Reproduction in Flowering Plants: All You Need to Know

In this lecture, you will learn the concept of self-pollination in flowering plants. After going through this video, you will be able to:

1. Tell the significance of pollination.

2. Describe the meaning and types of pollination.

3.  Differentiate between autogamy and geitonogamy.

4. Explain the devices of autogamy.

5. Give differences between cleistogamy and chasmogamy.

6. Discuss how bud pollination promotes self-pollination.

7. Give advantages of self-pollination.

This lecture deals with the devices of cross-pollination in detail. You will learn:

1. Dicliny

2. Chasmogamy

3. Heterostyly

4. Herkogamy

5. Self Incompatibility

6. Advantages of cross pollination

The lecture describes water and wind as pollinating agents. After going through this lecture, you will be able to:

1. Define Anemophily and Hydrophily.

2. Describe the adaptations in flowers for undergoing wind pollination.

3. List the features present in flowers for pollination by water.

4. Explain the process of pollination in Vallisneria and Zostera.

The lecture explains pollination by insects in a very interesting manner. After going through this lecture, you will be able to:

1. Define Entomophily.

2. Identify the mutualism relationship between flower and the pollinating insects.

3. Describe obligate mutualism as seen between Yucca flower and its moth.

4. Describe the concepts of co-evolution and co-extinction.

5. List the features in an entomophilous flower.

6. Explain the process of pollination in salvia.

7. Analyze the trapped door mechanism of pollination in fig and wasps.

8. Explain how sexual deceit is employed by some orchid species to attract its pollinator.

After going through this lecture, you will be able to:

1. Define Ornithophily and Chiropterophily.

2. Explain how birds act as pollinators.

3. Describe the features present in flowers adapted for ornithophily.

4. List the characteristics of bat pollinated flowers.

This lecture describes the sequence of events that lead to entry of male gamete into the embryo sac from the time the pollen grain lands on the stigma. After watching this video, you will be able to:

1. Describe the events that comprise pollen-pistil interaction.

2. Explain the process of pollen grain germination.

3. Visualize chemotropism in action by which the pollen tube enters into the ovary.

4. Define siphonogamy.

5. Explain the process of release of male gametes from the generative cell of pollen grain.

In this lecture, you will learn the details of the process of double fertilization in angiosperms. You will be able to:

1. Distinguish between porogamy, chalazogamy and mesogamy.

2. The fate of male gametes after it enters inside the embryo sac.

3. Elaborate the process of Double Fertilization.

4. Give an overview of the further development occurring after fertilization.

This lecture describe the process of artificial hybridization in plants.  After going through this lecture, you will be able to:

1. Identify the process employed for crop improvement programs.

2. Define artificial hybridization in plants.

3. Enumerate the steps involved in artificial hybridization.

4. Give the significance of each of the steps - emasculation, bagging, rebagging and tagging.

This lecture talks about the development of endosperm after double fertilization. After going through this lecture, you will be able to:

1. Relate the process of double fertilization with the formation of endosperm along with the embryo.

2. Describe the three types of endosperm development in plants.

3. Distinguish between nuclear, cellular and helobial endosperm.

4. Explain the stages of endosperm development in coconut and arecae nut.

5. Elaborate the fate of endosperm in terms of albuminous seeds and exalbuminous seeds.

This video lecture illustrates the process of embryogenesis in dicots and monocots. After going through this video, you will be able to:

1. Describe the stages in the development of a dicot embryo.

2. Explain embryogenesis in monocot plants.

3. Draw a well labelled diagram of a dicot embryo and a monocot embryo.

4. Bring out the differences between a monocot embryo and a dicot embryo.

This lecture deals specifically with the formation or development of the seed. After completing the video, you'll be able to:

1. Describe the difference between a seed and an embryo.

2. Understand the structure of both the monocot and dicot seed.

3. Know all the types seeds, viz. albuminous and exalbuminous seeds.

4. Lable important parts of monocot and dicot seeds.

This video lecture illustrates the development or formation of fruit. After completing the lecture, you will be able to:

1. Understand the difference between a seed and a fruit.

2. Enumerate the benefits of fruits.

3. Describe the type of fruits: True fruits and false fruits

3. Describe the type of fruits: Simple fruits, aggregate fruits, and composite fruits.

4. Explain the types of Simple fruits: Dehiscent and indehiscent.

This video lecture continues dealing with the formation of fruit. After the lecture, you will be able to:

1). Understand what is an indehiscent simple fruit.

2). Distinguish between the types of indehiscent simple fruits: Dry & fleshy

3). Know the types of dry indehiscent fruits.

4). Differentiate among the types of fleshy indehiscent fruits.

This video lecture explains unusual fruiting phenomena such as parthenocarpy and apomixis. After completing the lecture, you will be able to:

1). Know the terms parthenocarpy and apomixis

2). Distinguish between the terms parthenogenesis and parthenocarpy

3). Understand various apomictic methods: Diplospory, Apospory, and Adventive Embryony

4). Know about polyembryony and its various types.

The lecture continues the unusual fruiting phenomena. In this lecture, you will learn:
1). Various advantages of apomixis

2). Developments in the field to know the genetic factor behind apomixis

3). Apomictic seeds vs hybrid seeds