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当前位置: 首页 > 文章 > 火烧、施氮肥对结缕草种子产量和质量的影响 草地学报 2007,15 (2) 113-117
Position: Home > Articles > Effects of Burning and Nitrogen Application on Seed Production and Seed Quality of Zoysia grass Acta Agrestia Sinica 2007,15 (2) 113-117

火烧、施氮肥对结缕草种子产量和质量的影响

作  者：
马春晖;韩建国;孙洁峰;张泉
单  位：
中国农业大学草地研究所;塔里木大学动物科技学院/新疆兵团塔里木畜牧科技重点实验室;青岛海源草坪有限公司
关键词：
结缕草;种子生产;火烧;施肥;种子质量
摘  要：
在山东胶州对结缕草(Zoysia japonica)进行火烧和施氮肥试验。结果表明:火烧后结缕草提前1周返青,生殖枝数和抽穗率分别为2621/m2和28.26%,而对照为1178/m2和23.46%,二者差异极显著(P<0.01);火烧+施氮肥(秋季20 N/hm2+春季10 kg N/hm2)生殖枝数和抽穗率显著高于火烧、不施肥;火烧极显著提高了种子数/生殖枝、结实率和种子产量(P<0.01),极显著降低了种子空瘪率(P<0.01),其中火烧+施氮肥效果最好;火烧使结缕草种子发芽势(发芽率)、发芽指数和活力指数均有极显著提高(P<0.01)。
译  名：
Effects of Burning and Nitrogen Application on Seed Production and Seed Quality of Zoysia grass
作  者：
MA Chun-hui1,HAN Jian-guo2,SUN Jie-feng3,ZHANG Quan3 (1.College of Animal Science and Technology,Tarim University/Key Laboratory of Tarim Animal Science and Technology,Xinjiang Reclamation Troops,Alar,Xinjiang Uygur Autonomous Region 843300,China;2.Institute of Grassland Science,China Agriculture University,Beijing 100094,China;3.Qingdao Haiyuan Turfgrass Co.Ltd.Jiaozhou,Shandong Province 266300,China)
关键词：
Zoysia grass;Seed production;Burning;Fertilization;Seed quality
摘  要：
The experiments of burning and nitrogen applying in the seed field of Zoysia grass(Zoysia japonica Steud.) were conducted at Jiaozhou of Shandong Province.The results show that the burnt Zoysia grass recovered in Spring a week earlier than the normal time Zoysia grass turning green.Moreover,the burnt Zoysia grass fertile tillers increased to reach 2621 fertile tillers/m2,with a heading percentage of 28.26%, compared to the not burnt Zoysia grass' 1178 fertile tillers/m2 and heading percentage of 23.46%.The difference between burning and no burning treatment was significant(P<0.01).The number of fertile tillers and heading percentage of Zoysia grass with burning treatment plus N-application(Autumn 20 N/hm2+next Spring 10 N/hm2) increased much more than those of zoysia grass with only burning treatment which though boosted the number of seeds/fertile tiller,setting percentage,and seed production and reduced the percentage of shriveled seed(P<0.01).The treatment of burning plus N-application(Autumn 20 N/hm2 + next Spring 10 N/hm2)was the best.The germination rate(standard germination),germination index, and vigor index of Zoysia grass seeds harvested in burnt field rose significantly(P<0.01).

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