When in 2-3,5-6 leaves stage, treated with 1000ppm GA3 to generating female flower, the line B was crossed with line A to produce F1 combination, and new elite F1 hybrid for processing was obtained.
SA of three concentrations all could delay fruit softening process, and the most significant effect was observed for SA of 0.05mmol/L, while 5mmol/L had the least significant effect.
In the process of tetraploid multiplication, MS basal medium supplemented with BA 2.0mg/L and NAA0.2-0.3mg/L gave the best result in all of the varieties, forthermore, BA was more important than NAA.
To study the brio of pollen, the change of embryo, and the process of development on seedless Red globe, and to compare with the effect of inducement at different days, by different ways, and different concentration of various medicament.
Ndff% in the treated branches was significantly decreased during dormant season. And a decrease of 59.13% was observed in the new growth branch treated and 69.05% in the perennial branches.
Changes of H2O2 content,activities of antioxidant enzymes and the respiration rate of flower buds treated with CaCN2 were similar to those treated with SA in early dormancy and deep dormancy stage.