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一、种植方式和播期一年一季油葵制种，由于生育期较短，可适当推迟播期。一般母本可在 6月 10日播种，母本播后隔 2天开始播第一期父本，第一期父本播后隔 2天再播第二期父本。父母本行比为 2∶ 6。 二、栽培技术要点 l、精细播种，足墒播种播前普浇 1次底墒水，因为油葵种?
First, the planting methods and sowing Season oil sunflower seed production, due to a shorter growth period, may be delayed due to sowing. General mother can be planted on June 10, the mother of two days after sowing began broadcasting the first paternity, the first period after the second broadcast of the male parent sowing two days later. Parents than the ratio of 2: 6. Second, the main points of cultivation techniques l, fine sowing, adequate sowing before sowing Pudin 1 at the end of moisture, because the oil sunflower species?