Effect of iron and zinc on flowering and postharvest life in gladiolus (Gladiolus spp.)

ANIL K SINGH; RAIMANI HEMBROM; ANJANA SISODIA; A K PAL; ASMITA ASMITA

doi:10.56093/ijas.v86i10.62128

Authors

ANIL K SINGH Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221 005
RAIMANI HEMBROM Indian Institute of Horticultural Research, Bengaluru
ANJANA SISODIA Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221 005
A K PAL Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221 005
ASMITA ASMITA IARI, New Delhi

https://doi.org/10.56093/ijas.v86i10.62128

Keywords:

Flowering, Gladiolus, Iron sulphate, Postharvest life, Zinc sulphate

Abstract

An experiment was conducted at Banaras Hindu University in the year 2013-14 to find out the effect of foliar application of iron and zinc on flowering and postharvest life in gladiolus (Gladiolus spp.). Foliar application of ZnSO₄ 0.4% was found to be most effective for enhanced length of rachis (56.89 cm) and duration of flowering (15.33 days). While, days to opening of first floret was earliest with the treatment FeSO₄ 0.2% (81.25 days) and was significant to the other treatments. Maximum diameter of third floret (12.40 cm) was recorded with FeSO₄ 0.4% + ZnSO₄ 0.2% which was statistically at par with the treatment FeSO₄ 0.4%, FeSO₄ 0.2% and FeSO₄ 0.2% + ZnSO₄ 0.2%. Among postharvest indices, foliar application of FeSO₄ 0.4% prolonged the days to opening of the first floret (3.33 days) followed by FeSO₄ 0.2% and ZnSO₄ 0.2%. Whereas, days to opening of the third floret was maximum (5.67 days) with the treatment combination FeSO₄ 0.4% + ZnSO₄ 0.4% followed by FeSO₄ 0.4%. Maximum diameter of the first, third and fifth floret was recorded with the treatment combination FeSO₄ 0.2% + ZnSO₄ 0.2% which was statistically at par with ZnSO₄ 0.2%. Solution uptake was recorded maximum (130.00 ml) with the treatment FeSO₄ 0.2% followed by FeSO₄ 0.2% + ZnSO₄ 0.4%. Maximum vase-life was observed with the treatment ZnSO₄ 0.4% (15.67 days) followed by FeSO₄ 0.2% + ZnSO₄ 0.4% whereas; minimum vase life was recorded with the control(12.33 days).

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