volume 41 issue 1 (march 2007) : 71 - 74
INFLUENCE OF SPACING, BULB SIZE AND DEPTH OF PLANTING ON FLOWER YIELD AND QUALITY OF TUBEROSE (POLIANTHES TUBEROSA L.) CV. ‘SINGLE’
1Marathwada Agriculture University,
Parbhani - 431 401, India
ABSTRACT
An experiment was laid out with three spacing (15, 20, 25 cm), two bulb sizes (2.5, 3 cm diameter) and three depths of planting (3,5,7 cm). In respect of spacing, flower yield and quality parameters except girth of the spike were significantly influenced in widest spacing (20 x 25 cm2). Longevity of spike (19.23 days) and keeping quality at room temperature (14.30 days) was highest in widest spacing. The large bulb size (B2) recorded significant increase in number of spikes per plant, the length and girth of spike, keeping quality of the spike at room temperature. Planting the bulbs at shallow depth (3 cm) resulted in the earliest spike emergence, but had no identical difference with medium depth (5 cm) of planting. The length of spike, number of spikes per plant and longevity of spike in field increased significantly at 7 cm depth, while the treatment D2 (5 cm) recorded significantly superior results in case of diameter of spike, number of florets per spike and length of rachis. The bigger sized bulb (3 cm diameter) planted at widest spacing (20 x 25 cm2) and at 5 cm depth of planting was found best to get maximum commercial advantage for achieving higher flower yield and quality of tuberose
KEYWORDS
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Indian Journal of Agricultural Research
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