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18 September 2024 12:45

Types of pollination in plants, complete with explanations

A complete explanation of the various types of pollination in plants along with examples. Nadhifah
foto: freepik.com

Brilio.net - Pollination is an important process in the life cycle of flowering plants. This process allows plants to reproduce and produce fruit and seeds. Without pollination, many plants would not be able to reproduce and maintain their populations.

There are many different types of pollination that occur in nature, each with different mechanisms and agents. Pollination can occur naturally or with human assistance. Each type of pollination is unique and often involves complex interactions between the plant and the pollinating agent.

In this article, we will discuss various types of pollination in plants, complete with explanations and examples. Brilio.net reports from various sources, various types of pollination in plants, complete with explanations on Wednesday (18/9).

1. Self-pollination (autogamy).

Self-pollination occurs when pollen from a flower falls on the stigma of the same flower. This process does not require the help of outside agents such as wind, water, or animals. Self-pollination often occurs in plants that have hermaphrodite flowers, which are flowers that have both male and female organs in one flower.

Examples of plants that self-pollinate include rice and beans. In rice, pollen falls directly onto the stigma before the flower fully opens. This ensures that pollination occurs even when no pollinating agent is available. Self-pollination has the advantage of efficiency and certainty of reproduction, but it also has the disadvantage of the lack of genetic variation that results.

2. Cross-pollination (allogamy).

Cross-pollination occurs when pollen from one flower lands on the stigma of another flower on a different plant. This process usually involves pollinating agents such as wind, water, or animals. Cross-pollination results in greater genetic variation than self-pollination, which can increase plant resistance to disease and environmental changes.

Examples of plants that experience cross-pollination are corn and apples. In corn, pollen is carried by the wind from male flowers to female flowers on other plants. Meanwhile, in apples, pollen is carried by bees from one flower to another. Cross-pollination is very important in agriculture because it can improve the quality and quantity of crops.

3. Pollination by wind (anemogamy).

Wind pollination occurs when pollen is carried by the wind from one flower to another. Plants that are wind pollinated usually have light, abundant pollen and flowers that are inconspicuous and scentless. This is because they do not need to attract pollinators.

Examples of plants that experience wind pollination are grass and pine trees. In grass, pollen is released into the air and carried by the wind to female flowers. In pine trees, pollen is also carried by the wind to female flowers on other trees. Wind pollination is very efficient in open environments, but less effective in closed or windy areas.

4. Pollination by animals (zoogamy).

Animal pollination occurs when pollen is carried by animals from one flower to another. Common pollinators include bees, butterflies, birds, and bats. Plants that are pollinated by animals usually have showy, fragrant flowers and produce nectar to attract pollinators.

Examples of plants that experience animal pollination are sunflowers and orchids. In sunflowers, bees collect nectar and pollen from the flowers, then carry it to other flowers. In orchids, pollen sticks to the bodies of butterflies or hummingbirds that visit the flowers to suck nectar. Animal pollination is very important in the ecosystem because it helps maintain biodiversity.

5. Pollination by water (hydrogamy).

Water pollination occurs when pollen is carried by water from one flower to another. Plants that experience water pollination usually live in aquatic environments such as lakes, rivers, or swamps. The pollen in these plants often has a special structure that allows it to float on the surface of the water.

Examples of plants that experience water pollination are algae and some types of aquatic plants such as Vallisneria. In Vallisneria, pollen is released into the water and floats until it reaches the female flower. Water pollination is quite rare compared to other types of pollination, but it is very important for plants that live in aquatic environments.

6. Artificial pollination.

Artificial pollination is pollination carried out with the help of humans. This process is usually carried out to increase crop yields or to produce new varieties with desired traits. Artificial pollination is often carried out on fruit plants, vegetables, and ornamental plants.

Examples of artificial pollination are in tomato plants and orchids. In tomato plants, pollen from male flowers is taken and placed on the stigma of female flowers using a brush or special tool. In orchids, pollen is taken from one flower and placed on another flower to produce hybrids with unique colors and shapes. Artificial pollination allows humans to control the reproductive process of plants and produce better quality plants.

Pollination is a very important process in the life cycle of plants. By understanding the different types of pollination, we can better appreciate the diversity and complexity of nature. Each type of pollination has its own uniqueness and important role in maintaining the balance of the ecosystem.

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