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１材料与方法本试验在新疆农业大学园艺系试验地进行，土壤肥力一般。供试加工番茄品种为新疆的主栽品种里格尔８７－５。先将种子进行温汤浸种，然后进行变温处理。Ａ处理为每天８ｈ高温（１８～２０℃），Ｂ处理为每天１６ｈ高温（１８～２０℃）、８ｈ低温（－１～－２℃）
1 Materials and Methods The experiment was carried out in the Department of Horticulture, Xinjiang Agricultural University, soil fertility in general. The trial processing tomato varieties of Xinjiang’s main varieties of Ringer 87-5. The seeds are soaked in warm soup, then the temperature change treatment. A treatment for each day 8h high temperature (18 ~ 20 ℃), B treatment daily 16h high temperature (18 ~ 20 ℃), 8h low temperature (-1 ~ -2 ℃)