Use of resistant soybean cultivars is an excellent method of controlling various insect pests and diseases. A resistant plant has built-in protection which lasts throughout the growing season . Cultivars having resistance to only one pest may still need chemical control measures for protection from other pests .
Joshi, J. M.
"Research Notes: Screening soybean germplasm for multiple pest resistance,"
Soybean Genetics Newsletter: Vol. 4
, Article 21.
Available at: http://lib.dr.iastate.edu/soybeangenetics/vol4/iss1/21