STANDARDISATION OF SPACING FOR ZUCCHINI (Cucurbita pepo L.) UNDER POLYHOUSE AND OPEN FIELD CONDITIONS
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Date
2019-10-23
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UNIVERSITY OF AGRICULTURAL SCIENCES, GKVK BENGALURU
Abstract
The field investigation on standardisation of spacing for Zucchini (Cucurbita pepo
L.) under polyhouse and open field conditions was undertaken at the Department of
Horticulture, UAS, GKVK, Bengaluru. The highest plant height (91.4 cm), higher number
of leaves plant⁻¹ (39.46), highest number of nodes plant⁻¹ (36.93), highest leaf area plant⁻¹
(568.53 cm2
), highest number of male and female flowers plant⁻¹ (34 and 18 respectively),
higher number of fruits plant⁻¹ (3.29), higher fruit weight plant⁻¹ (262.09 g), highest fruit
yield plant⁻¹ (3.28 kg) and higher fruit TSS (4.51 ºBrix) was recorded significantly at 1.2
× 1.2 m spacing level under protected condition. Similarly, under open field condition,
higher plant height (67.89 cm), highest number of leaves plant⁻¹ (25.33), highest number
of nodes plant⁻¹ (22.33), highest leaf area plant⁻¹ (502.37 cm2), highest number of male
and female flowers plant⁻¹ (20.66 and 17.00 respectively), higher number of fruits plant⁻¹
(2.54), higher fruit weight plant⁻¹ (253.09 g), highest fruit yield plant⁻¹ (2.13 kg) and higher
fruit TSS (4.66 ºBrix) was noticed at 1.2 × 1.2 m spacing level. Similarly, the highest
estimated fruit yield per hectare (56.84 t ha⁻¹) and higher net returns (Rs. 9,26,956 /-) was
recorded at 1.2 × 1.2 m spacing level under protected condition. However higher cost
benefit ratio (1:3.70) were recorded at 1.2 × 1.2 m spacing level in under open field
condition. In general, better vegetative growth, higher yield, good quality of fruits and
higher net returns were obtained from protected grown zucchini compared to open-field
condition.