Step 1: Preparation of rootstock.
The top portion of the rootstock is cut leaving a 7–8 cm stem (A).
Step 2: Making the cut.
A vertical cut of 2–3 cm is given on the rootstock stem (D).
Step 3: Preparation of scion.
A scion is given slanting cuts on both sides to make a wedge shape (C).
Step 4: Joining and tying.
The scion is inserted in the vertical cut of the rootstock and tied with a polythene strip (B).
Step 5: Conclusion.
Thus, the correct order is (A), (D), (C), (B).
Final Answer: \[ \boxed{\text{Correct sequence = (A), (D), (C), (B).}} \]
Mandarin orange-Fruit Crop
Mandarin oranges (Botanical name - Citrus reticulata, Family - Rutaceae), commonly known as Santra, are the most refreshing and health-promoting juicy fruits. Besides Vitamin C, it is an excellent source of pectin and certain essential oils. The juice is advised to patients. Subtropical and tropical climates are required for the growth of santra. The trees grow luxuriantly in 1.5 m deep well-drained soils free from excess salts and having adequate content of organic matter. The important varieties are Nagpur santra (Maharashtra), Khansi mandarin (Assam), Coorg mandarin (Karnataka), Kinnow (Punjab), Emperor, Hill orange, Mudkhed seedless, and Honey (for kitchen gardening). Santra are commercially propagated by shield or ‘T’ budding on rootstocks like jamberi or rangpur lime. Average yield is 80 to 160 fruits per tree.