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Sri - Haryanti
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Pertumbuhan Legume pada Ketinggian yang Berbeda Growth of Legums in Different Altitude Sarmita, Fitriani -; Hastuti, Endah Dwi; Haryanti, Sri -
Bioma : Berkala Ilmiah Biologi Vol. 13, No. 2, Tahun 2011
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (57.084 KB) | DOI: 10.14710/bioma.13.2.67-72

Abstract

Alfalfa (Medicago sativa L.) was one of the example plant that the chlorophyll has been used for medicine,but there were obstacles in cultivation alfalfa (M. sativa L.), becouse the seed must have been imported. Besides that,in Indonesia Alfalfa’s seed was sterile. Legume used in this research will use as chlorophyll alternative source besidealfalfa (M. sativa L.). Legume that have been examined were planted in three location with different altitude that wasSemarang (200 m above sea level), Ungaran (316 m above sea level) and Bandungan (843 m above sea level).Alfalfa (M. sativa L.) is subtropical plant meanwhile legume used to be cultivated in Indonesia is tropical plant.That’s why in this research examined legume were planted in different altitude. Purposes of this research were toknow the growth of legume, knowing if there were interaction among five legumes and planting location withdifferent altitude.. Legumes that were used winged bean (Psophocarpus tetragonolobus (L.) DC.), cowpea (Vignaunguiculata (L.), alfalfa (M. sativa L.), long bean (Vigna sesquipedalis) and common bean (Phaseolus vulgaris L.).The experimental design is completely randomize design with four replication. The data were analyzed by ANOVAtest and continued with Duncan multiple range test with 95% confidence intervals.The results showed that (P.tetragonolobus (L.) DC.) which was planted in Ungaran has the optimum growth of legume.
Optimalisasi Pembukaan Porus Stomata Daun Kedelai (Glycine max (L) merril) Pada Pagi Hari dan Sore Haryanti, Sri -; Meirina, Tetrinica -
Bioma : Berkala Ilmiah Biologi Vol. 11, No. 1, Tahun 2009
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (46.398 KB) | DOI: 10.14710/bioma.11.1.11-16

Abstract

Kedelai merupakan tanaman palawija sumber protein nabati. Tanaman ini lebih kaya kadar proteinnya jikadibandingkan dengan sumber protein nabati lainnya. Peningkatan produksi kedelai memerlukan pemupukan yangmaksimal yaitu melalui daun. Stomata merupakan salah satu alat transpirasi melalui daun, sehingga perlu dilakukanpengukuran panjang dan lebarnya untuk mengetahui pembukaan stomata maksimal. Penelitian ini bertujuan untukmengetahui perbedaan ukuran panjang dan lebar porus stomata daun kedelai pada pagi, siang dan sore hari.Penelitian ini menggunakan rancanag acak lengkap (RAL) dengan perlakuan penyiraman tanaman kedelai pagi,siang dan sore hari. Tiap perlakuan diberi perulangan 3 kali. Setelah tanaman umur 30 hari dilakukan pembuatanpreparat dengan metode replika/cetakan. Hasil penelitian menunjukkan bahwa perlakuan penyiraman dengan waktuyang berbeda tidak berpengaruh nyata terhadap panjang porus stomata, tetapi berpengaruh terhadap lebar porusstomata. Pembukaan porus stomata maksimal terjadi pada pagi hari (jam 9.00)
Pertumbuhan dan Produktivitas Tanaman Bawang Merah (Allium ascalonicum L. var.Tiron) Dengan Perlakuan Gracilaria verrucosa Sebagai Penjerap Air Pada Tanah Pasir Umami, Arif -; Darmanti, Sri -; Haryanti, Sri -
Bioma : Berkala Ilmiah Biologi Vol. 13, No. 2, Tahun 2011
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (118.942 KB) | DOI: 10.14710/bioma.13.2.60-66

Abstract

The aims of this study to determine effect of treatment G.verrucosa as water trappers on growth andproductivity of onions crops grown on sandy soil. The research using CRD with factorial pattern ( 3 x 4 ). The firstfactor is the size of pieces G.verrucosa (U1 =flour, U2 =0.25 cm, U3 = 0.5 cm). The second factor is thecomposition of the mixture G.verrucosa: sand (T1 = 0%: 100%, T2 =10%: 90%, T3 =20%: 80% and T4 =30%:70%). The data obtained were analyzed by ANAVA at the level of significance of 95% followed by Duncan's at95% significance level. The results showed that the addition of G. verrucosa able to increase growth and cropproductivity compared with the onion crops grown on sandy soil only. The most influential medium for plantgrowth is a mixture of onion G. verrucosa with sand on the composition of 20%: 80% with G. verrucosa in all sizes,while the most influential medium for the production of onion crop is a mixture of G. verrucosa in all sizes with asandy soil with a ratio of 10%: 90%.
Co-Authors Arif - Umami Endah Dwi Hastuti Fitriani - Sarmita Sri Darmanti Tetrinica - Meirina