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蔬菜良种引种方向蔬菜良种的引进和利用应针对生产和市场中的实际进行，这些问题主要有：１．蔬菜生产抗灾害能力薄弱，在不良气候条件如醋暑、干旱、长期阴雨、严寒等情况下，蔬菜生产严重受损，市场供应不足，价格高，品种稀少，尤其是我国南方夏秋季节，由于高温、干旱...
The introduction of vegetable seed introduction and utilization of varieties of vegetables should be directed at the actual production and the market, these issues are: 1. Vegetable production is weak against disasters. Vegetables are severely damaged in adverse climatic conditions such as vinegar heat, drought, prolonged overcast and severe cold, the market is in short supply, the price is high and the varieties are scarce. Especially in summer and autumn in southern China, ,drought...