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Explain why in some species, pollen release and stigma receptivity are not synchronized .
? Related: Pollination
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Explain why in some species, pollen release and stigma receptivity ...
Introduction
Some species exhibit a mismatch in the timing of pollen release and stigma receptivity, which can lead to reduced fertilization success. The reasons for this phenomenon are varied and can be attributed to both ecological and evolutionary factors.
Ecological Factors
Ecological factors can influence the timing of pollen release and stigma receptivity in different ways:
- Climate: Environmental conditions such as temperature, humidity, and light can affect the timing of flowering and pollen release. In some cases, a sudden change in weather conditions can cause the timing of these events to shift, resulting in a mismatch.
- Insect Pollinators: The timing of pollen release and stigma receptivity can also be influenced by the presence of insect pollinators. Some plants have evolved to release pollen when certain types of pollinators are most active, which can result in a mismatch if the timing is not synchronized.
Evolutionary Factors
Evolutionary factors can also play a role in the synchronization of pollen release and stigma receptivity:
- Genetic Variation: Genetic variation among individuals can result in differences in the timing of flowering, pollen release and stigma receptivity. This variation can be maintained by natural selection if it confers an advantage in terms of reproductive success.
- Mating System: The mating system of a species can also influence the timing of pollen release and stigma receptivity. For example, species with a high degree of self-fertilization may not require a strict synchronization of these events, as they can still reproduce even if the timing is not perfect.
Conclusion
In conclusion, the reasons for a mismatch in the timing of pollen release and stigma receptivity are complex and can be attributed to a variety of ecological and evolutionary factors. Understanding these factors can help us to better predict the success of plant reproduction and may have important implications for conservation and agriculture.
Community Answer
Explain why in some species, pollen release and stigma receptivity ...
That's bcoz to favor the cross pollination. continuous self pollination wouldn't result in variation of genetic material as a result of which the plants produced later on would be infertile and less productive. in order to prevent this the plant adopts measures one of which is different synchrony of pollen release and stigma receptivity.
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Explain why in some species, pollen release and stigma receptivity are not synchronized . Related: Pollination?
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Explain why in some species, pollen release and stigma receptivity are not synchronized . Related: Pollination? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Explain why in some species, pollen release and stigma receptivity are not synchronized . Related: Pollination? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Explain why in some species, pollen release and stigma receptivity are not synchronized . Related: Pollination?.
Explain why in some species, pollen release and stigma receptivity are not synchronized . Related: Pollination? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Explain why in some species, pollen release and stigma receptivity are not synchronized . Related: Pollination? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Explain why in some species, pollen release and stigma receptivity are not synchronized . Related: Pollination?.
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