Introduction:
Coconut milk is a nutritious liquid extracted from the grated flesh of mature coconuts. It is widely used in various cuisines and also has several health benefits. One of the key components found in coconut milk is a plant hormone called cytokinin, specifically zeatin. Cytokinins are essential for plant growth and development, and zeatin plays a vital role in promoting plant growth.

Explanation:
1. Cytokinins:
- Cytokinins are a class of plant hormones that regulate various physiological processes in plants, including cell division, differentiation, and growth.
- They are involved in promoting cell division, delaying senescence, and stimulating the growth of lateral buds.
- Cytokinins are synthesized in the roots and transported to other parts of the plant through the xylem.

2. Zeatin:
- Zeatin is a type of cytokinin that is naturally found in coconut milk.
- It was first isolated from maize kernels and later discovered in coconut milk as well.
- Zeatin has been shown to have a significant impact on plant growth and development.

3. Role of Zeatin:
- Zeatin promotes cell division and differentiation, leading to overall plant growth.
- It stimulates the growth of lateral buds, which helps in branching and formation of new shoots.
- Zeatin delays the senescence process by slowing down the aging of plant tissues.
- It enhances the nutrient uptake by the plant roots and improves overall nutrient utilization.
- Zeatin also plays a role in regulating plant metabolism and photosynthesis.

4. Benefits of Zeatin in Coconut Milk:
- Coconut milk is a rich source of zeatin, which can benefit plants when used as a natural growth promoter.
- When applied to plants, zeatin can stimulate root development, improve plant vigor, and enhance overall growth.
- It can be used as a natural alternative to synthetic plant growth regulators.
- Zeatin present in coconut milk can help in the propagation of plant cuttings by promoting root formation.

Conclusion:
Coconut milk contains zeatin, a cytokinin that promotes plant growth. Zeatin plays a crucial role in stimulating cell division, delaying senescence, and enhancing nutrient uptake in plants. Its presence in coconut milk makes it a beneficial natural growth promoter for plants. Using coconut milk or products derived from it can contribute to the health and growth of plants.