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COCOS
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Articles 3 Documents
Search results for , issue "Vol 1, No 1 (2021)" : 3 Documents clear
PENGARUH MATRICONDITIONING TERHADAP VIABILITAS DAN VIGOR BENIH KEDELAI YANG DISIMPAN DI RUANG TERBUKA M. Udi, Youlanda; A. F. Walingkas, Stanley; M.W. Lumingkewas, Adeleyda
COCOS Vol 1, No 1 (2021)
Publisher : COCOS

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Abstract

ABSTRACKThis study aims to study the effect of matriconditioning on the viability and vigor of soybeanseeds stored in open spaces and to obtain the best type of media for the invigoration of soybean seeds,carried out in the new city sario sario in manado, for 3 (three) months from preparation to the completionof the research, namely in May to August 2020. The method used was a descriptive method, with 4 (four)treatments that were repeated 4 (four) times consisting of P1 (husk ash matriconditioning), P2 (red brickmatriconditioning that had been crushed), P3 (rubbing ash matriconditioning), P4 (fine sandmatriconditioning). The results showed that the matriconditioning treatment could increase the viability ofsoybean seeds in the parameters of germination, germination speed, sprouting height and root length. Ofall the matriconditioning treatments, the best material to increase the viability of soybean seeds is thematriconditioning treatment using mashed red bricks with a germination percentage of 84%, germinationspeed 16.8% / etmal, sprouting height of 7.5 cm and root length of 6 , 8 cm.Keywords: Soybean seed, Matriconditioning, Viability, Vigor
KEADAAN KESUBURAN KIMIA TANAH PADA TANAH YANG DITANAMI TANAMAN CABAI (Capsicum Annum L) DI DESA LOWIAN KECAMATAN MAESAAN KABUPATEN MINAHASA SELATAN Kawengian, Serliati Ch.; Sondakh, Tommy D.; Najoan, Jemmy
COCOS Vol 1, No 1 (2021)
Publisher : COCOS

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ABSTRACKThis study was to determine the state of soil chemical fertility in the soil planted withchilies (Capsicum annum L.) in Lowian village, Maesaan District, South Minahasa Regency, aswell as to support chili farming in Lowian village. This research was conducted in Lowianvillage, Maesaan District, South Minahasa Regency. Soil sampling was carried out in twolocations, namely at the top of the village and at the bottom of the village. Furthermore, theanalysis of soil chemical properties at the Laboratory of Chemistry and Soil Fertility, Facultyof Agriculture, Sam Ratulangi University, Manado. The research period starts from Septemberto October 2020. The results of the analysis of several soil chemical properties in chilicultivation in Lowian village, Maesaaan District show that soil acidity (soil pH) is in a slightlyacidic state (6.3 - 6.4), C-organic has a low to moderate content value (1.74). - 2.22), the valueof the cation exchange capacity (CEC) is in a low to moderate state (13.82 - 18.54), Nitrogennutrient content is low (0.14 - 0.19), Phosphorus nutrient content is in a low state (11.64 -12.45), and the nutrient content of Potassium is in a low state (13.32 - 20.11) In general, basedon the results of laboratory analysis, it was stated that the soil chemical fertility in Lowianvillage, Maesaaan District, was at a low level.Key words: Soil, chemical properties, chili plants
INDUKSI KALUS PADA AREN (Arenga pinnata Merr.) SECARA IN VITRO MENGGUNAKAN 2,4-D Paseno, Jefri; Pangemanan, Euis F. S.; Doodoh, Beatrix
COCOS Vol 1, No 1 (2021)
Publisher : COCOS

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ABSTRACT CALLUS INDUCTION ON AREN (Arenga pinnata Merr.) IN VITRO USING 2,4-D This study aims to obtain the optimal concentration of ZPT (growth regulator) 2,4-D for in vitro induction of palm callus.The research was conducted in January - May 2020 at the Laboratory of the Manado Palm Plant Research Institute.This study used MS media (Murashige and Skoog) and 5 concentrations (treatment) of 2,4-D, each treatment was repeated 5 times so that the number of experimental units was 25 bottles of culture, namely the initial concentration using 2,4-D 2 mg /l, 3 mg / l, 4 mg / l, 5 mg / l, and 6 mg / l, while for the concentration of 2,4-D after sub-culture, namely, 6 mg / l, 7 mg / l, 8 mg /l, 9 mg / l, and 10 mg / l.The results showed that the treatment of 2,4-D at a dose of 6 mg / l and 10 mg / l could induce callus on sugar palm. Keywords : Arenga pinnata Merr., Plant Tissue Isolation Method, Callus Induction, 2,4-D

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