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Khairunnisa Lubis
University of North Sumatera
Agriculture, Biological Sciences & Forestry

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The Performance of Root Morphophysiological of Some Crossing Maize (F1) on Two Medium in Rhizotron Desy Mutiara Sari; Khairunnisa Lubis; Rosmayati Rosmayati
Jurnal Agroekoteknologi Vol 5, No 3 (2017)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (402.806 KB) | DOI: 10.32734/jaet.v5i3.16313

Abstract

The objective of the research was to determine the performance of root morphophysiological of some crossing maize (F1) in acid soil using the rhizotron. The research was conducted at the green house of Faculty of Agriculture, North Sumatera University, Medan from April 2016 to June 2016. The randomized block design was used with two factors; the first factor were the crossing maizes (F1) P1 (CLA 106 x NEI 9008), P2 (NEI 9008 x CLA 106), P3 (1042-71 x CLA 84),                     P4 (CLA 84 x 1042-71), and P5 (CLA 46 x NEI 9008) and the second factor were the acid soil medium (pH 4,7 and Al-cc 0,20 me/100g) and optimum soil. The result of this research showed that the using of different soil medium significantly affected the root fresh weight, root distribution diameter, root volume, shoot fresh weight, shoot dry weight, and plant height. The using of different crossing maize (F1) showed significant effect to plant height. Interaction of both treatments had significant effect to root distribution diameter. NEI 9008 x CLA 106 performed the best growth in the acid soil whereas the CLA 84 x 1042-71 performed the best growth in the optimum soil. Keywords : acid soil, morpho-physiological appearance, rhizotron.  
Study of Characteristics of The Maize Corn Varieties Introduction and Some Local Wika Winani Syahputri; Hot Setiado; Khairunnisa Lubis
Jurnal Agroekoteknologi Vol 6, No 2, April (2018)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v6i2, April.17254

Abstract

WIKA W SYAHPUTRI:Characteristics Study Of The Introduction And Some Local Corn Varieties. Supervised by HOT SETIADO and KHAIRUNNISA LUBIS.The difference in the character of corn plants at different age, would perform different growth, besides the genetic factors also influenced by thecultivation. The high genetic diversity was one of the important factors to produce the new superior varieties.The research was aimed to know the characteristics of vegetative and generative of introduction and some local corn varieties. The research was carried out on the land of the Centre Seed Service of Cash Crops, Departmentof Agriculture,Medan Sunggal, Deli Serdang district, from July 2016 to  October 2016. The randomized block design was used with three varieties of corn (Black Aztec, Bisi2, Bonanza).The data obtained were analyzed and continued with the DMRT. Variables observed were: the plant height, the time of flowering, the time of female flowers bloomed, the time of harvested, the cob length, the number of lines per cob, the production per sample, the production per plot. The results showed that thevarieties significantly affected the plant height, the time of male flower bloomed, the time of harveste, the cob length, the number of line per cob, the production per sample, the production per plot. The Black Aztec showed the lowest production (1005.56 grams per plot) mean while the Bonanza showed the highest production (2338.44 grams). The highest heritability and the broad of diversity coefficient  were obtained in the time of male flower bloomed, the time of female flower bloomed, the time of harvested, the number of lines per cob.Key words: introduction, maize, varieties
Co-Authors Desy Mutiara Sari Hot Setiado Rosmayati Rosmayati Wika Winani Syahputri