Question:

Which of the following is the most common rootstock for budding in rose under North Indian conditions?

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North India = Rosa indica var. odorata (Edouard Rose).
South India/Greenhouse = Rosa multiflora.
This is a high-frequency question in ICAR exams.
  • Rosa foetida
  • Rosa lucida
  • Rosa multiflora
  • Rosa indica var. odorata
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The Correct Option is D

Solution and Explanation

Step 1: Understanding the Concept:
Rootstocks are used in rose cultivation to provide vigor, disease resistance, and adaptability to specific soil and climatic conditions. Different regions prefer different species.

Step 2: Detailed Explanation:

Rosa multiflora: This is the most common rootstock used in South India and for greenhouse (polyhouse) roses because of its high vigor and suitability for acidic soils.
Rosa indica var. odorata (specifically the selection 'Edouard' or 'Edward' rose): This is the standard and most widely used rootstock for outdoor budding in North India. It is highly adapted to the alkaline soils and extreme temperature fluctuations (very hot summers and cold winters) prevalent in the North Indian plains. It is easy to propagate by cuttings and shows good compatibility with a wide range of Hybrid Tea and Floribunda varieties.
Rosa foetida and Rosa lucida are species roses but are not used as primary commercial rootstocks in the Indian nursery industry.

Step 3: Final Answer:

Rosa indica var. odorata is the most common rootstock for roses in North India.
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