PPT-Pollination

Pollination Pollination is the transfer of pollen from the male anther to the female stigma Importance of Pollination Sexual reproduction is important for evolution as it produces variable offspring creating diversity and variation among populations shuffling of genes. Emasculation and Pollination Techniques Rice Oryza sativa 2 n 24 Family Poaceae In rice anthesis commences shortly after emergence of panicle Spikelets at the tip bloom first and proceed downwards Anthesis ti Exploring the importance of insects . Food security refers to the availability of food and the ability to obtain it. . What is the role of bees and insects in our food security?. How does agricultural practice impact on food security?. Ways of pollination. Self Pollination. Cross Pollination. Autogamy. Same flower . Geitonogamy. Same plant but a . different flower. Pollination between flowers . of the same plant. Pollination between flowers . Page 23. Self Pollination. 1 . “parent” . because there is only 1 flower. Pollen is transferred from one part of the flower to another part of the same flower. . Self Pollination. Draw this example of a self-pollinating plant in your notes.. (draft slides for educators to edit as needed). Materials produced for the Global Pollination Project & Honeybee Forage Project South Africa, implemented by . the South African National Biodiversity Institute.. self-pollination is usually quite ich consist of large blocks of a single self-pollination can occur fairly frequently. pollinated nuts, and will have a reduced kernel percentage and smaller nut siz Pollination:. Decomposition:. Soil aeration: . The role of invertebrates in agriculture. Pollination. This is the transfer of pollen by a . pollinator . from the male parts of a flower to the female parts of a flower, of the same species. Which results in:. 6. th. grade science. What is Pollination. Pollination:. the transfer of pollen from the anther of one flower to the stigma of another flower.. Fertilization. : occurs when the sperm in the pollen unites with an egg. . Please Do Now: 1) What is the male part of the flower called?. 2) What is the female part called?. 3) Where are energy and resources stored within the seed?. Agenda. Do Now. Pollination. Experimental Design. Two Types of Flowers. Perfect – they have both male and female reproductive parts in one flower.. Imperfect – have on male or only female reproductive parts in a flower.. Male Parts and Functions. Functions of Flower Parts 1. Petal-. Petals are used to attract insects into the flower, they may have guidelines on them and be scented. . Stigma-. . Is covered in a sticky substance that the pollen grains will adhere to. . On average, the onset of spring snowmelt in the Rockies now occurs approximately two weeks earlier. . than in the late 1970s. . What may have caused this to occur. ?. Spring . snowmelt is occurring earlier in the Rocky Mountains. . Dr.Sr. . . Kochuthressia. K P. PG Department of Botany. pollination. Pollination.  is the transfer of . pollen.  . from a male part of a plant to a female part of a plant, later enabling . fertilisation. and breeding system of . selected . endemic . Impatiens. of Western . Ghats..  .  .  . . A.K. SREEKALA. SCIENTIST. DIVISION OF CONSERVATION BIOLOGY.  .  .  . Jawaharlal Nehru Tropical Botanic Garden and Research Institute .