HORTICULTURE SCIENCE
CROP PHYSIOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Gibberellin and Abscisic acid
|
|
|
Cytokinin and Abscisic acid
|
|
|
Auxin and Ethylene
|
|
|
Gibberellin and Cytokinin
|
Detailed explanation-1: -Auxin is required for flowering in pineapple while ethylene is required to initiate flowering and for production of synchronised fruit set in pineapple. Thus, auxin and ethylene can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield.
Detailed explanation-2: -So, the correct answer is ‘Auxin and Ethylene’
Detailed explanation-3: -Naphthalene acetic acid-NAA. NAA is a synthetic auxin produced. It helps in the flowering of pineapple. IBA is another auxin which helps in inducing root growth in the plant cutting from the parent plant.
Detailed explanation-4: -Gibberellin is the hormone that is majorly found in plants and they help in the blooming of long-day plants.