'Tube nucleus' diaporamas de présentation

Sexual reproduction in the flowering plant (Extended study)

Sexual reproduction in the flowering plant (Extended study). Learning Objectives. Outline pollen grain development from microspore mother cells Outline embryonic sac development. Pollen Grain development. Pollen grain development. An anther consists of four chambers called pollen sacs.

292 views • 29 slides

Sexual reproduction in the flowering plant (Extended study)

Sexual reproduction in the flowering plant (Extended study). Learning Objectives. Outline pollen grain development from microspore mother cells Outline embryonic sac development. Pollen Grain development. Pollen grain development. An anther consists of four chambers called pollen sacs.

297 views • 29 slides

Lecture 13: POLLINATION

493 views • 27 slides

LECTURE 3 REPRODUCTIVE STRUCTURES

LECTURE 3 REPRODUCTIVE STRUCTURES Flowering Floral Induction Leaves Floral Stimulus Florigen Phloem Transport Floral Evocation Reproductive Apex Leaf Primordia ? Floral Primordia Sepals (A) Petals (A+B) Stamens (B+C) Pistils (C) Vegetative Apex SAM Tunica Corpus

857 views • 14 slides

Basic Flower Structure

Basic Flower Structure. stigma. carpel. Pistil is simple. gynoecium. Flower is perfect Flower is monoecious. locule. style. pollen. ovary. ovule. anther. superior. filament. stamen. Flower is hypogynous. androecium. petal. corolla. sepal. perianth. receptacle. calyx.

785 views • 11 slides

Fertilisation

Fertilisation. In plants. Learning outcome. Describe the process of fertilisation in flowering plants. Starting with pollen tube growth and ending with the fusion of the nuclei. Parts of a flower. The pollen grain. Male gametes are found in pollen grains

104 views • 9 slides

The Wonder of Flowering Plants

464 views • 8 slides

Pollen Grain Development

Pollen Grain Development. Formation of the Male Gamete. The Stamen is Diploid. Microspore Mother Cells are found in the Anther. Meiosis. 4 Haploid Cells /A Tetrad is formed Pollen Grains. Mitosis. Each Pollen Grain now has two haploid nuclei (a) A Tube Nucleus (b) A Generative Nucleus.

769 views • 6 slides