Influence of size of sucker and method of planting on the growth and yield of pineapple var.`mauritius`
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Date
1998
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Department of Pomology and Floriculture, College of Horticulture, Vellanikkara
Abstract
An experiment was carried out at the Kerala Horticulture Development
Programme, College of Horticulture, Vellanikkara, to evaluate the influence of size
of sucker and method of planting on the growth and yield of pineapple variety
Mauritius. Suckers of three sizes, viz., 500 g, 750 g and 1000 g, and three methods
of planting, viz., planting at ground level, in trenches of 15 cm depth and in
trenches of 30 cm depth were used.
Results revealed that the size of suckers had significant positive influence
on the overall vegetative growth. Suckers weighing 1000 g were found to be
significantly superior to those weighing 750 g and 500 g, with respect to resultant
height of plants, number of leaves and leaf area. Plants raised from suckers
weighing 750 g and 500 g performed similarly.
The leaf area index was found to be more in plants derived from large
suckers (1000 g), compared to those derived from medium and small suckers.
Larger suckers (1000 g) reached the physiological maturity for flowering
(39-42 leaf stage), one month earlier than smaller suckers (750 g and 500 g).
The initiation of flowering was quicker in plants derived from medium
and small suckers.
The time taken for 50 per cent flowering was lesser for plants derived
from medium and small suckers.
Planting large suckers in all the methods resulted in longer flowering
phase.
The fruit weight (with or without crown) and yield per hectare were not
significantly influenced by size of suckers.
But the total crop duration was lesser for plants raised from large suckers
when compared to medium and small suckers.
The sugar content was more in plants derived from small and medium
sized suckers.
The method of planting did not have much significant influence on the
growth and yield characters. This suggests that ground planting is sufficient in
pineapple variety Mauritius, which can reduce the cost of cultivation thereby
increasing the profitability of the farmer.
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