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Effects of Root-cutting on Growth of Lycoris longituba(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年22期
Page:
92-95
Research Field:
Publishing date:

Info

Title:
Effects of Root-cutting on Growth of Lycoris longituba
Author(s):
BAO Chun-song; ZHANG Peng-chong; ZHOU Hong; JIANG Yan
Hangzhou Botanical Garden,Hangzhou,Zhejiang 310013
Keywords:
Lycoris longituba; transplantation; season; root-cutting; biomass; net photosynthetic rate
PACS:
S 682. 29
DOI:
-
Abstract:
Taking Lycoris longituba as test material,the influence of root-cutting season and remaining or removing roots on the number of root,and leaf in the stage,leaf length and leaf growth in full leaf stage,net photosynthetic rate (Pn) were studied,the influence of root-cutting season and methed on growth of Lycoris longttuba were discussed.The results showed that there was no or little root in next month after cutting roots from Oct.to Apr.next year,but roots growing better in cutting from May to Sep..Leaf growth was greatly effected by cutting time,especially on leaf length and Pn in the following season.Leaf biomass was reduced by 2/3~4/5,compared to contrast and Pn by 9/10.In the second growth season after transplanting from Oct.to Apr.,leaf number was also reduced but leaf length and Pn were recovered.There was no significant difference in leaf growth within planting methods of remaining or removing roots,however,if the bulb had to be suspended over 3 days to re-plant after digging out,cutting roots was suggested.

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Last Update: 2014-08-06