Question

Stock and scion are used in
a. Cutting
b. Grafting
c. Layering
d. Micropropagation

Answer 1

In some agriculture and horticulture practice, where two plants are selected and their parts are cut and these parts may be different in each plant, such as flowers, stems, and leaves so that the genes present in the tissues are useful for culture techniques.

Complete answer:
- Grafting is the technique where the tissues of plants are joined together so that they continue to grow each other.
- During the process of the upper part of the combined plant is called Scion, and the lower part of the combined plant is called Stock.
- To succeed in this culture, they both should join in such a way that vascular tissue grows together and that type of joining is called inosculation.
- This technique which is commonly used in methods of horticulture is considered as asexual propagation.
- If the grafting is done in the stem, the method that should be selected is the school of the desired plant and grafted onto the stock of another type.
- There is also another type of grafting method which is also bud grafting, where a dormant bud is grafted onto the stem of another stock plant and that should be inoculated in a successive manner, where the stock and scion of plants must be placed in contact with each other.
- Some of the advantages include precocity, dwarfing, ease of propagation, hybrid breeding, and genetic consistency.

Hence, the correct answer is option (B).

Note: In the grafting, both tissues should be kept alive, until the graft has taken a few weeks, where the successful grafting only requires the vascular connection that should take place between the Stock and Scion of the grating plant.