Effects of plant growth regulators in heliconia ‘Red Opal’

The objective of this study was to evaluate growth regulators with purpose of reducing the size of heliconia ‘Red Opal’ potted plants. The experiment was carried out in randomized block design with five treatments (trinexapac-ethyl and paclobutrazol at rates of 37.5 and 75.0 mg of active ingredient per pot and control without growth regulator) and five replicates. The treatments were applied 40 days after planting the rhizomes in pots filled with soil. Thirty and 150 days after the growth regulator application, plant height, number of leaves and shoots, petioles length and leaf area were evaluated. One year after planting the rhizomes in pots the number of inflorescence and leaves (leaves, sheathing leaf bases and inflorescences) and rhizomes (rhizomes and roots) dry mass were determined. Trinexapac-ethyl had no differences compared to the control in any of the variables evaluated. Paclobutrazol proved effective in reducing plant height, leaf area and petiole length and increase in number of leaves and shoots but the effect was temporary. Also, it did not affect the inflorescences production and leaves and rhizomes dry mass. Paclobutrazol is efficient to promote height reduction and to increase the number of shoots in heliconia ‘Red Opal’ potted plants without affect the inflorescence formation but its effects is temporary.

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Optimasi Dosis Pupuk Kandang Ayam dan NPK pada Budidaya Kubis Bunga (Brassica oleracea var. Botrytis L.)

AgriHealth: Journal of Agri-food, Nutrition and Public Health ◽

10.20961/agrihealth.v2i1.49828 ◽

2021 ◽

Vol 2 (1) ◽

pp. 32

Author(s):

Irpan Gunawan ◽

Atak Tauhid ◽

Isna Tustiyani

Keyword(s):

Leaf Area ◽

Plant Height ◽

Block Design ◽

Chicken Manure ◽

Growth And Yield ◽

Randomized Block Design ◽

Affected Plant ◽

Two Factors ◽

Number Of Leaves ◽

Npk Fertilizer

Cauliflower is one of the vegetables for consumers. The demand for cauliflower was rising so it must be scaled up with fertilizer. The purpose of this study was to study the effect of chicken manure and NPK fertilizer on the growth and yield of cauliflower. The study was conducted in Sukasenang Village, Banyuresmi Sub-district, Garut Regency from July to August 2019. The study used a Randomized Block Design (RBD) in two factors each of the 3 rates with 2 replications. The first factor was the rates of chicken manure which consisted of 0, 10 and 20 tons ha-1; the second factor was NPK fertilizer which consists of 0, 100 and 200 kg ha-1. The parameter of this research was plant height, number of leaves, leaf area, weight and diameter crud. The results showed that there was no interaction between the chicken manure and NPK fertilizer. The treatment of 20 tons ha-1 chicken manure affected the variable plant height, the number of leaves and leaf area. The rates of 200 kg ha-1 NPK fertilizer had affected plant height, number of leaves, weight and diameter crud.

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Perbedaan pertumbuhan dan produktivitas varietas bayam hijau dan bayam merah

Jurnal Agro ◽

10.15575/14664 ◽

2022 ◽

Vol 8 (2) ◽

pp. 287-298

Author(s):

Arya Widura Ritonga ◽

Muhammad Syaifuk Ar Rosyid ◽

Axel Anderson ◽

Muhamad Achmad Chozin ◽

Purwono Purwono

Keyword(s):

Leaf Area ◽

Plant Height ◽

Block Design ◽

Green Leaf ◽

Lower Percentage ◽

Leaf Color ◽

High Productivity ◽

Randomized Block Design ◽

White Leaf ◽

Number Of Leaves

Bayam termasuk salah satu sayuran terpenting di Indonesia karena paling banyak dikonsumsi setelah kangkung. Bayam hijau dan bayam merah merupakan jenis bayam paling banyak ditanam dan dikonsumsi. Penelitian ini bertujuan untuk mengetahui perbedaan pertumbuhan dan produktivitas varietas bayam hijau dan bayam merah. Penelitian dilakukan pada Februari – April 2021 di Kebun Percobaan Leuwikopo, Departemen Agronomi dan Hortikultura, Fakultas Pertanian, IPB University. Sebanyak 9 varietas bayam hijau (Maryland, Richie, Maestro, Benua, Doly, Khanafiah, Manila, Pacific, White Leaf) dan 4 varietas bayam merah (Mira, Baret Merah, Clara, Aurora) ditanam menggunakan rancangan kelompok lengkap teracak dengan tiga ulangan. Hasil penelitian memperlihatkan bahwa varietas bayam hijau memiliki kandungan persentase warna hijau daun lebih banyak namun memiliki persentase warna biru dan merah yang lebih rendah dibandingkan varietas bayam merah. Hasil penelitian juga memperlihatkan bahwa varietas bayam hijau menghasilkan tinggi tanaman dan produktivitas yang lebih baik dibandingkan varietas bayam merah, namun varietas bayam merah menghasilkan luas daun dan jumlah daun per tanaman saat panen yang lebih baik besar dibandingkan varietas bayam hijau. Varietas White Leaf merupakan varietas bayam yang sangat baik karena memiliki persentase warna hijau daun yang tinggi, luas daun yang besar dan produktivitas yang tinggi. Spinach is one of the most important vegetables in Indonesia because it was the second most consumed after kangkung. Green spinach and red spinach are the most widely grown and consumed types of spinach. This study aimed to determine differences in growth and productivity between varieties of green spinach and red spinach. The research was conducted in February – April 2021 at the Leuwikopo Experimental Field, Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University. A total of nine varieties of green spinach and four varieties of red spinach were planted using a completely randomized block design with three replications. The results showed that the green spinach variety contained a higher percentage of green leaf color but had a lower percentage of blue and red leaf color than the red spinach varieties. The results also showed that the green spinach varieties produced better plant height and productivity than the red spinach varieties, but the red spinach produced better leaf area and a number of leaves per plant at harvest than the green spinach. The White Leaf variety is the excellent spinach variety because it has a high percentage of green leaf color, large leaf area, and high productivity.

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The production of Physalis spp. seedlings grown under different-colored shade nets

Acta Scientiarum Agronomy ◽

10.4025/actasciagron.v38i2.27893 ◽

2016 ◽

Vol 38 (2) ◽

pp. 257 ◽

Cited By ~ 3

Author(s):

Daniel Fernandes da Silva ◽

Rafael Pio ◽

Joyce Dória Rodrigues Soares ◽

Paulyene Vieira Nogueira ◽

Pedro Maranha Peche ◽

...

Keyword(s):

Leaf Area Index ◽

Leaf Area ◽

Block Design ◽

Dry Mass ◽

Additional Treatment ◽

Light Spectrum ◽

Treatment Control ◽

Area Index ◽

Randomized Block Design ◽

Number Of Leaves

The objective of this study was to evaluate the production of seedlings of Physalis L. species under different-colored shade nets. Four shade nets individually stained white, blue, red and black, all with 50% shading, were used in this study, and an additional treatment (control) was used in which seedlings were grown in full sun. The study examined four species of Physalis, namely, P. peruviana, P. pubescens, P. minima and P. ixocarpa. The experiment followed a randomized block design with three blocks and 25 seeds per plot. The species were sown in styrofoam trays. Germination was monitored daily to calculate the Emergency Velocity Index (EVI) and stabilize the overall percentage of emergence. Height, stem diameter, number of leaves, leaf area index and dry mass of seedlings were assessed at 50 days after sowing. The study found that these species react differently to changes in the light spectrum. Seedlings of P. peruviana should be grown under a white or red shade net; of P. pubescens under a white or black shade net; of P. minima under a white, red or black shade net; and of P. ixocarpa under a white shade net. For all species, 50% shade should be used.

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Efeito da adubação nitrogenada na formação de mudas de goiabeira irrigadas com águas salinizadas

Revista Verde de Agroecologia e Desenvolvimento Sustentável ◽

10.18378/rvads.v10i4.3735 ◽

2015 ◽

Vol 10 (4) ◽

pp. 42 ◽

Cited By ~ 1

Author(s):

E. M. Silva ◽

R. G. Nobre ◽

L. P. Souza ◽

F. W. A. Pinheiro ◽

A. B. A. Andrade

Keyword(s):

Electrical Conductivity ◽

Leaf Area ◽

Plant Height ◽

Irrigation Water ◽

Nitrogen Fertilization ◽

Block Design ◽

Dry Mass ◽

Experimental Unit ◽

Randomized Block Design ◽

Irrigation Water Salinity

Além de favorecer o desenvolvimento e a produção das culturas, a adubação tem sido considerada uma técnica capaz de reduzir o efeito da salinidade nas plantas. Neste sentido, desenvolveu-se o trabalho para avaliar a influência de doses de nitrogênio na formação de mudas de goiabeira cv. Paluma irrigadas com águas de diferentes salinidades. O experimento foi desenvolvido em casa de vegetação do Centro de Ciências e Tecnologia Agroalimetar da UFCG, Pombal, PB com delineamento experimental em blocos casualizados, em esquema fatorial 5 x 4, sendo os tratamentos correspondentes aos níveis de condutividade elétrica da água (CEa) de 0,3; 1,1; 1,9; 2,7 e 3,5 dS m-1 associados a 70, 100, 130 e 160% da dose recomendada de nitrogênio (N) para mudas de goiabeira cv. Paluma, com quatro repetições, e cinco plantas por unidade experimental. Aos 180 dias após a emergência, a adubação nitrogenada na dose de 773 mg de N dm-3 reduz o efeito da salinidade da água de irrigação sobre o diâmetro do caule das mudas. As plantas adubadas com as doses variando de 541 a 618,4 mg de N dm-3 atingem maior crescimento em altura de planta, número de folhas e área foliar. A área foliar e a massa seca total de mudas de goiabeira atingem maiores valores no nível de CEa de 1,3 dS m-1.Effect of nitrogen fertilization in the formation of guava seedlings irrigated with salted waterAbstract: In addition to favoring the development and production of crops, the fertilizer has been considered a technique capable to reduce the effect of salinity on plants. The experiment was conducted in a greenhouse of the ‘Centro de Ciências e Tecnologia Agroalimentar’ of UFCG, Pombal, PB in a randomized block design a 5 x 4 factorial, with the treatments corresponding to the electrical conductivity of irrigation water (ECw) 0.3; 1.1; 1.9; 2.7 and 3.5 dS m-1 associated with doses of 70, 100, 130 and 160% of recommended nitrogen (N) for guava seedlings Paluma, with four replications, using five plants per experimental unit. At 180 days after emergence, the nitrogen fertilization at a dose of 773 mg N dm-3 reduces the effect of irrigation water salinity on the stem diameter of seedlings. The plants fertilized with doses ranging from 541 at 618.4 mg of the N dm-3 reach higher growth in plant height, leaf number and leaf area. The leaf area and total dry mass of guava seedlings reach higher values at the ECw level of 1.3 dS m-1.

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Growth Response of Local Cassava to Cutting Models and the Number of Buds

Caraka Tani Journal of Sustainable Agriculture ◽

10.20961/carakatani.v36i2.37746 ◽

2021 ◽

Vol 36 (2) ◽

pp. 379

Author(s):

Tri Mulya Hartati ◽

Chumidach Roini ◽

Indah Rodianawati

Keyword(s):

Leaf Area ◽

Plant Height ◽

Growth Parameters ◽

Block Design ◽

Stem Diameter ◽

Food Sources ◽

Local Varieties ◽

Average Value ◽

Randomized Block Design ◽

Number Of Leaves

Cassava is one of the local food sources that are widely available in almost every region. Cuttings are used to plant cassava, and these cuttings will produce a number of roots and buds. The main purpose of this study was to evaluate the effect of cuttings slices model and the number of buds on the growth of Tobelo local varieties of cassava. This study employed a factorial Randomized Block Design (RBD), with the cuttings slices model as the first factor, consisting of three levels, namely: flat slice, one-sided slice and two-sided slice. The second factor is the number of buds, which is divided into three levels, 1 bud, 2 buds and 3 buds. The observation parameters in this study include plant height, number of leaves, stem diameter and leaf area. The results have revealed that the model of two-sided sliced cuttings combined with the number of one bud is the most effective treatment in improving the growth of cassava plants of Tobelo local varieties. The models of one-sided and two-sided oblique cuttings slices yield the highest average value for the parameters of plant height, stem diameter and leaf area, while the treatment with one bud tends to give the best results for the growth parameters.

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The Effect of Shallot Extract and Auxin-Plant Growth Regulators on the Growth of Mucuna bracteata D.C.

AGRINULA: Jurnal Agroteknologi dan Perkebunan ◽

10.36490/agri.v4i2.164 ◽

2021 ◽

Vol 4 (2) ◽

pp. 130-138

Author(s):

Silvana Prameswari ◽

Bayu Pratomo

Keyword(s):

Plant Growth ◽

Growth Regulators ◽

Growth Regulator ◽

Oil Palm ◽

Plant Growth Regulator ◽

Block Design ◽

Distilled Water ◽

Survival Percentage ◽

Randomized Block Design ◽

Number Of Leaves

Introduction: This study aims to obtain concentration of shallot extract (Allium cepa ) and growth regulators to increase growth of Mucuna bracteata. Mucuna is a land cover plant that must be planted in oil palm plantation areas. It is very important to be able to cover the planting area. Materials and Methods: This study used two factorial in randomized block design. The first was concentration of shallot extract per 100 ml distilled water consists of 4 levels, such as control (B0), 10 cc (B1), 20 cc (B2), 30 cc (B3) and the second was the auxins-plant growth regulator consists of 4 levels: Control (G0), 100 ppm (G1), 200 ppm (G2), 300 ppm (G3). Data analyzed with ANOVA with a significant 5% and continued with the DMRT using SAS version 9.1.3. Results: It was found that effect of concentration of shallot extract had a significant effect on survival percentage of Mucuna bracteata at a concentration of 10 cc (B2) after opening the lid at four weeks after planting (WAP) and did not change until 8 WAP. Likewise, the number of leaves at the control concentration (B0) at the age of 6 WAP, and a concentration of 10 cc (B1) at the age of 7-8 WAP. The concentration of growth regulators and their interactions did not significantly affect the survive percentage and number of leaves in Mucuna bracteata.

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RESPON PERTUMBUHAN DAN HASIL TANAMAN JAGUNG PULUT (Zea mays ceratina Kulesh) PADA BERBAGAI JARAK TANAM DALAM BARIS

AGRICA ◽

10.37478/agr.v12i1.12 ◽

2019 ◽

Vol 12 (1) ◽

pp. 59-70

Author(s):

Clemens Pati Nai ◽

Kristono Yohanes Fowo

Keyword(s):

Zea Mays ◽

Leaf Area ◽

Plant Height ◽

Population Regulation ◽

Block Design ◽

Growth And Yield ◽

Randomized Block Design ◽

Optimal Population ◽

Number Of Leaves

Corn is an important commodity after rice. The need for corn continues to increase every year. It is necessary to increase production, one of them through the use of varieties and optimal population regulation (spacing). This study aims to determine the growth and yield of Pulut (Zea Mays Ceratina Kulesh) F1 Kumala varieties a various spacing in rows. This research was arranged in a Randomized Block Design (RCBD) with the treatments used: J1 = 40 cm x 40 cm, J2 = 50 cm x 40 cm, J3 = 60 cm x 40 cm, J4 = 70 cm x 40 cm, and J5 = 80 cm x 40 cm. The variables observed were plant height, number of leaves, leaf area, the weight of cob without kilobit per plant, the weight of cob without kilobit per ha, ear diameter, ear length, ear weight 100 seeds, and weight of seeds of the crop. The results showed that 70 cm x 40 cm spacing gave a very significant effect. On leaf area (21.85%), the weight of cob without cornhusk per plant (16.76%), ear diameter (4.80%), length cob (10.79%), the weight of 100 seeds (9.18%) and weight of crop seeds (14.97%).

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N:K RATIO FOR PHENOLOGICAL GROWTH STAGES OF NET MELON CULTIVATED IN NFT HYDROPONIC SYSTEM1

Revista Caatinga ◽

10.1590/1983-21252020v33n112rc ◽

2020 ◽

Vol 33 (1) ◽

pp. 108-115

Author(s):

CAMILA SENO NASCIMENTO ◽

CAROLINA SENO NASCIMENTO ◽

ARTHUR BERNARDES CECÍLIO FILHO

Keyword(s):

Leaf Area ◽

Growth And Development ◽

Block Design ◽

Dry Mass ◽

Reproductive Stage ◽

Vegetative Stage ◽

Growth Stages ◽

Second Stage ◽

Randomized Block Design ◽

Number Of Leaves

ABSTRACT The adequate ratio in the supply of nitrogen (N) and potassium (K) for each phenological growth stage of melon is fundamental for its growth and development with the maximization of the dry mass partition between the vegetative and reproductive parts. The objective of this study was to evaluate the influence of N and K concentrations in two phenological growth stages (vegetative and reproductive stage) of melon and obtain the best N:K ratio for each one. In the first stage, four concentrations of N (8, 11, 14 and 17 mmol L-1) and two concentrations of K (4 and 5 mmol L-1) were evaluated in a randomized block design in a 4 × 2 factorial scheme with five replicates. In the second stage, in a 2 × 2 factorial scheme, the combinations of the two concentrations of N that generated the best characteristics in the previous stage and two concentrations of K (4.5 and 9.0 mmol L-1) were evaluated. The increase of the N concentration in the vegetative stage promoted the increase of the N, P and S content of leaves and the reduction of K, Ca and Mg. Moreover, it increased the number of leaves, the height of the plant (vertically tutored) and the leaf area. Therefore, 17:5 mmol L-1 was considered as the best N:K ratio for the vegetative stage. In the second stage, there was no effect of N and K concentrations on leaf area, yield and fruit quality. So, 14:4.5 mmol L-1 was considered as the best N:K ratio for the reproductive stage.

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PENGARUH DOSIS PUPUK NPK MUTIARA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KACANG HIJAU (Phaseolus radiatus L.)

AGRICA ◽

10.37478/agr.v7i1.402 ◽

2020 ◽

Vol 7 (1) ◽

pp. 45-56

Author(s):

Murdaningsih Murdaningsih

Keyword(s):

Leaf Area ◽

Plant Height ◽

Block Design ◽

Dry Weight ◽

Growth And Yield ◽

Fresh Weight ◽

Green Beans ◽

Randomized Block Design ◽

Number Of Leaves ◽

Npk Fertilizer

This study aims to determine the effect of NPK Mutiara fertilizer dose on the growth and yield of green beans and determine the optimum dosage of NPK Mutiara fertilizer that can deliver growth and yield optimal green beans. The design used in this study is a randomized block design with treatments used were N0 (without fertilizer NPK NPK 0 kg ha-1 or 0 g plot-1), N1 (NPK fertilizer 125 kg ha-1 or 25 g plot-1), N2 (NPK fertilizer 250 kg ha-1 or 50 g plot-1), N3 (NPK fertilizer 375 kg ha-1 or 75 g), N4 (NPK 500 kg ha-1 or 100 g plot-1). Variable observation in this study was plant height, number of leaves, leaf area, number of pods tan-1 fresh weight stover tan-1, the dry weight of stover tan-1, the dry weight of stover ha-1 dry weight of seed tan-1, heavy ha-1 dry beans, dry weight of 100 seeds. The results showed that treatment of NPK fertilizer dose of 500 kg ha-1 very significant effect on plant height of 27.75 cm, leaf number 8 strands, leaf area 357.78 cm2, Total pods 19.65, fresh weight stover tan-1 96, 25 g, dry weight of stover tan-1 76.00 g, stover dry weight ha-1 19.00 tons, dry weight of seed tan-1 5.36-gram dry weight seed ha-1 1.34 tonnes, the weight of 100 seeds 2.62 gr.

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The effect of organic fertilizers on growth several varieties of soybeans

IOP Conference Series Earth and Environmental Science ◽

10.1088/1755-1315/883/1/012051 ◽

2021 ◽

Vol 883 (1) ◽

pp. 012051

Author(s):

M Rizwan ◽

M Dalimunthe ◽

I A Pasaribu ◽

H Satriawan

Keyword(s):

Leaf Area ◽

Plant Height ◽

Block Design ◽

Organic Fertilizer ◽

Organic Fertilizers ◽

Chicken Manure ◽

Soybean Plant ◽

Randomized Block Design ◽

Number Of Leaves ◽

Number Of Branches

Abstract This study aims to analyse the effect of three types of organic fertilizers on the vegetative growth several varieties of soybeans. This study used a factorial randomized block design with two treatment factors, namely organic fertilizers and varieties. The first factor is: organic fertilizer from 3 levels, namely: K1 (1.5 kg of compost), K2 (1.5 kg of goat manure), and K3 (1.5 kg of chicken manure). The second factor is: soybean plant varieties consist of 4 levels, namely: V1 (Dena 1), V2 (Devon 1), V3 (Anjasmoro) and V4 (Derap 1). The parameters observed were plant height, number of branches, number of leaves, amount of chlorophyll, leaf area, and flowering age. The results of our research is organic fertilizers have a significant effect and are able to increase the growth of soybean plants except for leaf area and flowering age. Types of varieties had a significant effect and were able to increase plant height, number of branches, leaf area, and flowering age, but had no significant effect on the parameters of the number of leaves and the amount of chlorophyll. Moreover, there isn't interaction effect between the two treatments for all parameters.

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