內生菌根菌對柑橘生長之效應
Other Title
Growth Promotion of Citrus Inoculated With Vesicular-arbuscular Mycorrhizal Fungi
Journal
台灣柑橘之研究與發展研討會專刊
Part Of
農業試驗所特刊第51號
Pages
153-166
ISBN
957-00-5491-3
Date Issued
1995-06
Author(s)
程永雄
莊明富
許淑麗
Y H. Cheng
M.F. Chuang
S.L. Hsu
Abstract
自本省八處柑橘園採樣調查內生菌根菌存在情形，顯示所有根系樣品均有不同程度菌根化存在，根域土壤一般以離地表0-15公分感染程度較高，厚膜抱子數亦較多。比較五種菌株Glomus aggregatum·G. geosporum、G. etunicotum、G. fosciculatum及G. mosseoe對酸橘生長之促進效果，顯示效果以G. aggregotum最好，但是感染程度與促進生長之間並無正相關。以G. aggregotum接種於八種柑橘品種，比較內生菌根菌對促進不同柑橘品種之生長是否有差異，結果顯示所有品種均可形成菌根，但生長差距以粗皮檸檬之25.7公分最大，其次為根橙（TC)，而根柚（SPB 4475）生長差距最小為11.5公分。在有機質添加試驗中，初步顯示內生菌根菌與有機質同時使用，對促進植株生長之效果並無相加作用。不同土壤質地對內生菌根菌之影響，與土壤肥份高低有關，在高肥份土壤，菌根形成率較低，因此柑橘接種或不接種內生菌根菌處理間，植株高度並無差異。
Soil samples from 8 citrus orchard in Taiwan were collected to investigate the mycorrhizal ratio of citrus in native, results indicated that all root samples formed mycorrhiza in ratio, and high mycorrhizal formation and chlamydospores commonly presenced in the depths of 0-15 cm rhizospheral soil from soil level. Comparison of growth promotion of sunki seedlings inoculated with five VAM fungi, Glomus aggegatum, G. geosporurn, C. etunicaturn, G. fasciculatum and G. mosseae, seedlings inoculated with G. aggegaturn grew better than those inoculated with other four VAM fungi, but mycorrhizal colonization was not correlated with growth response of sunki. Difference of growth response of eight varieties of citrus rootstock inoculated with G. aggregatum was tested in greenhouse, results indicated that roots of all varieties of citrus rootstock were colonized by G. aggegaturn, but the plant height of inoculated rough lemon seedlings compared to non-inoculated ones increased 25.7cm, followed by 23.8cm of Troyer citrange (TC), the plant height of inoculated citrumelo (SPB 4475) seedlings compared to non-inoculated ones increased only 11.5cm was the lowest. Effects of soil texture on mycorrhizal formation of sunki seedlings were tested, mycorrhizal formation of sunki seedlings planted in sandy soil was the highest, followed by those planted in sandy loam, those planted in loam was the lowest, soil fertility level might be the causal factor, thereby the plant height between inoculated and non- inoculated sunki seedlings planted in loam were not different.
Event(s)
台灣柑橘之研究與發展研討會
Research and Development of Citrus in Taiwan
Subjects
內生菌根菌
柑橘
vesicular-arbuscular mycorrhizal fungi
citrus
Publisher
農業試驗所
Type
conference paper
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51-16.pdf
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