Vol. 11, Issue 1 (2023)
Evaluation of organic production technologies for improvement of yield and quality of multiplier onion (Allium cepa L. var. aggregatum)
Author(s): Y Raja Joslin, P Irene Vethamoni, K Rajappan, L Chithra and S Jeeva
Abstract: Onion is one of the important bulbous vegetable crop used as fresh vegetable and in Ayurveda system of medicine the residual effect due to chemical fertilizer is highly harmful to human being. Hence, development of organic cultivation practices is essential. The present experiment on “Evaluation of organic production practices for improvement of yield and quality of multiplier onion (Allium cepa L. var. aggregatum) cv. CO (On 5)” was carried out to find out the suitable organic nutrients combinations for higher yield during two cropping seasons in 2017-18 and 2018-19. The experiment was laid out in a Factorial Randomized Block Design. Totally 15 treatments were replicated in thrice. The Growth stimulators were sprayed twenty day after transplanting (DAP) and on 40th DAP. Among the different levels of treatments, significant increase in yield parameters was found in treatment T9, Soil application of vermicompost 5 t ha-1 along with biofertilizer (Azospirillum, phosphobacteria, Potash mobilizing bacteria and Sulphur oxidizing bacteria each @ 2 kg ha-1 + VAM @ 12 kg ha-1) and spraying of bio stimulant seaweed extract (0.1%) gave the maximum Bulb weight/ clump (14.22 g), plant height (25.73cm), Number of leaves/plant (11.46 Nos.), equatorial diameter of the bulblet (1.80 cm), polar diameter of the bulblet (2.48cm), bulb yield (8.98 t ha-1). The results revealed that the overall performance of Treatment T9 was superior to all the other treatments and this organic cultivation package is recommended in Ariyalur district, Tamil Nadu. After harvesting, the leaves were removed leaving 2.0cm neck space from the bulb and post-harvest quality characters were studied. It was found that Treatment T9 recorded highest in quality characters viz., moisture content, TSS, pyruvic acid, ascorbic acid and soluble protein.
Pages: 25-30 | 509 Views 178 Downloads
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How to cite this article:
Y Raja Joslin, P Irene Vethamoni, K Rajappan, L Chithra, S Jeeva. Evaluation of organic production technologies for improvement of yield and quality of multiplier onion (Allium cepa L. var. aggregatum). Int J Chem Stud 2023;11(1):25-30.
