Abstract
Superior cultivars have to be identified through multienvironment trials (MET) and chemicals factors in different levels on basis of multiple traits. The study revealed effect of different levels of boron, the chemicals factor, on six peanut cultivars using GGE biplot and GT biplot. GGE biplot analysis of peanut yield explaned 99% and 99.6% of over all variance, for each season, respectively B300 was the highest one. G4 was more variant than others with increase of levels. While G1 , G2 and G3 had slowly variance meant that were more stable.GT biplot illustrated 86.1% and 85.3% of over all variance, for each season, respectively. It graphically displayed the interrelationships among (Y1 and Y6) and ( Y3 , and Y7) and among other traits facilitated visual cultivar comparison and selection for certain environments and chemical growth factors.
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