Environmental effects on the growth of philodendron wendlandii
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Date
1996
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Department of Pomology & Floriculture, College of Horticulture, Vellanikkara
Abstract
An experiment was carried out at the Department of Pomology and
Floriculture, College of Horticulture, Vellanikkara, to evaluate the environmental
influence on the growth of Philodendron 'Wendlandii'. The effects of media,
containers and fertilizer forms and doses were assessed at three levels of shade,
namely, 25, 50 and 75 per cent.
Results revealed that treatments could significantly influence all the
vegetative parameters, viz., plant height, number of leaves, total leaf area and
number of side shoots, at different stages of growth. The superiority of the combination
of peat, mud pot and soluble fertilizer at its higher concentration was clearly
evident with respect to plant height at 25 and 50 per cent shade levels. Controlled
release fertilizer substituted in the above combination recorded plant height on par
with this, at 25 and 50 per cent shade levels whereas the height was significantly
superior at 75 per cent shade level.
Number of leaves was higher in the case of peat + mud pot + controlled
release fertilizer under all the three shade levels. The above treatment combination
produced more leaf area under 50 per cent shade. This was comparable with that of
the leaf area produced when soluble fertilizer was used at 75 per cent shade. Number
of side shoots was also higher in a combination of peat + mud pot + controlled
release fertilizer.
Total biomass was a good indicator of the superiority of peat + mud pot
-\- controlled release fertilizer at 25 and 50 per cent shade levels. The response in
uptake was more in the case of peat supplied with controlled release fertilizer. Better
plant quality was observed when grown in peat and mud pot.
The shade level of 50 per cent was considerably better with respect to all
the growth parameters, such as, height, number of leaves and total leaf area.
Although chlorophyll content was maximum under 75 per cent shade, it was on par
with that at 50 per cent shade. Overall plant quality too showed superiority of 50 per
cent shade level.
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Citation
170768