Question:
Which of the following is a desi cotton cultivated species in india as per Hutchinson (1947):
Which of the following is a desi cotton cultivated species in india as per Hutchinson (1947):
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Always associate "Desi" cottons with the diploids: G. arboreum and G. herbaceum.
They are highly drought-tolerant and pest-resistant compared to the introduced tetraploids.
They are highly drought-tolerant and pest-resistant compared to the introduced tetraploids.
Updated On: Jul 6, 2026
- Gossypium arboreum, Gossypium herbaceum
- Gossypium hirsutum, Gossypium barbadense
- Gossypium arboreum, Gossypium hirsutum
- Gossypium herbaceum, Gossypium barbadense
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Cultivated cotton belongs to the genus Gossypium and is divided into diploid Old World species ("Desi" cottons) and tetraploid New World species ("American" cottons).
Step 3: Detailed Explanation:
As classified by Hutchinson (1947), the four commercially cultivated cotton species are:
1. Diploid (Desi) Cottons (\(2n = 2x = 26\)):
- Gossypium arboreum (Tree cotton)
- Gossypium herbaceum (Levant cotton)
These are native Old World species traditionally cultivated in India.
2. Tetraploid (American) Cottons (\(2n = 4x = 52\)):
- Gossypium hirsutum (Upland cotton)
- Gossypium barbadense (Sea Island/Egyptian cotton)
Therefore, the Desi cultivated cotton species are Gossypium arboreum and Gossypium herbaceum.
Step 4: Final Answer:
The correct option is 1, which corresponds to Gossypium arboreum, Gossypium herbaceum.
Cultivated cotton belongs to the genus Gossypium and is divided into diploid Old World species ("Desi" cottons) and tetraploid New World species ("American" cottons).
Step 3: Detailed Explanation:
As classified by Hutchinson (1947), the four commercially cultivated cotton species are:
1. Diploid (Desi) Cottons (\(2n = 2x = 26\)):
- Gossypium arboreum (Tree cotton)
- Gossypium herbaceum (Levant cotton)
These are native Old World species traditionally cultivated in India.
2. Tetraploid (American) Cottons (\(2n = 4x = 52\)):
- Gossypium hirsutum (Upland cotton)
- Gossypium barbadense (Sea Island/Egyptian cotton)
Therefore, the Desi cultivated cotton species are Gossypium arboreum and Gossypium herbaceum.
Step 4: Final Answer:
The correct option is 1, which corresponds to Gossypium arboreum, Gossypium herbaceum.
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