3. General characteristics of polyploid plants a) Giantness b)Low fertility c) More resistant to stresses Application of polyploidy in Plant Breeding 3x, 4x grape Big fruits, seedless 4x Tomato High vc content 3x watermelon Big fruit, seedless 3 x azalea杜鹃花 Big flower, long period of flowering3. General characteristics of polyploid plants a) Giantness b) Low fertility c) More resistant to stresses 4. Application of Polyploidy in Plant Breeding • 3x, 4x grape Big fruits, seedless • 4x Tomato High Vc content • 3x watermelon Big fruit, seedless • 3x azalea 杜鹃花 Big flower, long period of flowering