Abstract
Farmers in the Samiran village use chemical pesticides to store their shallots. The purpose of this study was to examine the storage of shallot seeds from the off-season crops using biological pesticides. The research was conducted in March 2018 in the Ngudi Makmur farmer group. The research materials used were red onion varieties and biological pesticide of neem. The experimental design used was a completely randomized design with 3 factors with 2 replications. The factors were the type of biological pesticide (liquid and powder), storage treatment (hanging and in the basket), and the shallot varieties (Bimo, Crok Kuning, and Tajuk). The parameters observed were weight loss, damage level, growth capacity, and chemical composition. The results showed that the lowest weight loss was the storage of shallot off-season in the bucket with liquid pesticides on the Crok Kuning variety, while the high growth power test results were hanging. The treatment of biological pesticides can reduce the percentage of onion weight loss, while the use of powdered neem leaves can affect the weight loss, but it is not too high compared to the control. Hanging storage is better than basket storage because yield loss due to weight loss in basket is higher.
Highlights
Shallot is one of the national strategic agricultural commodities [1]
It is necessary to introduce the use of biological pesticides which can extend the shelf life but do not cause health effects
The lowest weight loss was the storage of shallot off-season in the baskets with liquid pesticides on the Crok Kuning variety, while the high growth power test results were hanging
Summary
Shallot is one of the national strategic agricultural commodities [1]. The dose and type of fertilizer greatly affect plant fertility and tuber productivity [2]. The use of nitrogen fertilizers ranging from 50-100kg/ha can improve the quality of tubers and extend the shelf life of tubers [3]. Shallot production currently only reached 93.2% of the target (1,498,659 tons from the target of 1,608,766 tons). Shallots have a high strategic value because the price tends to fluctuate with different movement patterns between prices at the producer, parent market, and consumer levels. Prices at the producer level tend to be more volatile than prices in the home and consumer markets [4]. The price of shallots is closely related to the quality aspect.
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