scholarly journals Pengaruh Perendaman Benih Pada Berbagai Suhu Awal Air Terhadap Viabilitas Benih Kayu Afrika (Maesopsis Eminii)

2014 ◽  
Vol 2 (1) ◽  
pp. 101
Author(s):  
Oben . ◽  
Afif Bintoro ◽  
Melya Riniarti
Keyword(s):  
Seed Dormancy ◽  
Initial Temperature ◽  
Seed Viability ◽  
Germination Percentage ◽  
Temperature Treatment ◽  
Randomized Design ◽  
Series Of Experiments ◽  
Completely Randomized Design ◽  
Maesopsis Eminii ◽  
Tree Seed

One of thepropagation problems in generative of umbrella treewas seed dormancy. To break the seed dormancy of umbrella tree seed, soaking at different initial temperatures of water was used. The objectives of this research were to find out the effect of initial temperature treatment to the germination percentage, the germination speed rate, and the ability to germinate, and also to find the optimum initial temperature for umbrella tree germination. The research hasstartedFebruary until May 2012 in PT. Anugerah Subur Sejahtera, Ulak Bandung Village, sub-districtofMuara Sahung, Kaur Regency, Bengkulu.This research used completely randomized design (CRD) with 4 treatment and 3 replications, each series of experiments used 100 seeds.The result shown that soaking treatment at different initial temperature of water has been significantly affected the germination percentage, and the umbrella tree seed without soaking gave the best result. Key words : germination, scarification, seed viability, umbrella tree

scholarly journals Effect Of Seed Hydration-Dehydration Integrated With Rhizobacteria On Viability And Vigor Of Deteriorated Soybean Seed

2018 ◽  
Vol 1 (1) ◽  
pp. 25-31
Author(s):  
P.K. Dewi Hayati
Keyword(s):  
Seed Viability ◽  
Soybean Seed ◽  
Storage Conditions ◽  
Germination Percentage ◽  
Time Data ◽  
Randomized Design ◽  
Vigor Index ◽  
Significant Difference ◽  
Completely Randomized Design ◽  
Hydration And Dehydration

Soybeans undergo rapid deterioration due to its chemical composition and unfavourable storage conditions. The objective of the research was to determine the length period of seed hidration and dehydration which is integrated with rhizobateri to viability and vigor of deteriorated soybean seed.  A completely randomized design with four replicates were used in this experiment. Seeds were treated with varied combination of hydration period in a rhizobacteria suspension and followed by dehydration time.  Data were analysed using the F-test and significant differences were further tested with Least Significant Difference at the 5% level. Results showed that the hydration and dehydration period of seeds in a rhizobacteria suspension improved viability and vigor of seed which have 59.5% initial germination percentage. The improvement was 12.28%, 0.56, 25.4% and 1.4 days for standard germination test, vigor index, first count test percentage and T50, respectively. The hydration for 60 minutes followed by dehydration for 60 minutes gave the best results on seed viability and vigor.

scholarly journals LACK OF EFFECT OF PRETREATMENT ON THE VIABILITY OF MACADAMIA (Macadamia integrifolia) SEED

2013 ◽  
Vol 3 (2) ◽  
pp. 58 ◽  
Author(s):  
Maharani Hasanah ◽  
Sukarman Sukarman ◽  
Devi Rusmin ◽  
Devi Rusmin
Keyword(s):  
Seed Germination ◽  
Seed Viability ◽  
Germination Percentage ◽  
Macadamia Integrifolia ◽  
Randomized Design ◽  
Dehydrogenase Enzyme ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Good Quality Seed ◽  
Dehydrogenase Enzyme Activity

One problem in developing macadamia in Indonesia is the limited availability of good quality seed. Viability of the seed is easily lost and erratic, and the seed has long dormancy periods. The objective of the study was to find a method for enhancing germination percentage of macadamia seed. The study evaluated different pretreatments of macadamia seeds before planting. The pretreatments were period of fermentation, i.e., 0, 1, 2, 3, 4, 5, 6, and 7 daysone day each soakingdrying-soakingone day each drying-soaking-dryingand alternate drying-soaking until the seeds were cracked. The treatments were arranged in completely randomized design. Results showed that no treatment significantly affected percentage of seed germination, index of speed of germination, number of leaves, and dehydrogenase enzyme activity, but treatments significantly affected seedling height and electric conductivity of seed leakage solution. Seed germination percentage ranged from 66.67 to 86.67.

scholarly journals Size and vigor of Anadenanthera colubrina (Vell.) Brenan seeds harvested in Caatinga areas

2017 ◽  
Vol 39 (4) ◽  
pp. 363-373 ◽  
Author(s):  
Jaciara de Souza Bispo ◽  
Danielle Carolina Campos da Costa ◽  
Samara Elizabeth Vieira Gomes ◽  
Gilmara Moreira de Oliveira ◽  
Janete Rodrigues Matias ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Dry Matter ◽  
Folk Medicine ◽  
Germination Percentage ◽  
Climate Variations ◽  
Randomized Design ◽  
Mother Plants ◽  
Physiological Quality ◽  
Completely Randomized Design

Abstract: Angico is a species found in several environments in Brazil, with several applications. It is used in the timber industry and mainly in folk medicine. In order to verify a variation in the biometric characteristics and the quality of seeds from different mother-plants in different harvesting years, the following variables were studied: moisture content, diameter, density, electrical conductivity, fresh and dry matter of seedlings, germination percentage and kinetics, in a completely randomized design with a 2x3 factorial arrangement (lots x size). The obtained results showed that angico seeds from different lots showed different physiological quality, possibly due to the climate variations to which mother-plants were submitted in the different years. Seed size directly interferes with seedling growth under both controlled and greenhouse conditions, and it can be used as a vigor indicator for angico seeds.

scholarly journals Development of Liquid Enhancer for Germination of Drought-stressed Oryza sativa subsp. indica Seed cv. MR284

2019 ◽  
pp. 1-9 ◽  
Author(s):  
S. N. Mahadi ◽  
F. Zawawi ◽  
R. Nulit ◽  
M. H. Ibrahim ◽  
N. I. Ab. Ghani
Keyword(s):  
Oryza Sativa ◽  
Seed Germination ◽  
Germination Percentage ◽  
Leaf Length ◽  
Seed Vigor ◽  
Rice Seed ◽  
Combination Treatments ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Selection Of

Aim: This study was conducted to develop liquid enhancer containing KCl, TU, GA, and SA for germination of drought-stressed Oryza sativa subsp. indica cv. MR284 seed. Study Design: All experiments were conducted in a completely randomized design. Two steps were involved in the development process which are to select an ideal concentration for each KCl, TU, GA, and SA, and to find an ideal combination of chemicals from the selection of ideal concentrations acquired in step 1 to form liquid enhancer. There were 20 treatments for step 1 and 9 treatments for step 2. All of these treatments with 6 replicates. Place and Duration of Study: Department of Biology, Faculty of Science, University Putra Malaysia, between June 2018 and December 2018. Methodology: The sterilized rice seed cv. MR284 was stressed in the -1.2 Mpa PEG 6000 solution for three days and germinated in the KCl, TU, GA, and SA solution in a series of concentration for 10 days, in a controlled room. Seed germination was observed daily. Results: In the first step, drought-stressed rice seed showed the best germination performance in the 30 mM of KCl, 2.0 mM of TU, 0.24 mM GA, and 0.5 mM SA. Meanwhile, in the second step, the drought-stressed rice seed showed the best germination performance in the combination of 30 mM KCl + 2.0 mM TU + 0.24 mM GA + 0.5 mM SA. The best germination performance was evaluated by the highest germination percentage (%), germination index, seed vigor, leaf length, root length and biomass. Conclusion: Therefore, the combination treatments of 30 mM KCl + 2.0 mM TU + 0.5 mM SA was found to be the most effective and simplest liquid enhancer formula that has an ability to enhance seed germination of drought-stressed rice cv. MR284 seed.

scholarly journals THE EFFECT OF CORONA INCANDESCENT PLASMA RADIATION AND STORAGE TEMPERATURE ON THE VIABILITY OF GARLIC SEEDS (ALLIUM SATIVUM L. LUMBU KUNING VARIETY)

2021 ◽  
Vol 5 (1) ◽  
pp. 11-17
Author(s):  
Febiasasti Trias Nugraheni ◽  
Erma Prihastanti ◽  
Endah Dwi Hastuti
Keyword(s):  
Room Temperature ◽  
Allium Sativum ◽  
Storage Temperature ◽  
Germination Percentage ◽  
Plasma Radiation ◽  
Agricultural Commodity ◽  
Time Duration ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
And Storage

Garlic (Allium sativum L.) is an agricultural commodity which is widely consumed by the community. The obstacle experienced in cultivation is that a relatively long dormancy period of about 6-7 months. The dormancy of garlic seeds occurs because the embryo has not yet been fully formed, and the growth hormone and inhibitory hormone are not balanced. The methods used to break dormancy and accelerate germination are by using corona incandescent plasma radiation and storage temperature. The research utilized factorial Completely Randomized Design (CRD), consisting of six treatments with five replications. The first factor was the corona incandescent plasma radiation carried out on the garlic seeds ‘Lumbu Kuning’ variety with time duration of 0, 15, and 30 minutes. The second factor was storage temperature comprising of room temperature and cold temperature of 7oC stored for 30 days. Viability parameters observed are germination percentage dan the length of sprouts. The data were analyzed by using ANOVA followed by the DMRT test at the 95% confidence level. The results showed that corona incandescent plasma radiation influenced the germination percentage using plasma radiation for 15- 30 minutes.

scholarly journals Temperatures and substrates for germination and vigor of Erythroxylum pauferrense Plowman seeds

2019 ◽  
Vol 41 ◽  
pp. e46030
Author(s):  
João Everthon da Silva Ribeiro ◽  
Arliston Pereira Leite ◽  
Jackson Silva Nóbrega ◽  
Edna Ursulino Alves ◽  
Riselane de Lucena Alcântara Bruno ◽  
...  
Keyword(s):  
Dry Mass ◽  
Germination Percentage ◽  
Seed Vigor ◽  
Randomized Design ◽  
Temperature Regimes ◽  
Seedling Length ◽  
Physiological Quality ◽  
Mean Germination Time ◽  
Completely Randomized Design ◽  
Understory Plant

Erythroxylum pauferrense is an endemic understory plant species of the Northeast Region of Brazil. The species is of great importance to the region and so ecophysiological studies are needed for its preservation. The objective of the present study was to determine the best substrates and temperatures for testing germination and seed vigor of E. pauferrense. An experiment was performed comprising a completely randomized design in a 5 x 4 factorial scheme, with five temperature regimes (20, 25, 30, 35°C constant and 20-30°C alternating) and four types of substrates (paper, vermiculite, sand and commercial substrate). The following characteristics were evaluated: germination percentage, first germination count, germination speed index, mean germination time, seedling length and dry mass (root and shoot). Paper and vermiculite substrates combined with constant temperatures of 20, 25, 30 and alternated between 20-30°C, provide greater seed germination and vigor while 35°C reduces seed physiological quality.

scholarly journals Analysis of Vitamin C Content of Red Dragon Fruit (Hylocereus polyrhizuz) and White Dragon Fruit (Hylocereus undatus) in Storage with Different Temperatures and Times

2018 ◽  
Vol 5 (2) ◽  
pp. 249
Author(s):  
N. Putri Sumaryani ◽  
Anak Agung Istri Mirah Dharmadewi
Keyword(s):  
Vitamin C ◽  
Storage Time ◽  
Temperature Treatment ◽  
Randomized Design ◽  
Dragon Fruit ◽  
Different Temperatures ◽  
Completely Randomized Design ◽  
The Difference ◽  
Hylocereus Undatus ◽  
And Storage

This study was conducted to determine the temperature and storage time of the exact vitamin C content of red and white dragon fruit and the difference of vitamin C. The samples were taken from the plantation land in Ubud Andong Highway, Petulu, Gianyar Regency. Treated for 10 and 30 days with 2, 10, 20 and 300C temperature treatment with five repetitions using Completely Randomized Design Factorial pattern. Data obtained statistically using ANOVA (Analysis of Variance). The highest vitamin C content in red dragon fruit is 29.61 mg/ 100g temperature 100C for 10 days and the lowest is in 30 days storage with temperature 300C that is equal to 22,09 mg/ 100g. While the white dragon fruit content of vitamin C highest contained in storage with a temperature of 20C is 22.69 mg/ 100g with maximum storage of 10 days and the lowest at a temperature of 300C is 17.37 mg/ 100g.

scholarly journals Effects of aqueous plant extracts and inorganic fertilizer on the germination, growth and development of maize (Zea mays L.)

2014 ◽  
Vol 59 (3) ◽  
pp. 243-254 ◽  
Author(s):  
Kanayo Chukwuka ◽  
Maxwell Obiakara ◽  
Israel Ogunsumi
Keyword(s):  
Plant Extracts ◽  
Growth And Development ◽  
Tap Water ◽  
Germination Percentage ◽  
Distilled Water ◽  
Aqueous Extracts ◽  
Radicle Growth ◽  
Randomized Design ◽  
Npk Fertilizer ◽  
Completely Randomized Design

Screen house experiments were carried out to examine the effects of aqueous leaf extracts of Tithonia diversifolia (Ti) and Vernonia amygdalina (Ve), as well as NPK fertilizer (15-15-15) on the germination, growth and development of maize. Fresh leaves were collected, washed with tap water, chopped and pounded, soaked in distilled water and filtered. The two filtrates were used to prepare extracts at 50 and 100% w/v. Four maize seeds were placed in Petri dishes laid out in a completely randomized design with five replicates. In every Petri dish 10 ml of extract per treatment was added. A control experiment with distilled water was also set up. Also, in a completely randomized design with four replicates, 4-week-old potted maize plants were treated with 500 ml of each extract as well as with 1.52 g of NPK fertilizer. The results showed that the germination percentage of the seeds followed the order Ti50 - Control - Ve50. The seeds treated with aqueous extracts of T. diversifolia and V. amygdalina at 100% w/v produced lower but equal germination percentage. The seedling radicle growth was significantly inhibited by the aqueous extracts of Ti100, Ve50 and Ve100 (p?0.05). The inhibition was dose-dependent and more pronounced in seeds treated with extracts of V. amygdalina. The aqueous extract of T. diversifolia (50% w/v) and control influenced radicle growth substantially. All the extracts inhibited the plumule development compared to the control. On the other hand, growth, development and yield were not significantly affected by the plant extracts.

Reduction of the Forage Seeds Physiological Quality by the Contact with Fertilizer in the Crop-Livestock Integration

2019 ◽  
pp. 1-11
Author(s):  
Anne Caroline Dallabrida Avelino ◽  
Dayana Aparecida De Faria ◽  
Carlos Eduardo Avelino Cabral ◽  
Joadil Gonçalves De Abreu ◽  
Elisangela Clarete Camili ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Contact Time ◽  
Accelerated Aging ◽  
Germination Percentage ◽  
Randomized Design ◽  
Accelerated Aging Test ◽  
Aging Test ◽  
Physiological Quality ◽  
Completely Randomized Design ◽  
Seeds Germination

The aim of this study was to evaluate the effects of Brachiaria seed contact time with 05-25-15 fertilizer (N-P2O5-K2O) on the seed’s physiological quality. The experimental design was a completely randomized design with four replicates. Treatments were arranged in a 5x4 factorial, being: five seeds contact times with fertilizer (0, 24, 48, 72 and 96 hours); four forages: Marandu palisadegrass, Piatã palisadegrass, Xaraés palisadegrass and Ruziziensis grass. The performed tests were: water content, germination (first count and germination percentage), tetrazolium (viability), electrical conductivity, accelerated aging, sand emergency and emergence speed index. Contact time of 05-25-15 fertilizer with Brachiaria seeds reduces linearly: Germination, emergence and emergence speed index of Brachiaria seeds; Piatã and Xaraés palisadegrass seeds viability; vigor (electrical conductivity), except in Ruziziensis grass seeds; and seeds germination of Piatã palisadegrass submitted to accelerated aging test (vigor). Piatã palisadegrass is the least recommended, among the analyzed grasses, for intercropping in simultaneous sowing.

scholarly journals Application of Young Coconut Water and “Kascing” Fertilizer to Red Palm Seed Germination

2017 ◽  
Vol 18 (1) ◽  
pp. 17
Author(s):  
Fatimatuz Zuhro ◽  
Hasni Ummul Hasanah ◽  
Sukadi Sukadi
Keyword(s):  
Seed Germination ◽  
Germination Rate ◽  
Water Concentration ◽  
Germination Percentage ◽  
Coconut Water ◽  
Randomized Design ◽  
Completely Randomized Design

Redpalm isornamentplantwhichpotentiallytobecultured.Thescarcityofredpalmmadeithashighmarket value and need to be preserved. However, the germination growth of red palm is slower than other kinds of palm, so the best way to germinate the red palm seed is needed. The aim of this research is to determine the effect of apliccation some young coconut water concentration and kascing fertilizer to red palm seed germination. The research used factorial completely randomized design with 5 replication, the first factor is young coconut water concentration (0%, 25%, 50%, 75%, and 100%) and the second factor is germination media (steril sand and kascing fertilizer). Variables measured were live germination percentage, speed germination rate, radicula length, and plumula height. Results of this study showed that the best germination media is steril sand and 0% concentration of young coconut water.

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