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Effects of Plant-growth Retardants S3307 and B9 on Dwarfing and Blooming of Narcissus Plants
Author(s): KOU Feng-xian, FAN Xin-hua, QI Qiao-li, ZHANG Hui-yong, LI Hong, SUN Zhen-wei
Pages: 70-
73
Year: 2004
Issue:
3
Journal: JOURNAL OF HEBEI AGRICULTURAL SCIENCES
Keyword: 植物生长调节剂; 水仙; 生长发育;
Abstract: S3307、B9都能抑制水仙的营养生长,使株高矮化,叶片挺拔,防止倒伏;使初花期延迟,花期延长,花朵直径增大,明显提高水仙的观赏价值.50~400 mg/L的S3307能使营养生长期植株矮化32%~48%,叶片干重增加1%~5%,叶片增厚0~3%,叶绿素含量提高6%~28%;初花期延迟1~7 d,花期延长3~9 d,花朵直径增大0.03~0.45 cm.500~4 000 mg/L的B9能使植株矮化3%~23%,叶绿素含量提高6%以内,初花期延迟3~14 d,花期延长2~5 d,对叶片干重、叶片厚度及花朵直径影响不大.2种药剂均能使主茎花序花朵数量增加0.8朵.以200 mg/L的S3307对水仙矮化和开花的效果最好.
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