Concentration of GA1, GA8, GA19, GA20, and GA29 in unpollinated ovaries of non-parthenocarpic (MA/wt and CU/wt) and parthenocarpic (MA/pat-2 and CU/pat-2) near-isogenic lines of tomato at three developmental stages. FB, Flower bud; PR, preanthesis; AN, anthesis. White bars, wt; shaded bars, pat-2.