Dichogamy | Agriculture | 56251
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**Dichogamy** is a **reproductive mechanism in flowering plants** where the **male and female reproductive organs (anthers and stigma)** mature at **different times** to prevent **self-pollination** and promote **cross-pollination**. — ### 🔬 **Definition** **Dichogamy** is the **temporal separation** of pollen release and stigma receptivity in the same flower or plant, ensuring **genetic diversity** by encouraging **cross-pollination** rather than self-fertilization. — ### 🌸 Types of Dichogamy: | Type | Description | Example Plants | | ————- | ————————————————————————– | ——————— | | **Protandry** | Anthers (male) mature **before** stigma (female) | Sunflower, Salvia | | **Protogyny** | Stigma (female) matures **before** anthers (male) | Avocado, Pearl millet | | **Herkogamy** | (Related concept) Physical separation of anthers & stigma (not time-based) | Hibiscus, Calotropis | — ### 🌿 Importance of Dichogamy: * Prevents self-pollination (inbreeding). * Encourages cross-pollination and genetic variability. * Increases adaptability and survival of plant species.
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Learning is thriving here! Great explanation of a key concept in plant reproduction — thank you for enriching our community!