Pertumbuhan dan Produktivitas Jagung Manis pada Beberapa Sistem Tanam

The purpose of this study was to determine the growth and productivity of sweet corn on a Single Row, Double Row, Row Twins and Twins Seed planting system. This study was conducted in an experimental garden of Politeknik Negeri Lampung, Hajimena South Lampung, in July-September, 2015. This study is based on randomized block design with one factor cropping system consists of 4 treatment ie : Single Row (SR) (20cm x 75cm), Double Row (DR) (20cm x 20cm x 80 cm), Twins Row (TR) (20cm x 10cm x 80 cm) , and TwinsSeed (TS) with plant spacing (40cm x 75cm two seed in one planting hole). Parameter observational studies high plants (cm), leaf number (cm), diameter (cm), lebar daun (cm) and long leaf (cm) and productivity  (ton/ ha). The data were analyzed using the F test at  1 % and 5 % level and than followed by test BNT.  The conclusion of this study were (1) planting system gives a response was not significantly different in stem diameter and leaf length, the difference is shown in plant height, number of leaves and leaf width, 2) There is a significant differences in the productivity cropping systems. Twins Row cropping systems have different productivity with a Single Row planting system, Double Row, Twins Seed and (3) Average Twins Seed planting system showed the highest productivity of 39.42 ton/ha

Karakteristik Iklim Mikro Dan Produksi Jagung Manis Pada Beberapa Sistem Tanam

The purpose of this study was to determine the characteristics of the micro-climate(temperature, humidity, and light intensity) and the production of sweet corn on a sigle row,doble row, twin row, and Twin seed planting system. This study was conducted in anexperimental garden of Politeknik Negeri Lampung, Hajimena South Lampung, in July-September, 2015. This study is based on randomized block design with one factor croppingsystem consists of 4 treatment ie : Sigle Row (SR) (20cm x 75cm), Doble Row ( DR ) (20cm x20cm x 80 cm), Twin Row (TR) (20cm x 10cm x 80 cm) , and Twin Seed (TS) with plantSpacing (40cm x 75cm 2 seed in one planting hole). Parameter observations of this studyconsisted of (1) micro-climate (temperature (oC), relative humidity (RH %) and Interceptionof Light (%) ) and (2)production (corn length (cm) , corn diameter (m ) and Corn weights(grams). The data were analyzed using the F test at 1 % and 5 % level and than followed bytest BNT. The conclusion of this study were (1) The characteristics of the microclimate : a)There is a noticeable difference in the temperature of the top of the current crop of 4 mst andat 9 mst there is a significant difference in the temperature of the bottom , where SR has adifferent temperature involves the other b) All systems planting has a relative humidity (%)were not significantly different , and c ) there is a difference light interception ( % ) duringthe day when 4 mst , where the twins seed has a light interception is different from othertreatments and there is a difference light interception during 9 mst where sigle row has adifferent light interception to other treatments. (2) The production of sweet corn on thetreatment SR, DR, TR and TS were not significantly different and has a weight of corn (SR =354.8 grams, DR = 316.5 grams, 328.5 grams TR and TS = 325.4 grams) same withdescription bonanza varieties (270-300 grams)

Karakteristik Iklim Mikro Serta Pertumbuhan Pada Beberapa Sistem Tanam Jagung Dengan Pola Tanam Tumpang Sari Dan Tanam Tunggal

The purpose of this study is to know the characteristics of microclimate and the growth ofcorn and soybean on single row, doble row, twin row, and twin row seed system inpoliculture and monoculture pattern. The research was arranged in Randomized BlockDesign with two factors (1) planting system consisting of 4 treatments (Sigle Row (SR) (25x75cm) Doble Row (DR) (20x 20x 80cm), Twin Row (TR) (20x10x 80 cm), and Twin Seed (TS)(40 x 75cm (2 seed in 1 planting hole)) and (2) Cropping Pattern (Polikulture (TS) (100 cmof corn line distance)) and monokulture (TT), with 3 replications. Data analysis was doneby F test (1% and 5%) and BNT (5%). Conclusions: Microclimatic characteristics (a) LightInterception (%) at morning of middle plant canopy, midday and afternoon in the middle andlower part of the canopy are not significantly different. There is a significant difference inmorning light interception at the bottom of the plant canopy, the lowest light interception isTTSR treatment. Temperature (oC) there was significant difference of temperature due to treatment. the TTTS treatment had the highest average temperature under the plant canopy(26.30 o C) and the center of the plant canopy (29.40 o C). Relative humidity (%) did not give a significantly different response to the treatment

Karakteristik Iklim Mikro Dan Produksi Jagung Manis Pada Beberapa Sistem Tanam

The purpose of this study was to determine the characteristics of the micro-climate(temperature, humidity, and light intensity) and the production of sweet corn on a sigle row,doble row, twin row, and Twin seed planting system. This study was conducted in anexperimental garden of Politeknik Negeri Lampung, Hajimena South Lampung, in July-September, 2015. This study is based on randomized block design with one factor croppingsystem consists of 4 treatment ie : Sigle Row (SR) (20cm x 75cm), Doble Row ( DR ) (20cm x20cm x 80 cm), Twin Row (TR) (20cm x 10cm x 80 cm) , and Twin Seed (TS) with plantSpacing (40cm x 75cm 2 seed in one planting hole). Parameter observations of this studyconsisted of (1) micro-climate (temperature (oC), relative humidity (RH %) and Interceptionof Light (%) ) and (2)production (corn length (cm) , corn diameter (m ) and Corn weights(grams). The data were analyzed using the F test at 1 % and 5 % level and than followed bytest BNT. The conclusion of this study were (1) The characteristics of the microclimate : a)There is a noticeable difference in the temperature of the top of the current crop of 4 mst andat 9 mst there is a significant difference in the temperature of the bottom , where SR has adifferent temperature involves the other b) All systems planting has a relative humidity (%)were not significantly different , and c ) there is a difference light interception ( % ) duringthe day when 4 mst , where the twins seed has a light interception is different from othertreatments and there is a difference light interception during 9 mst where sigle row has adifferent light interception to other treatments. (2) The production of sweet corn on thetreatment SR, DR, TR and TS were not significantly different and has a weight of corn (SR =354.8 grams, DR = 316.5 grams, 328.5 grams TR and TS = 325.4 grams) same withdescription bonanza varieties (270-300 grams).Keywords : Cropping Systems , Micro Climate , Productio

Uji Daya Hasil Sepuluh Galur Baru Tanaman Padi (Oryza Sativa L.) Rakitan Politeknik Negeri Lampung

Rice is the staple food of Indonesia's population. Widespread food shortages in a country will lead to economic insecurity, social and political. Assemble new type of rice varieties for high yield, biotic and abiotic stress resistance, with good quality rice is a solution to cope with food shortages. Polinela been assembling some new strains of rice germplasm by using superior character in quantity and quality. Research purposes (1) Knowing what superior character possessed by a new strain of rice Polinela assemblies, (2) Knowing where the strain that has a high yield potential. The study was conducted in Polinela April to August 2012. Research conducted with Randomize Completly Block Design (RCBD). Treatment consisted of 10 new strains of rice assemblies Polinela 4th generation (F4), repeated three times. To know the differences between the treatment then continued with Least Significant Different (LSD) on stage 5%. The variables measured were: maximum plant height, maximum number of shoots, number of productive shoots, number of grains per panicle, number of filled grains per panicle, panicle length, grain 1000 grain weight, grain yield per clump, and grain yield per hectare. Organoleptic tests carried out on the aroma and texture of rice or rice flavor. Results showed (1) All new rice strains quantitatively Polinela assemblies have a high yield potential, which is between 7.4 tonnes /ha until 10:34 tonnes /ha, (2) Strain B3, D2, D3, F2, and F3 have high yield potential between 8.4 tons / ha to 10.3 t / ha, as well as having quality taste fluffier rice with a slightly fragrant aroma (rather sweet) until fragrant (fragrant). Keywords: Power Test Results, ten strain of rice assemblies Polinel

In Vitro Screening Ketahanan Galur Padi (Oryza sativa) B7 Hasil Rakitan Politeknik Negeri Lampung Terhadap Cekaman pH Lingkungan Tumbuh

This research aimed to invstigate the response of paddy culture (B7 strain) assembled by Lampung State Polytechnic to the pH stress of environment growth. The research was done at Plant Tissue Culture Laboratory, Lampung State Polytechnic, from May to August 2018. Treatments were single arranged in a completely randomized design with three replications. The treatment tried was five levels of culture media pH (3.5; 4; 4.5; 5; and 5.8). Each replication consisted of three culture bottle containing one explant. The homogenity of data was tested using Barlett test. If the assumption were fulfilled then analysis of variance is executed using STATISTIX 10, and then followed by the Honest Significant Difference (HSD) test in 5% alpha for mean separation. The result of this research showed that the B7 strain gives the same growth response at various pH levels tested, except at pH 3.5. Thus it can be assumed that the B7 strain has tolerance characteristic to low pH until pH 4. Furthermore, further testing in the field is needed to investigate the yield potential of B7 strain if planted at low pH. Keywords: paddy strain, in vitro, pH medi

PERBANDINGAN PERTUMBUHAN DAN PRODUKSI JAGUNG MANIS (Zea mays saccharata L ) PADA SISTEM TANAM SATU BARIS DAN DUA BARIS

Penelitian ini bertujuan (1) membandingkan pertumbuhan jagung manis yang ditanam dengan pola tanam satu baris (SB) dan dua baris (DB). (2) Membandingkan produksi jagung manis yang ditanam dengan pola tanam dua baris dan satu baris. Penelitian menggunakan 2 perlakuan yaitu pola tanam dua baris dan satu baris. Pola tanam dua baris menggunakan jarak tanam 20 x 20 cm (dalam barisan) dan 80 cm antar barisan, sedangkan pola tanam satu baris menggunakan jarak tanam sesuai dengan anjuran 75 x 20 cm.  Untuk membandingkan nilai tengah data yang diperoleh digunakan uji t independen. Variabel yang diamati adalah tinggi tanaman (cm), jumlah daun (helai), bobot jagung dengan kelobot (gram), bobot jagung tanpa kelobot (gram), diameter tongkol (cm), panjang tongkol (cm), berat kering berangkasan tanaman (gram). Hasil yang diperoleh adalah: (1) Perlakuan pola tanam SB dan DB pada tanaman jagung manis tidak mengakibatkan terjadinya perbedaan jumlah daun, namun perbedaan terjadi pada tinggi tanaman jagung manis. Pola tanam SB memiliki nilai rata-rata tinggi tanaman lebih besar (215,65 cm ) dibandingkan pola tanam DB (198,85 cm); (2) Pola tanam SB memiliki nilai bobot tongkol dengan kelobot dan tanpa kelobot yang lebih besar dibandingkan pola tanam DB yaitu berturut-turut 642 g (SB) dan 319 g (DB) serta 274,5 g (SB) dan 236,75 g (DB); (3) Pengamatan terhadap panjang tongkol, diameter, dan bobot kering berangkasan menunjukan adanya perbedaan akibat perlakuan pola tanam SB dan DB.Kata kunci : pola tanam, jagung manis, jarak tana

Karakteristik Iklim Mikro Dan Produksi Jagung Manis Pada Beberapa Sistem Tanam

The purpose of this study was to determine the characteristics of the micro-climate(temperature, humidity, and light intensity) and the production of sweet corn on a sigle row,doble row, twin row, and Twin seed planting system. This study was conducted in anexperimental garden of Politeknik Negeri Lampung, Hajimena South Lampung, in July-September, 2015. This study is based on randomized block design with one factor croppingsystem consists of 4 treatment ie : Sigle Row (SR) (20cm x 75cm), Doble Row ( DR ) (20cm x20cm x 80 cm), Twin Row (TR) (20cm x 10cm x 80 cm) , and Twin Seed (TS) with plantSpacing (40cm x 75cm 2 seed in one planting hole). Parameter observations of this studyconsisted of (1) micro-climate (temperature (oC), relative humidity (RH %) and Interceptionof Light (%) ) and (2)production (corn length (cm) , corn diameter (m ) and Corn weights(grams). The data were analyzed using the F test at 1 % and 5 % level and than followed bytest BNT. The conclusion of this study were (1) The characteristics of the microclimate : a)There is a noticeable difference in the temperature of the top of the current crop of 4 mst andat 9 mst there is a significant difference in the temperature of the bottom , where SR has adifferent temperature involves the other b) All systems planting has a relative humidity (%)were not significantly different , and c ) there is a difference light interception ( % ) duringthe day when 4 mst , where the twins seed has a light interception is different from othertreatments and there is a difference light interception during 9 mst where sigle row has adifferent light interception to other treatments. (2) The production of sweet corn on thetreatment SR, DR, TR and TS were not significantly different and has a weight of corn (SR =354.8 grams, DR = 316.5 grams, 328.5 grams TR and TS = 325.4 grams) same withdescription bonanza varieties (270-300 grams).Keywords : Cropping Systems , Micro Climate , Productio