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菌根化技术在广西马尾松育苗中的应用
韦天忠; 赵志鹏; 郭秀珍;   
1.广西宜山县林业局;2.中国林业科学研究院林业研究所;3.中国林业科学研究院林业研究所 宜山 546300
摘要:
通过对马尾松苗木的菌根土接种及苗圃地选择的试验,可知培育马尾松菌根化苗木,应选择土壤中菌根菌含量丰富的马尾松疏残林地、近年采伐迹地、林中空地、林缘下方,以及前茬是马尾松或湿地松的老苗圃地作为马尾松苗圃地。在这些地类上,结合施以足量腐熟有机肥做基肥,培育的马尾松苗木菌根感染率一般都在85%以上,苗木质量好。上述地类外的新垦苗圃地,应在生长健壮,无病原菌,而且最好是生长有马勃子实体的马尾松林下,挖取0—20厘米表土层进行菌根土接种,培育的松苗也可获得较高的菌根感染率。历史上未种过松类、栎类,附近又无松林的荒山荒地,用作马尾松苗圃地,苗木的菌根感染率极低,质量差。
关键词:  马尾松  育苗  菌根化  
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