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What happens once the pollen lands on the stigma?
Pollination
What is it called when pollen lands on a stigma?
Pollination
Why do pollen dies if its lands on an unripe stigma?
Pollen grains require a compatible and mature stigma to germinate and grow a pollen tube for fertilization. If pollen lands on an unripe stigma, it may not provide the necessary biochemical signals or nutrients for the pollen to survive and develop. Additionally, the stigma may lack the appropriate receptors or conditions needed for pollen germination, leading to the pollen's eventual death. Ultimately, the failure to establish a successful connection between the pollen and stigma prevents fertilization.
Which part of the pistil is sticky and attracks pollen grains?
anther or stigmaThat depends on what you mean by sticking to. The anther is the part of the plant that is the male organ and it creates pollen. So there is pollen attached to the anther.If you want to know where detached pollen (from the anther) lands to fertilize the egg- then you want the stigma. The sticky pad at the top of the pistil is where the pollen lands to begin creating the pollen tube, which eventually leads to fertilization.
What is the job of a stigma?
The stigma on a flower is responsible for receiving pollen during fertilization. It is the receptive surface where pollen grains adhere and germinate to produce a pollen tube that delivers sperm to the ovules. This process is essential for sexual reproduction in plants.
What do we call the sticky or hairy part of the flower were the pollen lands?
we call it stigma
What happens from the time pollen lands on the female part of the flower until the seed forms?
-pollen sticks to the stigma at the end of the pistil -pollen tubes grow down the pistil to the egg cells -sperm cells from the pollen moves down the tubes -fertilization combines DNA
What forms when stigma and pollen develop?
When stigma and pollen develop, they enable the process of pollination to occur. The stigma is the part of the pistil that receives the pollen, while the pollen contains the male gametes needed for fertilization. Once the pollen lands on the stigma, it can germinate and grow a pollen tube to transport the male gametes to the ovule for fertilization.
Which structure do pollen grains attach during pollination?
Pollen grains attach to the stigma of a flower's pistil during pollination. The stigma is the receptive part of the pistil where the pollen lands and germinates to form a pollen tube for fertilization to occur.
What happens to pollen grains immediately after pollination?
Pollen germination starts on compatible stigma
When pollen lands on the stigma is this pollenination or fertilasatoin?
It is called as pollination. Here the pollen grains are transmitted from one flower to other flower. Pollen grains may be transmitted in the same flower from the stamen to stigma.
How close to the egg can the pollen grain get?
when a pollen grain lands on the stigma it creates a pollen tube that goes down to the egg where sperm fuzes with the egg.
