Development of Seeds and Fruits

 
6.4 Development of Seeds and Fruits
 
The image is an educational graphic titled ‘Double Fertilisation.’ It contains a description of the process of double fertilisation in plants. The background is light blue with a white text box in the center. The text is in yellow and provides the following information: - After double fertilisation occurs, the triploid endosperm nucleus divides by mitosis and forms the endosperm tissue. - The endosperm tissue is the food-storing tissue which surrounds and supplies nutrients to the embryo. - The zygote divides by mitosis to form two cells, a larger cell and a smaller cell. - The larger cell develops into a suspensor that anchors the embryo to the wall of the embryo sac. - The smaller cell will become an embryo
 
Development of Seeds and Fruits
  • Only the fertilised ovule will develop into a seed.
  • Double fertilisation stimulates ovary wall to enlarges and develop to form fruit.
Part of Flower Part of Fruits
Ovule
  • The ovule develops to become the seed in the fruit. 
  • Diploid zygote forms embryo which contains plumule,radicle and cotyledon.
  • Triploid endosperm forms endosperm tissue to store food for growing embryo and seed germination.
  • Intugement forms testa to protect seed.
Ovary wall
  • During the development of ovule and seed, the ovary develops into a fruit.
  • Ovary wall which consists of epicarp,mesocarp and endocarp.
  • Epicarp is the skin of fruit.
  • Mesocarp is the flesh of fruit for most types of fruits.
  • Endocarp surrounds seed.
Petal, stamen dan style
  • Degenerate and leave a scar on the ovary wall.

 

 
Development of Tomato Seeds and Fruits After Fertilisation
  • After fertilisation, the petals fall off, the stigma and style wither away and the carpel begins to swell.
  • Stigma and style degenerate while the sepals of the tomato plant can still be seen.
  • Ovary wall swells in the ripe fruit.
 

 

 

 

 

 

Development of Seeds and Fruits

 
6.4 Development of Seeds and Fruits
 
The image is an educational graphic titled ‘Double Fertilisation.’ It contains a description of the process of double fertilisation in plants. The background is light blue with a white text box in the center. The text is in yellow and provides the following information: - After double fertilisation occurs, the triploid endosperm nucleus divides by mitosis and forms the endosperm tissue. - The endosperm tissue is the food-storing tissue which surrounds and supplies nutrients to the embryo. - The zygote divides by mitosis to form two cells, a larger cell and a smaller cell. - The larger cell develops into a suspensor that anchors the embryo to the wall of the embryo sac. - The smaller cell will become an embryo
 
Development of Seeds and Fruits
  • Only the fertilised ovule will develop into a seed.
  • Double fertilisation stimulates ovary wall to enlarges and develop to form fruit.
Part of Flower Part of Fruits
Ovule
  • The ovule develops to become the seed in the fruit. 
  • Diploid zygote forms embryo which contains plumule,radicle and cotyledon.
  • Triploid endosperm forms endosperm tissue to store food for growing embryo and seed germination.
  • Intugement forms testa to protect seed.
Ovary wall
  • During the development of ovule and seed, the ovary develops into a fruit.
  • Ovary wall which consists of epicarp,mesocarp and endocarp.
  • Epicarp is the skin of fruit.
  • Mesocarp is the flesh of fruit for most types of fruits.
  • Endocarp surrounds seed.
Petal, stamen dan style
  • Degenerate and leave a scar on the ovary wall.

 

 
Development of Tomato Seeds and Fruits After Fertilisation
  • After fertilisation, the petals fall off, the stigma and style wither away and the carpel begins to swell.
  • Stigma and style degenerate while the sepals of the tomato plant can still be seen.
  • Ovary wall swells in the ripe fruit.
 

 

 

 

 

 

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