High prices of garlic and onions for ‘root maggot’ and ‘root mite’ are addressed with ‘Kuntan’ and ‘Tiansha’.

Controlling pests such as the onion fly and root mites, which can cause maggot disease or sclerotinia, has become increasingly important before planting garlic and onions. KyungNong recommended "Geunchungtan" and "Ttangsa" which can quickly control these soil pests. The onion fly occurs particularly in soil where garlic and onions are planted in succession. The larvae eat from the roots of garlic and onions, and can also damage the underground bulbs. When the density is high, it can also damage the stems, causing the crops to yellow from the lower leaves and, in severe cases, to wither and die. It occurs three times a year, with the first occurrence in mid-April, early June, and late September to early October in the southern regions, and about a week later in the central regions. It is attracted by the use of immature compost or livestock manure, and its occurrence increases significantly with higher organic matter content. It is important to mix soil insecticides well with the ...