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All Journal Jurnal Ilmiah Media Agrosains
Rr. Mustika Pramudya A.
Politeknik Banjarnegara
Agriculture, Biological Sciences & Forestry

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PENGARUH PEMBERIAN KOMPOS GULMA SIAM TERHADAP INTENSITAS SERANGAN ORGANISME PENGGANGGU TANAMAN CABAI Eko Apriliyanto; Rr. Mustika Pramudya A.
Jurnal Ilmiah Media Agrosains Vol 1 No 1 (2014): Edisi November
Publisher : Unit Penelitian dan Pengabdian Masyarakat (UP2M) Politeknik Banjarnegara

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Abstract

The purpose of the study is to determine the effect of siam weed compost toward the attact intensity of plant pest organism and the effect toward red chili products. The research was conducted in experimental garden of Politechnic Banjarnegara using a Randomized Block Design. The treatment used five types of fertilizers. They were control/ without fertilizer, NPK (urea 400 kg/ha, SP36 200 kg/ha, and KCl 200 kg/ha), chicken manure 40 ton/ha, goat manure 40 ton/ha, cow dung manure 40 ton/ha, and siam weed compost 40 ton/ha. Each treatment was repeated 4 times, so there were 24 experimental units. The result showed major pest that attact chili plant were green leafhopper (Empoasca sp.) and aphids (Aphid sp.) The attact intensity of green leafhopper pest by providing siam weed compost and other fertilizers did not show significantly different, but the chili plant did not show any green leafhopper attact. The attact intensity of aphids by providing siam weed compost and other fertilizers were also not significanly different from the mean intensity of the attact on the siam weed compost treatment wich required 19,08%. The entire treatment can not improve the result both of the chili fresh weigh and the chili dry weight wich are 79,31 g and 14,67 g each in siam weed compost treatment. Plant fresh weigh is 59,95 g at siam weed compost from treatment did not show significantly different from either control plant and the other fertilizer treatment giving siam weed compost, goat manure, and chicken manure can increase plant dry weight wich are 17,59 g, 18,55 g, and 18,55 g.
ANALISIS KARAKTER VEGETATIF DAN SITOLOGI PADA BEBERAPA PLASMA NUTFAH PISANG (MUSA SP.) Okti Hanayanti; Rr. Mustika Pramudya A.
Jurnal Ilmiah Media Agrosains Vol 1 No 1 (2014): Edisi November
Publisher : Unit Penelitian dan Pengabdian Masyarakat (UP2M) Politeknik Banjarnegara

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Abstract

Studies on characters of plants are required to indentification and collect the germ plasm. In the present study four banana germ plasm accessions gebyar, rajanangka, mas kirana and rajalawe were examined. The objective was to charachterize the vegetative character and to reveal the ploidy based cytology character (chromosome numbers and stomata anatomy). Some vegetative character can be specialized as a phenotypic marker of banana. Especially in Gebyar accession where the leaves have a purplish red spots and red veins. Petiole canal leaf and blotches at the petiole base is also a reference for the determination of the genome. Straight petiole canal leaf and sparse blotching showed that Gebyar tend to M.balbisiana (B genome). While open petiole canal and large blotches tend to M. acuminata (A genome) as shown in mas kirana. Rajanangka and rajalawe have open petiole canal and sparse blotching so it is possible both are the result of M.acuminata and M.balbisiana crossing namely M. paradisiaca (AB Genome). Chromosome analysis revealed different ploidies: diploid and triploid, with chromosome number 2n=22 for mas kirana, and 2n=33 for gebyar, raja nangka and rajalawe. Accession with triploidy had bigger stomatas. The stomatas were located on the upper and lower surfaces of leaves.
Co-Authors Eko Apriliyanto Okti Hanayanti