论文部分内容阅读
烤烟杂种一代(以不简称杂种F1)的研究利用,历史上早已尝试过,并在一定程度上取得成功。我国50年代在生产上曾一度推广过人工去雄的烤烟杂种F1。80年代,我国烤烟生产目标由六七十年代以高产为主,转为主攻质量,由于优质品种匮乏,严重制约着烤烟生产的发展。鉴于生产上的
The research and utilization of the flue-cured tobacco hybrid generation (referred to as hybrid F1 for short) has historically been tried and achieved to some degree of success. Fifties, China's fifties in the production once promoted artificial toxified flue-cured tobacco hybrid F1.80s, the goal of China's flue-cured tobacco production in the sixties and seventies to high-yield-based, to the main quality, due to lack of quality varieties, seriously restricting the production of flue-cured tobacco development of. Given the production