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卫星搭载对新麦草二代种子活力的影响

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不同含水量的新麦草种子经卫星搭载,返回后对其二代种子进行室内分析.结果发现,卫星搭载对新麦草二代种子发芽能力、种苗生长、种子浸出液电导率有显著影响,具体变化因品种而异.种子含水量对卫星搭载效应有重要影响,当含水量为10%~12%,卫星搭载效应减弱;当含水量偏离这一范围时,卫星搭载效应增强.
Effects of seed moisture content on Psathyrostachys juncea second generation seed vigor by spaceflight treatment
Psathyrostachys juncea second generation seed vigor was analyzed, which was treated by carrying into recoverable satellite in 2003. The results show that Space flight has great effect on seed germinate rate and germinate energy,seedling growth,weight seedling and so on. Seed changes varied with different cultivar. Seed moisture content has great effect on seeds carried into space. The effect of space flight on seed is weakened when the seed moisture content approaching 10%~ 12%, reversely the effect is strengthened.

space flightseed moisture contentPsathyrostachys junceaseed vigor

任卫波、韩建国、张蕴薇、郭慧琴、曹哲、王致平

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中国农业大学,草地研究所,北京,100094

内蒙古农业大学,生物工程学院,内蒙古,呼和浩特,010018

北京飞鹰绿色食品有限公司

卫星搭载 种子含水量 新麦草 种子活力

国家自然科学基金

30400309

2007

草原与草坪
中国草学会 甘肃农业大学

草原与草坪

影响因子:0.686
ISSN:1009-5500
年,卷(期):2007.(1)
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