:

    It is that stage of growth when a plant develops its vegetative part. For example, leaves, roots, stem etc.

    Reproductive phase:

    It is that stage of growth when a plant develops its reproductive part. For example, ovaries, anthers etc.

    Growth stages for Cereals crops:

    There are different stages of crop for the cereal cops that are:

    • Vegetative stage
    • Stem elongation stage
    • Booting stage
    • Heading stage
    • Anthesis stage
    • Milking stage
    • Dough stage
    • Ripe seed stage

    Vegetative stage:

    In this stage of growth, leaves emerge from the plant.(stem elongation process not started).

    Stem elongation stage:

    In this stage of development, stem elongation starts, specify early or late jointing.

    Booting stage:

    In this stage, flower head is enclosed in flag leaf sheath and not showing.

    Heading:

    In this stage, flower head emerging or emerged from flag leaf sheath but not shedding pollen.

    Anthesis:

    In this flowering stage, anthers shedding pollen.

    Milking stage:

    Seed immature, endosperm milky.

    Dough stage:

    In this stage, well developed seed is produced.

    Ripe seed:

    Seed ripe, leaves green to yellow brown.

    Growth stages for legume crops:

    There are different growth stages for the legume crops, that are:

    • Late vegetative
    • Early bud
    • Mid bud
    • Late bud
    • First bloom
    • Mid bloom
    • Full bloom

    Late vegetative:

    In this stage of leguminous crop, the crop has no visible buds, flowers, or seed pods. Stem at least 12 inch tall.

    Early bud:

    In this stage of growth and development, flowers start to visible on at least one stem(1%).

    Mid bud:

    In this stage of development of plant, Half (50%) of the stems have at least one bud.

    Late bud:

    In this stage of plant growth, 75% of the stems has at least one bud and no visible flower.

    First bloom:

    In this stage, flowers emerge on at least one stem.

    Mid bloom:

    In this stage, 50% stems of plant have at least one flower.

    Full bloom:

    In this stage of growth of a plant, 75% of the stems have at least one flower, and no visible seed pods.

     

    About Author:

    Written by:  Khadija Tehseen Arshad

    Department: Agronomy

    University of Agriculture, Faisalabad.

    Note:

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    Email us at: jagrarian@yahoo.com

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    growthc

    About Jagrarian

    I completed my B.SC(Hons) in Agri Extension major from University of Agriculture, Faisalabad. I am Director, Agrihunt. I am also Deputy Editor, The Veterinary News and Views.

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