| Peanut variety Khon Kaen 84-7 was selected from a cross between var. China no.1 (female parent) with erect plan type, narrow branching, medium seed size, pink seed color and high pod yield and var. EC36892 (male parent) with resistance to insect pests, large seed size and pink seed color. Hybridization was carried out in 1993, the F1 seeds were grown to produce F2s in 1994, and the F2-F5 progenies were selected during 1995-1996. Preliminary yield trials on selected lines were conducted during 1998-1999 at Khon Kaen Field Crops Research Center (KKFCRC). Yield and adaptability were evaluated via standard yield trial, regional yield trial and farm trial during 2000-2009 at KKFCRC, Kalasin Agricultural Research and Development Center (KARDC), Chinat FCRC,... |
