1. 2, 4 –Dichlorobutyric acid
2. 2, 4 –Dichlorophenoxy acetic acid
3. 2, 4 –Dichloronaphthalene acetic acid
4. 2, 4 –Dichloroacetic acid
2, 4 –Dichlorophenoxy acetic acid
1. Gibberellic acid
2. Ethylene
3. Abscisic acid
4. Coumarin
Gibberellic acid
1. Short night requirement for flowering
2. No right requirement for flowering
3. Long right requirement for flowering
4. Short day right requirement for flowering
Short night requirement for flowering
1. First treatment that counts
2. Middle treatment that counts
3. Last treatment thsat counts
4. Sum total of all the treatments that count
Last treatment thsat counts
1. Spraying hormones on plants
2. Spraying radioactive elements
3. By subjecting seeds to heat treatment
4. By vegetative propagation of stem
Spraying hormones on plants
1. Auxins
2. Gibberellins
3. Auxins and cytokinins
4. Cytokinins and Gibberellins
Cytokinins and Gibberellins
1. Skoog
2. Hales
3. Boysen and Jensen
4. Koal
Boysen and Jensen
1. Formation of root hair
2. Ripening of fruit
3. Formation of nodes
4. Formation of internodes
Ripening of fruit
1. Increase in root
2. Ripening of fruits
3. Leaf extension growth
4. Sudden elongation of stem
Sudden elongation of stem
1. To check senescence
2. To check abscission
3. To mobilize solutes from one part to the other
4. To overcome dormancy
To check senescence