miaomuzhongzideshoumingshizhimiaomuzhongzibaochishengminglideshijian。yingxiangmiaomuzhongzishoumingdeyinsuyouhenduo，zongdelaishuokeyifenweineizaiyinsuhewaizaiyinsu。xiamianfenbieweinijieshao：
影响苗木种子寿命的内在因素：
1、miaomuzhongzineihanwuzhidexingzhi。shumumiaomuzhongzineibubuyiyang，suohanwuzhidexingzhiyegebuxiangtong，qishoumingyegeyouchayi。tongchangfuhanzhifang、danbaizhidemiaomuzhongzishoumingzhang，erfuhandianfendemiaomuzhongzishoumingduan。
2、zhongpigouzaodeyingxiang。miaomuzhongziyongyouzhangshoumingyaojubeiyixiajigetezheng，zhongpigouzaozhimi、jianyinghuojuyoulazhi，buyitoushui、touqi。
3、miaomuzhongzihanshuiliang。miaomuzhongzizaizhuzangqijianhanshuidundeduoshao，huiduihuxizuoyongchanshengzhijiedeyingxiang，zaiyidingchengdushangtongyanghuigaibianmiaomuzhongzibiaomianweishengwudehuodong，congershimiaomuzhongzishoumingsuoduan。suoyizhuzangdemiaomuzhongziyidingyaobaochiheshidehanshuiliang。
4、miaomuzhongzidechengshuduhejixiesunshang。jishishitongyimiaomudemiaomuzhongzi，yinweimiaomuzhongzidechengshudubutongshoumingyegebuyiyang。chengshubingbuchongfendemiaomuzhongzi，zhongpibuzhimi，miaomuzhongziyoujiaogaodehanshuizui，huxizuoyongwangsheng，henrongyibeiweishengwuganran，congerdaozhimiaomuzhongzisangshishengmingli。
影响苗木种子寿命的外在因素：
1、温度。贮藏期内，温度过高或过低都会非常严重的伤害到苗木种子。如在一定温度范围内温度升髙，苗木种子呼吸强度也随之而增加，使贮藏物质的消耗加快，从而使苗木种子的寿命缩短。通常5-20℃为贮藏苗木种子的适宜温度，低温贮藏的温度为0-5°C。
2、空气相对湿度。苗木种子具有的吸湿性能非常显著，所以苗木种子含水量能由空气相对湿度的高低改变。在贮藏期间以相对湿度较低比较合适，如果能控制25%-50%,这样对多数树木苗木种子的贮藏都较为有利。
3、tongqitiaojian。tongqizaiyujiaqiangmiaomuzhongziduineideqitijiaohuan。tongqiduimiaomuzhongzishoumingdeyingxiangyumiaomuzhongzidehanshuilianghewenduyouguan。duihanshuijingjiaogaodemiaomuzhongzijinxingzhuzang，yaojiyishiliangdetongqi，quebaogongjimiaomuzhongzibixudeyangqi。
4、shengwuyinzi。zaizhuzangqijian，huizhijieweihaimiaomuzhongzideyinsu，ruweishengwu、kunchong、shuleidengshengwuyinzi。gaowen、duoshijitongqibuliangshiweishengwufazhandeyoulitiaojian。zhuzangqijian，kongzhiweishengwuhuodongdezhongyaoshouduanjiushijiangdimiaomuzhongzidehanshuiliang。
