Prohexadione calcium on the growth and quality of eggplant seedlings
Özet
The objective of this work was to evaluate the effects of prohexadione
calcium concentrations on the growth and quality of eggplant (Solanum
melongena) seedlings. The effects of prohexadione calcium concentrations
of 0, 50, 100, or 150 mg L-1 on seedling growth parameters were
evaluated in a greenhouse experiment. After the greenhouse experiment,
the seedlings were transplanted to the field. During the field
experiment, the number of days to flowering, plant height, number of
fruits per plant, average fruit weight and yield were evaluated. Both
experiments were carried out in a completely randomized design with four
replicates. All prohexadione calcium concentrations significantly
reduced shoot height and internode length, when compared to the control.
The concentrations of 50, 100, and 150 mg L-1 prohexadione calcium
reduced shoot height by 27, 32, and 38\%, respectively. Prohexadione
calcium treatments (except the one with 50 mg L-1) enhanced relative
chlorophyll content of leaves in comparison to the control. There were
no delays in flowering and no significant differences in number of
fruits per plant among treatments with prohexadione calcium. The
concentrations of 100 and 150 mg L-1 prohexadione calcium significantly
reduced yield per plant and total fruit yield, whereas the concentration
of 50 mg L-1 did not cause any change in yield compared to the control.
The lowest prohexadione calcium concentration can be used to control
excessive elongation of eggplant seedlings without yield loss.
Koleksiyonlar
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