Uttar Pradesh in the country. These States account for almost 90 per cent of the total onion production of the country. Multiplier onion or aggregatum onion (Allium cepa var.
A field experiment on curing studies in onion was conducted at College Orchard of Tamil Nadu Agricultural University, Coimbatore during 2009. This experiment was laid out in factorial completely randomized design (FCRD) with six treatments and three replications. The influences of different curing methods viz., bulbs with tops removed (T 1 ), bulbs with 2cm neck length (T 2 ), bulbs with 4cm neck length (T3 ), bulbs treated with sulphur fumigation (50g m -3 ) for three hours (T 4 ), bulbs treated with gamma rays @ 2kr (T 5 ), bulbs treated with gamma rays @4kr (T 6 ) in onion were studied. Among the above curing methods, bulbs with 2cm neck length (T 2 ) had improved quality parameters such as pyruvic acid (2.67μmol g -1 ), TSS content (13.77 o brix) and moisture content (93.95%). The same treatment recorded lowest physiological loss in weight (1.33 per cent), sprouting (0.09 per cent) and highest shelf life compared to other treatments.
An investigation was carried out to study the effect of Vrkshayurvedic farming on bhendi (Abelmoschus esculentus) cv. Arka Anamika at Agricultural College and Research Institute, Madurai during 2007. This experiment was carried out to study the effect of green leaf manures and soaking of seeds along with foliar sprays of green leaf extracts on physiological parameters, uptake of nutrients and incidence of pest and diseases. The experiment was laid out in split plot design with twenty treatments (four green leaf manures i.e., Albizia lebbeck, Delonix regia, Gliricidia sepium and Leucaena leucocephala) incorporation @ 10t ha-1 in main plots and five different green leaf extracts i.e. Alangium salvifolium, Annona squamosa, Aegle marmelos, Morinda tinctoria and Ocimum sanctum) @ 5 per cent in the form of seed soaking and two foliar sprays at 25 and 45 days after sowing in sub plots) and two controls in three replications. Among the treatment combinations, Albizia lebbeck + Annona squamosa recorded the best performance for physiological parameters viz., dry matter production, crop growth rate and relative growth rate and highest uptake of N, P and K. The least incidence of pest and diseases also recorded in Albizia lebbeck with Annona squamosa.
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