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经对引进荷兰郁金香13个品种的园艺学性状和不同生态区鳞茎生长、繁殖的测定,筛选出2个稳定品种和4个尚稳定品种,研制了延长和提前郁金香生育期的措施、栽培技术要点、鳞茎采挖时间和贮藏条件,指出所筛选的稳定品种在天津（华北地区）中度盐碱地上能正常生长发育;郁金香秋播后。当地温降至5℃时覆盖地膜,可延长生根时间3～5d,根量可增加35%,翌春可提早发芽和开花时间7～10d,从而保证花后新鳞茎有50d左右的生育期;控制鳞茎贮藏期的温、湿条件是华北地区繁殖郁金香,防止盲花和退化的关键措施。
After introducing the horticultural traits of 13 varieties of tulip in Holland and the bulb growth and reproduction in different ecoregions, two stable varieties and four stable varieties were screened, and the measures to prolong and advance the growth period of tulip were developed. The main points of cultivation techniques , Bulb excavation time and storage conditions, pointed out that the selected stable varieties in Tianjin (North China) moderate salinity on the normal growth and development; tulips after sowing. When the local temperature dropped to 5 ℃, the plastic film was covered, the rooting time could be prolonged by 3 ~ 5 days, the amount of root increased by 35%, the next spring could germinate and flowering time was 7 ~ 10 days, The control of the bulb during the warm and humid conditions is the breeding of tulips in North China, to prevent blind flowers and degradation of the key measures.