THE IMPACT OF VARYING BULB SIZES, PLANT SPACING AND PLANTING DATES ON THE YIELD AND QUALITY OF ONION SEEDS VAR. TAHERPURI

Background and objective: Onion is a spice crops, which are particularly important because it uses in daily life. The crop is also appreciated as condiments for flavoring foods. It can be used as a stimulant, promotes the flow of urine, uses against tuberculosis, venereal disease, typhoid fever, chest and lungs problem and it contains vitamin B and trace of vitamin C and traces of iron and calcium. The objective to study to improve the yield and quality of onion seeds (var. Taherpuri) through management practices.

Methodology:The experiment was designed using the Randomized Complete Block Design (RCBD) with three replications and included three parameters. The unit plot was randomly assigned to the experiment treatments. In trial, the unit plot size was the same (2 m 1 m). Plots were separated by 0.5 meters and blocks by 1 meter.