Question

why is loranthus known as a partially parasitic plant

Answer 1

1. It is common parasites of mango trees. In Northern India 60-90% of mango trees and large no of other trees are heavily or moderately infected by these parasites. 2. Loranthus Dendro-phthae falcate, the most common species in India is the semi parasitic of the tree trunk and branches. Their leaves posses chlorophyll and synthesize carbohydrate constituent of their food requirement.   3. Since the parasite attacks the aerial part of host tree, situated far above the soil level and as such devoid of root system of its own. 4. The parasite attacks, the aerial parts of the host trees, by developing haustoria and obtain its nourishment directly from the vascular system of the host plant. 5. The continuous sucking of the food material by parasite resulting the host to die. 6. The place at which host is attached and where the haustoria penetrates often swell to form tumours which vary in size according to age of the parasites. 7. The flowers of parasites are borne in clusters. They are long tabular in shape and usually greenish, red or white in colour according to species. 8. The fruit is fleshy and contains a solitary seed. It is sweet eaten by birds and animals. 9. The parasite is spread by dispersal of its seed, mostly through birds and to some extent by other animals. 10. The damage done by the parasite is most marked in production of new growth of the host. The quantity and yield of fruit is considerably lowered. Leaves are reduced in size and show unhealthy green colour.

Answer 2

Partial parasitic plant : Loranthus

• Loranthus is called partially parasitic plant because it can perform photosynthesis but is dependent on the host plant for materials required for photosynthesis.
• Loranthus is a stem-partial parasite. It develops on trees like Mango.
• It ingests minerals and water from host plant through sucking roots called Haustoria.
• Due to the presence of chlorophyll in the leaves of the Loranthus plant, with the obtained minerals and water, it performs photosynthesis.
• Thus it is considered as a partial parasitic plant.

Learn more about Loranthus

Why is loranthus known as partially parasitic plant?

https://brainly.in/question/1459007

From where do loranthus obtain minerals and water

https://brainly.in/question/1459000