Question:
Given below are two statements:
Statement (I): The head system of training in case of grapes is suitable for less vigorous cultivars
Statement (II): The telephone system of training in case of grapes is suitable for moderately vigorous cultivars having more apical dominance
In light of the above statements,choose the most appropriate answer from the options given below.
Given below are two statements:
Statement (I): The head system of training in case of grapes is suitable for less vigorous cultivars
Statement (II): The telephone system of training in case of grapes is suitable for moderately vigorous cultivars having more apical dominance
In light of the above statements,choose the most appropriate answer from the options given below.
Statement (I): The head system of training in case of grapes is suitable for less vigorous cultivars
Statement (II): The telephone system of training in case of grapes is suitable for moderately vigorous cultivars having more apical dominance
In light of the above statements,choose the most appropriate answer from the options given below.
Show Hint
Remember the suitability of grape training systems:
- Head system: Low vigor, highly fertile basal buds.
- Bower (Pergola) system: Highly vigorous varieties (e.g., Anab-e-Shahi, Thompson Seedless).
- Telephone system: Moderately vigorous varieties.
- Head system: Low vigor, highly fertile basal buds.
- Bower (Pergola) system: Highly vigorous varieties (e.g., Anab-e-Shahi, Thompson Seedless).
- Telephone system: Moderately vigorous varieties.
Updated On: Jul 29, 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.
Show Solution
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Training systems in viticulture (grape cultivation) aim to support the vine, distribute the canopy in space to optimize light interception, facilitate cultural operations, and balance vegetative growth with fruit yield.
Step 2: Detailed Explanation:
Let us analyze both statements:
Statement (I): The head system (also known as the goblet system) is the simplest and cheapest method of grape training.
In this system, vines are trained to a short, upright trunk supported by a single stake, without any elaborate trellis wires.
Because the vegetative framework is compact and limited, it is best suited for less vigorous grape cultivars (such as 'Beauty Seedless' or 'Delight') that have highly fertile basal buds, allowing them to produce adequate yields on short spurs.
Thus, Statement (I) is correct.
Statement (II): The telephone system (also known as the overhead trellis or T-trellis system) utilizes a vertical post with a cross-arm at the top supporting several parallel wires, resembling telephone lines.
This design allows the shoots to grow upwards and then spread horizontally.
It is highly suited for moderately vigorous cultivars that exhibit strong apical dominance, where distributing the canopy over a wider horizontal plane helps expose the leaves to sunlight, reduces vegetative overcrowding, and improves bud fruitfulness.
Thus, Statement (II) is also correct.
Step 3: Final Answer:
Both Statement (I) and Statement (II) are true.
Training systems in viticulture (grape cultivation) aim to support the vine, distribute the canopy in space to optimize light interception, facilitate cultural operations, and balance vegetative growth with fruit yield.
Step 2: Detailed Explanation:
Let us analyze both statements:
Statement (I): The head system (also known as the goblet system) is the simplest and cheapest method of grape training.
In this system, vines are trained to a short, upright trunk supported by a single stake, without any elaborate trellis wires.
Because the vegetative framework is compact and limited, it is best suited for less vigorous grape cultivars (such as 'Beauty Seedless' or 'Delight') that have highly fertile basal buds, allowing them to produce adequate yields on short spurs.
Thus, Statement (I) is correct.
Statement (II): The telephone system (also known as the overhead trellis or T-trellis system) utilizes a vertical post with a cross-arm at the top supporting several parallel wires, resembling telephone lines.
This design allows the shoots to grow upwards and then spread horizontally.
It is highly suited for moderately vigorous cultivars that exhibit strong apical dominance, where distributing the canopy over a wider horizontal plane helps expose the leaves to sunlight, reduces vegetative overcrowding, and improves bud fruitfulness.
Thus, Statement (II) is also correct.
Step 3: Final Answer:
Both Statement (I) and Statement (II) are true.
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