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Characteristics of Growth:
1. Plant Growth is generally Indeterminate – Plants possess the ability of growth throughout their life. This is due to the presence of meristems at certain locations in their body and these meristems have the ability to divide and self –perpetuate. This form of growth wherein new cells are always being added to the plant body by the activity of the meristem is called the open form of growth.
2. Growth is Measurable – At the cellular level, Growth is the consequence of an increase in protoplasm and this increase is difficult to measure. Growth, in plants, is measured via different methods like increase in dry weight, volume, cell number, volume or increase in fresh weight. One single maize root apical meristem can give rise to more than 17,500 new cells per hour. This is called hyperplasia. The cells in watermelon may increase in size by up to 3,50,000 times. This is called hypertrophy.
Phases of Plant Growth:
1. Formative Phase:
2. Cell Enlargement and Cell Differentiation:
3. Cell Maturation:
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