A preliminary study on the germination of Eurycoma Longifolia Jack (Tongkat Ali) seeds
Eurycoma longifolia fruits are borne in large bunches consisting of 200-300 fruits in each bunch. Even though trees produce abundant fruits during the peak fruiting season in September, yet the number of seedlings found growing in the forest floor is very low. Our results indicated that the seeds...
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格式: | Article |
语言: | English |
出版: |
Universiti Putra Malaysia Press
2002
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在线阅读: | http://psasir.upm.edu.my/id/eprint/3378/1/A_Preliminary_Study_on_the_Germination_of_Eurycoma_longifolia_Jack.pdf http://psasir.upm.edu.my/id/eprint/3378/ http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JTAS%20Vol.%2025%20(1)%20Apr.%202002/04%20JTAS%20Vol.25%20(1)%202002%20(Pg%2027-34).pdf |
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总结: | Eurycoma longifolia fruits are borne in large bunches consisting of 200-300 fruits in each bunch. Even though
trees produce abundant fruits during the peak fruiting season in September, yet the number of seedlings found
growing in the forest floor is very low. Our results indicated that the seeds with hard endocarp sown in a 1:1
soil and sand mixture only start to germinate 43 days after sowing and continue to germinate over a period of
99 days. The soil and sand mixture (1:1) is equivalent to that of the forest sandy soil combination that was
optimum for germination of Eurycoma longifolia seeds. The seeds with endocarp intact that are sown in jiffy
germinated within 35-85 days. However, when the endocarp of seeds were removed, the seeds germinated within
two weeks via in vitro culture using basic MS medium. The npe seeds germinated better when sown in the 1:1
soil and sand mixture than in jiffy pellets. But the unnpe seeds with the endocarp removed seemed to germinate
faster (cve = 0.2053) when cultured in vitro in basic MS medium. All the seedlings were found to have the
same growth pattern in terms of seedling height, number of leaves produced, and the stem diameter irrespective
of germination methods over a period of 120 days. |
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