- Physical parthenogenesis
(i) Parthenogenesis is induced by electric shock to the unfertilized egg. The egg develops into an embryo. A new plant develops from the embryo.
(ii) Unfertilized ovum at 300 cm. After temperature 00-100 C. Transferred to temperature. Parthenogenesis of unfertilized eggs occurs when the temperature changes drastically. The ovum gives rise to the embryo and the embryo gives rise to a new plant.
(iii) Parthenogenesis occurs when the unfertilized ovum is pierced with a needle.
(iv) Parthenogenesis of unfertilized eggs is induced by application of UV light.
- Chemical parthenogenesis
Biological studies have shown that the application of certain chemicals can induce parthenogenesis of unfertilized eggs to form embryos. Parthenogenesis of unfertilized eggs is done using potassium chloride, sodium chloride, calcium chloride, chloroform, butyric acid, toluene, benzene, acetone etc.