With reference to the current trends in the cultivation of sugarcane in India, consider the following statements:

1.A substantial saving in seed material is made when ‘bud chip settlings’ are raised in a nursery and transplanted in the main field.

2.When direct planting of setts is done, the germination percentage is better with single- budded setts as compared to setts with many buds.

3.If bad weather conditions prevail when setts are directly planted, single-budded setts have better survival as compared to large setts.

4.Sugarcane can be cultivated using settlings prepared from tissue culture.

Which of the statements given above is/are correct?