Here is Question No. 89 a part of our series on UPSC Prelims 2020
Q89. With reference to the current trends in the cultivation of sugarcane in India, consider the following statements:
- A substantial saving in seed material is when ‘bud chip settlings’ are raised in a nursery and transplanted in the main field.
- When direct planting of seeds is done, the germination percentage is better with single-budded setts as compared to setts with many buds.
- If bad weather conditions prevail when seeds are directly planted, single budded setts have better survival as compared to large setts.
- Sugarcane can be cultivated using settlings prepared from tissue culture.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 only
(c) 1 and 4 only
(d) 2, 3 and 4 only
Answer: (c)
- Statement 1 is correct: Bud chip technology reduces the mass and enables quick multiplication of seeds. This method has proved to be more economical and convenient than the traditional method of planting two to three bud setts. The returns are relatively better, with substantial savings on the seed material used for planting.
- Statement 2 is not correct: When direct planting of setts is done, the germination percentage is better with setts with many buds as compared to single-budded setts.
- Statement 3 is not correct: If bad weather conditions prevail when setts are directly planted, largesetts have better survival as compared to single-budded setts.
- Statement 4 is correct: Tissue culture or vegetative propagation can be used to germinate and grow these settlings which can be transplanted in the field later. Sugarcane can be cultivated using settlings prepared from tissue culture
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