自然条件下水分和坡向对小甘菊生长发育的影响

小甘菊是一种强阳性耐旱植物,对于干旱缺水的新疆地区而言,是一种十分珍贵的野生资源,在节水之余,还可用于点缀早春的景色。文中针对小甘菊自然环境下的分布进行描述,并分析自然状态下不同坡向对小甘菊生长情况的影响。结果表明,在小甘菊萌芽展叶期,土壤水分状况和坡向对其生物量增加和生长势有显著影响;充足的光照有利于小甘菊的生长发育,南向坡是其最佳的生长方位;适当增加早期土壤含水量和选择光照充足的环境,更加有利于小甘菊的生长发育和增加其观赏性。

Impact of Moisture and Slope Aspect on Growth of Cancrinia discoidea (Ledeb. ) Poljak under Natural Condition

Cancrinia discoidea （Ledeb.） Poljak is an invaluable wild plant resource in arid area of Xinjiang, with its strong positive drought-tolerant property, which can not only increase the aesthetics of early spring but also save water. This paper described the distribution of C. discoidea （Ledeb.） Poljak under natural condition and analyzed the impact of different slope aspects on its growth. The results showed that： soil moisture conditions and slope aspect had significant impact on the biomass increase and growth of C. discoidea （Ledeb.） Poljak during the germination period. Adequate lighting is conducive to its growth, and south slope is the best growth orientation. Appropriately increasing soil moisture and choosing adequate light environment are more conducive to the growth and ornamental value of C. discoidea （Ledeb.） Poljak.