Growth and flowering of non pre-cooled tulip bulbs were investigated, and it replaced the cold requirement of the bulbs
TIBA treatment is more effective for early flowering and flower stalk elongation.
Auxin transport inhibitor, 2,3,5-triidobenzoic acid (TIBA).
The presence of 2,3,5-triiodobenzoic acid (TIBA) in the culture medium significantly depressed lateral root formation of inoculated seedling.
It has been observed that flowers appearing early has more proportion of female.
Flowers are bi sexual flowers, hence it is beneficial to have early flowering. But in some crops such as cucurbits, watermelon, bottle gauds, bitter gaud. Early flowering is having more female flowers and ones, male flowers % and dominance is established Number of female flowers are produced is very less under this condition
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Applications of TIBA two sprays:
- 1st spray @ 10 ppm at 6 leaf stage
- 2nd spray @20 ppm at flowering stage is beneficial
- It increase % female flower and hence better productivity. More fruits are produced. Better fruit quality due to saving energy of plant which other vice have been wasted in male flower production. Saving non productive energy is important.
Once proper number of leaves have been established and leaves have completed job of producing food material for flowering , it is important to divert energy in establishing reproductive phase by inhibiting vegetative stage by using inhibitors. Hence by using TIBA -5% at proper dose ( 1 ml/5 lt water) and time more female (productive ) flower can be achieved.
We have made available 5% formulation. hence use 1ml TIBA -5 , Mix with 5lt water to have 10 ppm and spry at early stage ( 6 leaf stage) and mix 2ml TIBA-5 in 5lt water and spray at flowering stage.
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