| By conventional breeding and rapid propagation technology of biological cloning, a new Phalaenopsis variety ofyellow flower type Dtps. Nongke Golden Heart with big flower, bright color, strong resistance and good adaptability was bred for 7 years. For the Phalaenopsis variety, plant was neat; flowers arranged in neat symmetry, full-grown and round; average flowerdiameter was 9.5 cm; lateral petals was pure yellow and variegated free; lower sepal was dark red; more than 80% plants had 8-12 single stem flower number, with an average of 9.2. Dtps. Nongke Golden Heart had more strong disease resistance, heat resistance, and cold resistance than the control variety. By comparison experiment of planting in multi places and multi batches in Guangdong Province, the comprehensive traits of Dtps. Nongke Golden Heart had genetic stability. |
