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Growth and physiological responses of Citrus spp. colonized by vascular-arbuscular mycorrhizal fungi
vesicular-arbuscular mycorrhizal fungi
|摘要:||為瞭解囊叢枝內生菌根菌接種對植物幼苗生長發育的影響，首先以檸檬為材料，接種菌根菌Glomus intraradices (簡稱為LITR)，五個月後調查植株地上部重、根重、乾重、葉面積等生物量均較對照組高，而且有顯著差異，另分析根、葉蛋白質含量和葉片rubisco酵素活性，則酵素活性有顯著的增加。
The aim of this study is to observe the colonization effect of vesicular-arbuscular mycorrhizal fungi(VAMF) on the growth of Citrus lemon seedlings. The first treatment, the lemon seedlings were inoculated by LITR. After five months, the shoot weight, root weight, dried weight, and leaf area of the inoculation treatment was significantly higher than control. The root and leaf protein contents as well as the activities of rubisco increased significantly. A further experiment was implemented by inoculating the Citrus limonia seedlings with Glomus intraradices (LITR) and Glomus mosseae (LMOS). After four months, both treatments showed significantly increase in plant height, numbers of leaves, leaf area, root weight, fresh and dried weight. The photosynthetic rate and leaf and root protein contents also increased while rubisco activities were more active. As to pigment, soluble sugar, starch, and phosphate contents, both inoculation tests seemed positive to their accumulation. Conclusively, the VA mycorrhizal inoculation of the C. limonia seedlings significantly promoted the growth of shoot and root. It not only shortened the development period of the rootstock, but also ensured the later growth of Citrus plants after grafting.
|Appears in Collections:||生命科學系所|
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