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Tri Dewi Andalasari

Fakultas Pertanian Universitas Lampung

Author-ID : 3237309

Agriculture, Biological Sciences & Forestry

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Respon Pertumbuhan Anggrek Dendrobium Terhadap Jenis Media Tanam Dan Pupuk Daun Tri Dewi Andalasari; Yafisham Yafisham; Nuraini Nuraini
Jurnal Penelitian Pertanian Terapan Vol 14 No 1 (2014)
Publisher : Politeknik Negeri Lampung.

The use of ferns as growing media orchids ranging deemed expensive , so it is necessary to find an alternative media as a media surrogate fern that has been used .This study aimed to explore alternative growing media and fertilizers are good for growth and development of dendrobium orchids . Selection of a good planting medium and the proper use of fertilizers can be expected to support healthy plant growth and quality of orchids .Greenhouse experiments were conducted at the Faculty of Agriculture University of Lampung . Treatment arrangement was factorial by randomized complete block design with three replication. The treatment is done byp factorial ( 6x2 ) . The first factor is the type of growing medium consists of wood charcoal ( M1 ) , ferns ( M2 ) , husk + sawdust ( M3 ) , acacia bark ( M4 ) , cocochip ( M5 ) and coconut bark ( M6 ) . The second factor is the type of foliar fertilizer consists of Gandasil ( P1 ) and Hyponex ( P2 ) . Data were analyzed by analysis of variance followed by HSD test at 5% level .The results showed that the use of media orchids ferns produce good vegetative growth , not unlike the use of planting medium charcoal , charcoal husk + sawdust , bark and bark acacia tree oil , but it is different than the use of cocochip shown in variable plant height , number of leaves , leaf length and leaf width . While foliar fertilizers that produce good growth is fertilizer Gandasil . Key word: dendrobium , growing media , foliar fertilizers

Respon Pertumbuhan Anggrek Dendrobium Terhadap Jenis Media Tanam dan Pupuk Daun Tri Dewi Andalasari; Yafisham Yafisham; Nuraini Nuraini
Jurnal Penelitian Pertanian Terapan Vol 14 No 3 (2014)
Publisher : Politeknik Negeri Lampung.

The use of ferns as orchid growing media feel expensive, so it is necessary to find an alternative media as a media surrogate fern that has been used. This study aimed to explore alternative growing media and fertilizer is good for growth and development of dendrobium orchids. Selection of a good planting medium and the proper use of fertilizers can be expected to support healthy plant growth and quality of orchids. experiments were conducted at Greenhouse Faculty of Agriculture Lampung University. The experiment was conducted using a randomized design perfectly with the treatment group factorial (6x2). The first factor is the type of growing medium consists of wood charcoal (M1), fern (M2), husk + sawdust (M3), acacia bark (M4), cocochip (M5) and coconut bark (M6). The second factor is the type of foliar fertilizer consists of Gandasil (P1) and Hyponex (P2). Data were analyzed by analysis of variance followed by HSD test at 5% level. The results showed that the use of media orchids ferns produce good vegetative growth, no different to use of planting medium charcoal, charcoal husk + sawdust, bark and bark acacia tree coconut, but it is different than the use of cocochip shown in variable plant height, number of leaves , leaf length and leaf width. While fertilizers orchid leaves that produce good growth is fertilizer of Gandasil

Usaha Perbanyakan Subang Gladiol (Gladiolus hibridus L) dengan Menggunakan Benziladenin (BA) Tri Dewi Andalasari
Jurnal Penelitian Pertanian Terapan Vol 11 No 1 (2011)
Publisher : Politeknik Negeri Lampung.

Gladiolus propagation effort has been experiencing problems because of active buds on gladiolus corms in normal conditions is generally. Shoots will grow and then will produce tubers. So for rapid multiplication of gladiolus necessary effort to stimulate active shoots found on gladiolus corms. The use of benzyl adenine was effective enough to stimulate the emergence of shoots on gladiolus corms. Earring size seedlings generally will affect the size of the new corms. In general, if the new corms are formed more than one will affect the size of the next Earring. Fertilization-rise is expected to enlarge the size of the corm so that it can directly be used as a corm production. This study aims to find methods of rapid propagation of gladiolus corms by: (1) the effect of initial corm size on the number and size of the new corm, (2) the effect of fertilization dose on the growth of earrings, and (3) the effect of fertilization at each dose respective initial corm size. This study is a continuation of previous studies that aimed to obtain an effective concentration of BA to stimulate the growth of shoots contained in gladiolus corms. This research used the BA 30 ppm (the results of previous studies) is applied to the gladiolus cultivars Kaifa. The treatment applied to the three sizes of 3.8 to 4.8 cm diameter Earring (U1), 2.5 to 3.7 cm (U2), 1.2 to 3.0 cm (U3). The results showed that administration with a concentration of 30 ppm BA, able to grow all of gladiolus corms which were attempted (100% sprout more than one bud), and capable of increasing the number of active buds and number of shoots by 4.6 by 6.4. Keywords: Gladiolus hibridus L, Benziladenin

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