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1. This stage extends from the appearance of the first tiller to the maximum tiller number is reached.
2. Tillers emerge from the auxiliary buds of the nodes from main stem or other tillers and displace the leaf as they grow and develop.
3. This seedling shows the position of the two primary tillers with respect to the main culm and its leaves.
4. When the fifth leaf on the main culm emerges out, the first tiller comes out from the axil of the second leaf on the culm. Similarly when the 6 th leaf on the main culm emerges the first leaf of the tiller comes from the axil of the 3 rd leaf on the culm. Thus the n th leaf on the main culm and the first leaf of the tiller that emerges out from the axil of the (n-3) leaf grow synchronously is also the case for all other tillers (Yoshida 1981).
5. After emerging, the primary tillers give rise to secondary tillers. This occurs about 30 days after transplanting.
6. The plant is now increasing in height and tillering very actively. Here is a field with plants at the early tillering stage. Note the tiller size and canopy development due to increased leafing and tiller development.