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All Journal Jurnal Floratek Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter
Elly Kesumawati
Syiah Kuala University
Education Engineering Other

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PENGARUH VARIETAS DAN DOSIS PELET Trichoderma harzianum TERHADAP PERTUMBUHAN DAN PRODUKSI CABAI (Capsicum annuum.L) Eka Fitria; Elly Kesumawati; Bakhtiar Bakhtiar
Jurnal Floratek Vol 13, No 1 (2018): April 2018
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

The use of superior seeds and certified hybrids is one of the efforts to increase the productivity of chili. Absorption of nutrients and water is strongly supported by root growth, with the administration of Trichoderma sp. hence root growth becomes better so that the process of absorption of nutrients and water will also be optimal which also results in the growth and production of chili plants. This study aims to determine the effect of varieties and dosages of T. harzianum pellets as well as their interactions with the growth and production of chili. The design used in this study was a factorial randomized block design (RBD) with 3 replications. The results showed that the treatment of varieties had a very significant effect on the average plant height and canopy width at 20, 40, and 60 DAP, wet stover weight, dry stover weight, fruit length and fruit diameter. Varieties have a significant effect on leaf length, and root length. The growth and production of chili plants is better found in the Lado variety. The dose of T. harzianum has a very significant effect on the average root length and has a significant effect on the average weight of dry stover. The better growth and production of chili plants is found in the administration of 20 g of T. harzianum / plant.
The structural change of leaves in Anthurium andraeanum uder intermitten mist Elly Kesumawati
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 1 (2012): Life Sciences
Publisher : Syiah Kuala University

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Photosynthesis is the fundamental basis in green plants, and the principal organ of photosynthesis is leaf. On the basis of water requirements or adaptations, as angiosperm leaves, Anthuriums require abundant soil water and relatively humid atmosphere. To identify the morphological characteristic of leaves in Anthurium, the transverses section was conducted. Two factors were tested in this experiment: 1) mist treatment (intermittent mist and control/without mist) and 2) the type of medium planting (bark and rockwool). For observation on microscopic differences, the leaves were put on the Auto Tissue Processor ROTEX and embedded the sample in a Hardener Resin (Technovit 7100), then the block-samples were sectioned in the Microtom machine at 5 um. The results of transverses section showed that the leaves of Anthurium with intermittent mist treatment, under both rock wool and bark medium thicker than control. In this experiment, the intermittent mist treatment affected the leaf structure of Anthurium andraenum. The intercellular space with connected to the outer atmosphere through the stomata was drastically increased by intermittent mist treatment which promoted transpiration, rapid gas exchange and photosynthesis.
Salinity stress simulation on Acehnese local rice (Oryza sativa L.) with NaCl in the method of in vitro germination . Efendi; Elly Kesumawati; Sabaruddin Zakaria; . Syafruddin; . Syamsuddin; . Hasanuddin
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 3, No 3 (2013): Addendum
Publisher : Syiah Kuala University

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Agricultural yield was negatively impacted by salt stress throughout around the world affecting production whether it is for economic gain or subsistence. The tolerance of Acehnese local rice on salinity stress was studied with using osmotic condition in the method of in vitro germination. NaCl was applied on medium MS for the salinity stress simulation for studying the capability of the various osmotic conditions in selection of some Acehnese local rice for the tolerance of salinity stress. The objective of this research was to simulate with in vitro method the tolerance of some varieties of Acehnese local rice on salinity stress during seed germination. Sixteen varieties of Acehnese local rice was sterilized and germinated in vitro for tens days in 250 ml bottle containing 25 ml of medium MS with applying NaCl as concentration 0, 0.5, 1.0, 1.5 and 2.0 g/liter. The varieties of Acehnese local rice that used in this research are Ciherang as control variety, and Acong, Padi Mas, Aweuh, Rom Mokot, Bo Santeut, Sigudang, Bo 100, Sanbei, Sigupai, Manggeng, Sipirok, Padi Berselona, Salah Mayang Ru, Pandrah, dan Sikuneng. The results of this study showed that the tolerance of Acehnese local rice different significantly on observed viability of the seeds: seed growth rate, germination capacity, growth velocity, growth unity, and seedling fresh weight. The osmotic condition of NaCl resulted an effective method to simulate the tolerance of salinity stress for Acehnese local rice using NaCl in the method of in vitro cultivation. The solution with 2.0 g/l of NaCl that used to study the responds of Acehnese local rice to the tolerance of salinity stress was obtained as the best concentration. Thus, simulation of salinity stress condition on Acehnese local rice will become an alternative method for selection of genotype traits related to the tolerance of salinity stress for local rice in the future
Co-Authors . Efendi . Hasanuddin . Syafruddin . Syamsuddin Eka Fitria Mudinillah, Adam Sabaruddin Zakaria