Question:
Match List I with List II pear rootstock for their salient characteristics
{|p{7cm}|p{7cm}|}
List I (Pear Rootstock) & List II (Salient Characteristics)
(A) Pyrus betulifolia & (I) Blight resistant rootstock
(B) Cydonia oblonga & (II) Black end susceptible rootstock
(C) Pyrus calleryana & (III) Dwarfing rootstock
(D) Pyrus pyrifolia & (IV) Alkaline tolerant rootstock
Match List I with List II pear rootstock for their salient characteristics
{|p{7cm}|p{7cm}|} List I (Pear Rootstock) & List II (Salient Characteristics)
(A) Pyrus betulifolia & (I) Blight resistant rootstock
(B) Cydonia oblonga & (II) Black end susceptible rootstock
(C) Pyrus calleryana & (III) Dwarfing rootstock
(D) Pyrus pyrifolia & (IV) Alkaline tolerant rootstock
{|p{7cm}|p{7cm}|} List I (Pear Rootstock) & List II (Salient Characteristics)
(A) Pyrus betulifolia & (I) Blight resistant rootstock
(B) Cydonia oblonga & (II) Black end susceptible rootstock
(C) Pyrus calleryana & (III) Dwarfing rootstock
(D) Pyrus pyrifolia & (IV) Alkaline tolerant rootstock
Show Hint
Remember that Quince (*Cydonia oblonga*) is the classic dwarfing rootstock for pear.
Matching (B) with (III) helps you quickly narrow down the choices and find the correct option.
Matching (B) with (III) helps you quickly narrow down the choices and find the correct option.
Updated On: Jul 23, 2026
- (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
- (A) - (III), (B) - (IV), (C) - (II), (D) - (I)
- (A) - (IV), (B) - (III), (C) - (I), (D) - (II)
- (A) - (II), (B) - (I), (C) - (IV), (D) - (III)
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
This question focuses on matching pear (*Pyrus* species) and quince (*Cydonia*) rootstocks with their distinct horticultural and physiological characteristics.
Step 2: Detailed Explanation:
Let us evaluate each rootstock and its characteristics:
(A) Pyrus betulifolia:
This species is known for its excellent tolerance to high-pH, alkaline, and saline soils.
It is widely used in areas with alkaline soil conditions.
Hence, (A) matches with (IV) Alkaline tolerant rootstock.
(B) Cydonia oblonga:
Commonly known as Quince, this species is widely used as a standard dwarfing rootstock for commercial pear orchards to manage tree size and encourage early fruiting.
Hence, (B) matches with (III) Dwarfing rootstock.
(C) Pyrus calleryana:
This species is highly resistant to fire blight (*Erwinia amylovora*), a major bacterial disease that affects pear orchards.
Hence, (C) matches with (I) Blight resistant rootstock.
(D) Pyrus pyrifolia:
This species, often used as a rootstock, is highly susceptible to the physiological disorder "black end" of pear fruit.
Hence, (D) matches with (II) Black end susceptible rootstock.
Step 3: Final Answer:
The correct matching sequence is:
(A) - (IV), (B) - (III), (C) - (I), (D) - (II).
This matches Option (C).
This question focuses on matching pear (*Pyrus* species) and quince (*Cydonia*) rootstocks with their distinct horticultural and physiological characteristics.
Step 2: Detailed Explanation:
Let us evaluate each rootstock and its characteristics:
(A) Pyrus betulifolia:
This species is known for its excellent tolerance to high-pH, alkaline, and saline soils.
It is widely used in areas with alkaline soil conditions.
Hence, (A) matches with (IV) Alkaline tolerant rootstock.
(B) Cydonia oblonga:
Commonly known as Quince, this species is widely used as a standard dwarfing rootstock for commercial pear orchards to manage tree size and encourage early fruiting.
Hence, (B) matches with (III) Dwarfing rootstock.
(C) Pyrus calleryana:
This species is highly resistant to fire blight (*Erwinia amylovora*), a major bacterial disease that affects pear orchards.
Hence, (C) matches with (I) Blight resistant rootstock.
(D) Pyrus pyrifolia:
This species, often used as a rootstock, is highly susceptible to the physiological disorder "black end" of pear fruit.
Hence, (D) matches with (II) Black end susceptible rootstock.
Step 3: Final Answer:
The correct matching sequence is:
(A) - (IV), (B) - (III), (C) - (I), (D) - (II).
This matches Option (C).
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