Question:
Given below are two statements:
Statement (I): Rootstock 110 R restricted uptake of sodium and chloride.
Statement (II): While Dog ridge and Salt creek were know to restrict the uptake of chloride only.
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements:
Statement (I): Rootstock 110 R restricted uptake of sodium and chloride.
Statement (II): While Dog ridge and Salt creek were know to restrict the uptake of chloride only.
In light of the above statements, choose the most appropriate answer from the options given below.
Statement (I): Rootstock 110 R restricted uptake of sodium and chloride.
Statement (II): While Dog ridge and Salt creek were know to restrict the uptake of chloride only.
In light of the above statements, choose the most appropriate answer from the options given below.
Show Hint
Under high salinity, rootstocks of Vitis champinii (Dog Ridge and Ramsey) are highly efficient chloride excluders, but they can accumulate sodium in the leaves.
Updated On: Jul 10, 2026
- Both Statement (I) and Statement (II) are true.
- Both Statement (I) and Statement (II) are false.
- Statement (I) is true but Statement (II) is false.
- Statement (I) is false but Statement (II) is true.
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Soil salinity poses a major challenge to viticulture. Grapevine rootstocks vary in their capacity to exclude or restrict the uptake of toxic sodium ($\text{Na}^+$) and chloride ($\text{Cl}^-$) ions, thereby protecting the scion from physiological damage.
Step 2: Detailed Explanation:
- Statement (I) is true: 'Richter 110' (110 R) is a robust rootstock (Vitis berlandieri $\times$ Vitis rupestris) widely recognized for its salinity and drought tolerance. It effectively limits the absorption and translocation of both sodium and chloride ions to the scion leaves.
- Statement (II) is true: 'Dog Ridge' and 'Salt Creek' (syn. Ramsey, both belonging to Vitis champinii) are excellent chloride excluders, significantly reducing the accumulation of chloride in scion leaves. However, they are less effective at restricting sodium uptake under severe salinity conditions.
Hence, both Statement (I) and Statement (II) are correct.
Step 3: Final Answer:
Both Statement (I) and Statement (II) are true.
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