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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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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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