共查询到19条相似文献,搜索用时 46 毫秒
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对深山含笑苗圃嫁接时期、嫁接方法进行了研究。结果表明 :在用白玉兰作砧木嫁接深山含笑时 ,在各个时期进行嵌芽接的嫁接成活率均很低 ;枝接以 3月中下旬最理想。其中 :带顶芽切接成活率在 95 8% ,其次是不带顶芽包头切接 ,成活率达 85 0 % ,都显著高于或极显著高于同期进行的不带顶芽不包头切接 相似文献
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广东含笑的引种繁育与园林应用研究 总被引:2,自引:0,他引:2
广东含笑(Michelia guangdongensis)是原产我国广东的木兰科植物.其树形美观,叶片色泽独特,花美丽芳香,具有较高的观赏价值,是值得推广应用的庭园绿化优良乡土树种.文章就其形态特征、分布和生态、引种、嫁接繁殖与栽培管理进行论述,并探讨其在园林应用中的意义.繁殖试验表明,采用多年连续嫁接是对其引种驯化的... 相似文献
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Dalbergia odorifera T. Chen is one of the two most precious tree species naturally distributed in China. The grafting techniques of D. odorifera were studied through comparing grafting methods, grafting seasons, rootstock grades as well as scion buds. The results showed that both "scarf joint grafting" and traditional cleft grafting were feasible for stem grafting. The two-bud "scarf joint grafting" got the best survival rate, while the cleft grafting was easy to operate. The best grafting seasons varied in the light of climate. In the warm southwest of Hainan island, the best grafting season was winter when the survival rate could achieve as high as 99.1%. While in Guangzhou, the best grafting season was the end of fall, and the corresponding survival rate was 94.6%. The quality of rootstock as well as scion bud affected the growth of scion bud directly. The growth of grade I buds/grade I rootstocks were 17 times that of grade III buds/grade III rootstocks. The study was beneficial for the preservation of high quality germplasm resources as well as for clone grafting of D. odorifera. 相似文献
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文章基于多年试验和调查结果,研究了板栗砧木粗度对嫁接成活率、生长量、冠幅以及产量的影响。试验结果表明,砧木在2.5~4.2cm粗度时嫁接成活率和伤口愈合率最高,砧木腐烂率最低。该技术对指导板栗嫁接,选择合适的砧木粗度,提高嫁接成活率和稳定板栗单株产量有重要意义。 相似文献
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为提高马尾松种子园嫁接成活率和建园质量,在苗圃地培育马尾松砧木并在苗圃地采用套袋嫁接技术嫁接接穗,成活后,将接株移栽到马尾松种子园定植。笔者主要从砧木的培育、穗条的采集、套袋嫁接方式及嫁接苗处理等方面阐述马尾松苗圃地套袋嫁接技术。 相似文献
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针对昭阳区历年来低劣核桃高枝嫁接成活率低的难题,在2012年进行了春季枝接与夏季芽接的对照试验。结果表明,枝接中,采用常规方法嫁接,成活率为52.7%,而采用蓄热保湿法嫁接,成活率则高达89.3%;在方块形芽接中,疤芽的位置不同,则成活率大不相同,枝条的年龄越大,则成活率越低。 相似文献
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