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本研究对番茄成熟突变体rin、nor、alc材料与正常成熟番茄品种及其杂种一代果实,在绿熟期采收后果实的呼吸强度、乙烯释放量及多聚半乳糖醛酸酶(PG)活性进行了测定和分析。结果表明:具rin、nor、alc基因的番茄果实无呼吸和乙烯跃变期,其硬度降低慢,果实中PG活性较低,它们的贮藏指数是正常成熟番茄的3倍,一般可贮藏2～3个月,其与正常番茄亲本品种交配的F_1杂种果实(rin/+,nor/+,alc/+)均有一小的呼吸、乙烯高峰出现,但跃变期比正常番茄推迟5～7天,达跃变期时,果实释放的CO_2和乙烯量是正常番茄的40％～6％,PG活性和硬度变化介于双亲之间,果色与正常成熟番茄相近,果实的耐贮藏性较正常番茄有所提高。
In this study, the respiration rate, the ethylene release and the content of polygalacturonase (PG) in fruits of mature tomato rom, nor, alc, normal mature tomato and their hybrids were measured. Activity was measured and analyzed. The results showed that the tomato fruit with rin, nor, alc gene had no respiration and ethylene transition, the hardness decreased slowly, PG activity in fruit was lower, their storage index was 3 times that of normal mature tomato, At 3 months, the F1 hybrids (rin / +, nor / +, alc / +) with normal parents had a small respiration and ethylene peak, but the transition period was delayed by 5 ~ 7 days than the normal tomato , The amount of CO 2 and ethylene released by fruit reached 40% -6% of that of normal tomato at the transitional stage, the activity and hardness of PG varied between parents, the fruit color was similar to that of normal mature tomato, and the storage resistance of fruit was normal Tomato has improved.