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1 技术要点1.1 番茄的开花、授粉、受精,受气温的影响很大,当夜温在15℃以上时做杂交制种才可以保证坐果率和结籽率。常年在5月5日～8日开始制种,近年气候偏暖,如植株生长状况允许,可适当提早3～5天。1.2 父母本花期相遇是番茄杂交制种的关键,措施有:①适时播种定植 根据父
1 Technical Points 1.1 Tomato blossom, pollination, fertilization, a great influence by the temperature, when the night temperature at 15 ℃ or more when the hybrid seed can ensure fruit set and seed setting rate. Perennial in the May 5 to 8 seed, in recent years the climate is warm, such as plant growth allows, may be appropriate to advance 3 to 5 days. 1.2 The parents of the flowering meeting is the key to tomato hybrid seed production, measures are: ① timely sow planting based on the parent