scholarly journals Growth Response of Peppermint (Mentha piperita L.) Stem Cuttings on Several Composition of Planting Media

2018 ◽  
Vol 1 (2) ◽  
pp. 187-192 ◽  
Author(s):  
Rio Ramadhan Butar Butar ◽  
Ferry Ezra Sitepu ◽  
Yaya Hasanah
Keyword(s):  
Palm Oil ◽  
Growth Response ◽  
Block Design ◽  
Dry Weight ◽  
Chicken Manure ◽  
Mentha Piperita ◽  
Stem Cuttings ◽  
Root Volume ◽  
Empty Fruit Bunches ◽  
Top Soil

Planting media is one of the keys to success in cultivating peppermint to produce the optimal growth. The objective of the research is to determine the growth response of peppermint stem cutting on composition of planting media. The research was conducted at the research field of the Faculty of Agriculture, Universitas Sumatera Utara, Medan on August to October 2017 using non factorial randomized block design consisted of composition of planting media (top soil ; top soil + biochar (3:1); top soil + chicken manure (3:1); top soil + empty fruit bunches of palm oil compost (3:1); top soil + empty fruit bunches of palm oil compost + chicken manure (2:1:1); top soil + biochar + chicken manure (2:1:1); top soil + biochar + empty fruit bunches of palm oil compost (2:1:1). The results show that the composition of planting media was significantly effect of the percentage of cutting grows, number of shoots, length of shoots, root volume and number of leaves. Top soil: EFB of palm oil (3: 1) the best treatment because it increases the percentage of cutting growth, root volume, dry weight and root dry weight.

scholarly journals Pengaruh Bahan Perbanyakan Tanaman dan Jenis Pupuk Organik Terhadap Pertumbuhan Tanaman Binahong (Anredera cordifolia (Ten.) Steenis)

2012 ◽  
Vol 2 (1) ◽  
pp. 6 ◽  
Author(s):  
Dan Baskoro ◽  
Bambang S. Purwoko
Keyword(s):  
Plant Height ◽  
Block Design ◽  
Organic Fertilizer ◽  
Dry Weight ◽  
Chicken Manure ◽  
Stem Cuttings ◽  
Cow Manure ◽  
Plant Propagation ◽  
Affected Plant ◽  
Propagation Material

<p>This research was aimed at studying the effect of plant propagation material and organic fertilizer on Anredera cordifolia [Ten.] Steenis growth. The experiment was conducted at the Sawah Baru Experimental Field, IPB from March to June 2010. This study was laid out in a factorial randomized block design consisting of two factors. The first factor was the plant material i.e. two types of planting materials, root rhizome and stem cuttings with leaves. The second factor was the type of organic fertilizer i.e. without fertilizer as the control, combination of soil and organic fertilizer 1:1 (v/v), i.e. compost, cow manure, and chicken manure. The result showed that stem cutting gave higher plant height, leaf number and width and number of branches. Treatment of planting medium significantly affected plant height, number and width of leaf, fresh and dry weight of roots, stems and total weight of fresh leaf. Cow manure gave the best effect. Interaction of plant propagation material and organic fertilizer only significantly affected plant height at 2 Week After Planting (WAP) and root dry weight. Stem cuttings is a better plant propagation material on all types of organic fertilizer than rhizome.</p><p><br />Key words:organic fertilizer type, propagation materials, Anredera cordifolia</p>

scholarly journals Root Morphology of Eight Hybrid Oil Palms Under Iron (Fe) Toxicity

2016 ◽  
Vol 1 (1) ◽  
pp. 013
Author(s):  
Aprilia Ike Nurmalasari ◽  
Eka Tarwaca Susila Putra ◽  
Prapto Yudono
Keyword(s):  
Growth Rate ◽  
Root Growth ◽  
Surface Area ◽  
Root Morphology ◽  
Block Design ◽  
Dry Weight ◽  
Root Volume ◽  
Oil Palms ◽  
Fe Toxicity ◽  
Root Growth Rate

The research aims to study the change of morphology root characters of eight hybrid oil palms under iron toxicity (Fe). Field experiment done in arranged in a Randomized Complete Block Design (RCBD) two factors and three blocks as replications. The first factor was Fe concentration. It consists of two levels which are concentration 0µ.g-1 and concentration 600 µg.g-1 Fe. The second factor is the hybrid of oil palms which consists of eight hybrid oil palms as Yangambi, Avros, Langkat, PPKS 239, Simalungun, PPKS 718, PPKS 540 and Dumpy. Fe was applied by pouring FeSO4 solvent for 600 µg.g-1 500 ml.-1plant.-1day-1 on two months of plants after transplanting in the main nursery. Data were collected on root morphology and plant dry weight The data were analysis of variance (ANOVA) at 5% significanly, followed by Duncan's multiple range test (DMRT). The relationships by among variables were determined by correlation analysis. The results showed that Fe concentration 600 µg.g-1 inhibits relatively root growth rate, narrows surface area, reduces the diameter, and shrinks root volume of all hybrid oil palms tested. The slowing relatively root growth rate, narrowing of root surface area and root diameter also root volume shrinkage due to Fe stress. It was also shown that the dry weight of plants was inhibit by existing of Fe toxicity.

Application of Potassium Fertilizer and Chicken Coop Fertilizer Against Growth and Production of Shallots (Allium ascalanicum L.)

Nabatia ◽  
2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Andy Pradana ◽  
Al Machfudz WDP
Keyword(s):  
Growth Phase ◽  
Vegetative Growth ◽  
Growth Parameters ◽  
Block Design ◽  
Dry Weight ◽  
Chicken Manure ◽  
Fertilizer Treatment ◽  
Potassium Fertilizer ◽  
Wet Weight ◽  
Number Of Leaves

This study aims to determine the application of potassium fertilizer and chicken manure to the growth and production of shallots (Allium ascalanicum L.). The study used a randomized block design with 2 factors repeated 3 times. Factor 1: Potassium Fertilizer 40,60,80 kg/ha. Factor 2: Chicken Manure 5,10,15 tons/ha. The results showed that the application of potassium fertilizer and chicken manure did not interact with either the growth phase or the production phase of the plant on all observation variables, while the potassium fertilizer treatment showed significantly different results only on the plant vegetative growth parameters, namely the number of leaves at the age of 7 days after planting, namely ( 8,111 strands), while the vegetative phase had no significant effect on the number of tubers per clump, wet weight of tubers per clump, wet weight of tubers per plot, dry weight of sun-dried tubers per clump, and dry weight of sun-dried tubers per plot. While the treatment of chicken manure had a significant effect on the vegetative growth phase of plants, namely the length of plants at 28 DAP (30.278 cm) and 35 DAP (32.704 cm), on the number of leaves at 7 DAP (8,000 strands). While the generative phase (60 DAP) significantly affected the number of tubers per clump, namely (5,889 grams), wet weight of tubers per clump (38,333 grams), wet weight of tubers per plot (319,000 grams), dry weight of sun-dried tubers per clump. namely (23.074 grams), and the dry weight of sun-dried tubers per plot (191.889 grams).

scholarly journals Respon Pertumbuhan Kelapa Sawit (Elaeis Guineensis Jacq.) Varietas Dyxp Dumpy pada Kondisi Stres Air di Pembibitan Awal

2018 ◽  
Vol 3 (1) ◽  
pp. 17
Author(s):  
Wagino Wagino ◽  
Sri Murti Tarigan ◽  
Eka Bobby Febrianto
Keyword(s):  
Plant Height ◽  
Oil Palm ◽  
Root Length ◽  
Stomatal Density ◽  
Block Design ◽  
Dry Weight ◽  
Base Diameter ◽  
Root Volume ◽  
Root Dry Weight ◽  
Wet Weight

<p>Global climate exchange especially rainfallspurs the growth of oil palm adapt to environmental conditions, so the development of oil palm plantations requires seeds that are able to adapt well in drought conditions.This study aims to determine whether water stress affects the growth of oil palm seedlings and sees the response of the level of resistance of oil palm seeds to drought stress.This research was carried out in the greenhouse garden experiment Medan STIPAP was conducted from January to June 2018. This study used Non-factorial Randomized Block Design (RBD), which consisted of 3 levels, 3 samples and 3 replications. Parameters to be observed were plant height, stem base diameter, leaf number, root wet weight, root dry weight, plant wet weight, plant dry weight, root volume, root length, stomatal density and number of stomata.The results showed that the difference in giving A1 water (100%) was significantly different from A2 (60%) and A3 (20%) on the parameters of oil palm seedling growth especially for the parameters of plant height, root wet weight, root dry weight, plant wet weight, plant dry weight, root volume, and root length while the base diameter of the stem, number of leaves, stomatal density and number of stomata give no significant effect. Drought stress effected to reduce the growth of stem diameter.</p>

scholarly journals Effects of Trichoderma longibrachiatum (NGJ167) and compost on early growth of Bougainvillea spectabilis

2020 ◽  
Vol 26 (4) ◽  
pp. 614-620
Author(s):  
Ajisafe Gbenga Adebayo ◽  
Kehinde Titilope Kareem ◽  
Mosunmola Tosin Olatunji ◽  
Adekemi Olubukola Shokalu ◽  
Henry Akinkunmi Akintoye ◽  
...  
Keyword(s):  
Dry Weight ◽  
Early Growth ◽  
International Institute ◽  
Stem Cuttings ◽  
Higher Plant ◽  
Trichoderma Longibrachiatum ◽  
Shoot Dry Weight ◽  
Randomized Design ◽  
Top Soil ◽  
Bougainvillea Spectabilis

Abstract Bougainvillea spectabilis is an ornamental plant grown in both temperate and tropical zones. They are primarily propagated by stem cuttings; however, difficulty in growth at early stages occurs routinely, causing barrier for its mass propagation. This study was conducted to study the effects of integrating compost with Trichoderma longibrachiatum (NGJ167), in improving the early growth of Bougainvillea spectabilis. Trichoderma longibrachiatum (NGJ167) used for this purpose was obtained from the Bioscience Center, International Institute of Tropical Agriculture (IITA), Ibadan. One hundred and twenty (120) pots were filled with 5 kg top soil each from an alfisol. Treatments included: Top soil as Control (C), Top soil inoculated with T. longibrachiatum (T), Top soil + compost at 5, 10 and 15 t ha-1 as C1, C2, C3 respectively, Top soil inoculated with T. longibrachiatum + compost at 5, 10 and 15 t ha-1 as C1T, C2T, C3T respectively. The eight treatments were arranged in a completely randomized design (CRD) and replicated three times. Results indicated that integrated use of compost with Trichoderma significantly (p < 0.05) had higher growth values than the control. Higher plant height, stem diameter, number of branches and number of leaves, were recorded with the use of compost at 10 t ha-1 compared to control. Compost with Trichoderma gave higher shoot dry weight compared to treatments of compost alone. In conclusion, use of compost alone or inoculated with Trichoderma had significant effect on early growth and development of Bougainvillea spectabilis.

scholarly journals Vegetative Propagation of Mountain Fly Honeysuckle (Lonicera villosa) by Overhead Mist and Subirrigation

HortScience ◽  
2019 ◽  
Vol 54 (5) ◽  
pp. 916-919
Author(s):  
Darren J. Hayes ◽  
Bryan J. Peterson
Keyword(s):  
Root Formation ◽  
Dry Weight ◽  
Adventitious Root Formation ◽  
Organic Soils ◽  
Stem Cuttings ◽  
System Quality ◽  
Root Tips ◽  
Root Volume ◽  
Root Dry Weight ◽  
Propagation Medium

We assessed adventitious root formation on stem cuttings of mountain fly honeysuckle [Lonicera villosa (Michx.) Schult.] in separate experiments using overhead mist and subirrigation systems. The concentration of applied potassium salt of indole-3-butyric acid (K-IBA) and the proportions of coarse perlite and milled peatmoss in the propagation medium were varied within both systems. Across treatments, 98% of cuttings in the overhead mist system and 85% of cuttings in the subirrigation system produced roots. In the overhead mist system, root volume, root dry weight, and number of root tips were greatest among cuttings treated with 4000 to 12,000 mg·L−1 K-IBA and stuck into 100% perlite. In the subirrigation system, root dry weight was not significantly affected by K-IBA concentration, but the greatest root volume and number of root tips were produced by cuttings treated with 8000 or 12,000 mg·L−1 K-IBA and stuck into 100% perlite. Despite the natural affinity of mountain fly honeysuckle for moist, organic soils, all of the 18 rooted cuttings we planted in a landscape trial survived and grew appreciably with minimal care over 2 years in a mineral field soil. We conclude that cuttings of mountain fly honeysuckle can be propagated readily by overhead mist or subirrigation, that root system quality is improved substantially by increasing K-IBA concentration and using coarse perlite without peatmoss, and that mountain fly honeysuckle can be grown in typical horticultural landscapes.

scholarly journals Peningkatan Produktivitas Lahan Gambut melalui Teknik Ameliorasi dan Inokulasi Mikroba Pelarut Fosfat

Jurnal Agro ◽  
10.15575/76 ◽  
2014 ◽  
Vol 1 (1) ◽  
pp. 1-13
Author(s):  
Ida Nur Istina ◽  
Benny Joy ◽  
Aisyah D Suyono
Keyword(s):  
Palm Oil ◽  
Agricultural Development ◽  
Block Design ◽  
Peat Soil ◽  
Dry Weight ◽  
Nutrient Content ◽  
P Uptake ◽  
Leaf Length ◽  
P Availability ◽  
Phosphate Solubilizing

Keterbatasan lahan potensial menyebabkan perluasan areal pertanian mengarah pada lahan gambut. Kendala pengembangan lahan gambut adalah rendahnya kandungan hara tersedia bagi tanaman. Fosfat (P) merupakan salah satu unsur hara makro yang penting untuk pertumbuhan dan produksi tanaman, disisi lain ketersediaan hara ini pada lahan gambut terbatas karena ikatan asam organik dan sifat yang mudah tercuci. Penelitian untuk menguji pengaruh ameliorasi dan inokulasi mikroba pelarut fosfat terhadap ketersediaan hara P di lahan gambut dilakukan di kebun pembibitan kelapa sawit petani di Riau dari Oktober 2013 - Maret 2014, menggunakan Rancangan Acak Kelompok pola Faktorial dengan 30 kombinasi perlakuan dan 3 kali ulangan. Variabel yang diamati meliputi : tinggi tanaman, lingkar batang, jumlah daun, lebar daun, panjang daun, kandungan hara tanaman, dan bobot biomasa bibit setelah 5 bulan di pembibitan. Hasil penelitian menunjukkan bahwa ameliorasi menggunakan kompos tandan kosong kelapa sawit mampu meningkatkan P tersedia, serapan P oleh batang dan akar, berat brangkasan dan berat kering batang. Sedangkan mikroba pelarut fosfat berpengaruh secara tidak nyata.The limitation of potential land leads agricultural development expansion to the peat soil area. Constrain of the peatland development is the low nutrient content that is required by plant. Phosphate is one of major growth and production limiting nutrient because of the solublelize of the organic acids and immobility The research was conducted from October 2013 – March 2014 at the farmer main nursery in Riau province to test the effect of amelioration and phosphate solubilizing microbe inoculation on P availability on palm oil seedling growth and production at peatland, used Randomized Block Design with 30 treatments and 3 replications. The parameters observed were plant height, leaf number, leaf width, leaf length, stem diameters, nutrient contents, also fresh and dry weight after 5 months at the main nursery. The result showed that palm oil empty fruit bunch compost as ameliorant increased P nutrient avaibility, P uptake, fresh and dry weight, whereas phosphate solubilizing microbe was unsignificant.

scholarly journals Kajian Pemberian Pupuk Kandang Ayam Pedaging dan Pupuk Hayati terhadap Pertumbuhan dan Hasil Petsai (Brassica chinensis L.)

2020 ◽  
Vol 2 (2) ◽  
pp. 77-88
Author(s):  
Jhon Hardy Purba ◽  
Putu Sri Wahyuni ◽  
Irwan Febryan
Keyword(s):  
Linear Relationship ◽  
Broiler Chicken ◽  
Block Design ◽  
Dry Weight ◽  
Chicken Manure ◽  
Growth And Yield ◽  
Randomized Block Design ◽  
Economic Weight ◽  
Four Levels ◽  
The Relationship

Abstract. This research aims to determine the effect of broiler manure doses and BiotamaxTM biofertilizers on growth and yield of Chinese cabbage in the Selat Village, Buleleng Regency, Bali from November - December 2018. The randomized block design (RBD) factorial, consisting of two factors was the experimental design used in this research. The first factor is the dose of broiler manure (A), composed of 3 levels, namely control (A0), a dose of 15 tons.ha-1 (A1), and 30 tons.ha-1 (A2). The second factor is the application frequency of biological fertilizers with four levels, namely control (B0) which was administered concurrently for seven days before planting at a dose of 0.09 g.plots-1. B1 with an administrative frequency of 7 and 14 days before and after planting (HST), respectively, with a dose of 0.045 g.plots-1. (B2) with a 3times administrative frequency of 7, 14, and 28 days before, after birth and after each dose of 0.03 g.plots-1 (B3). The results of the study, the frequency of giving BiotaMaxTM biological fertilizer at the same time, provided the heaviest oven-dry weight per crop, which was 9.39 g. The treatment of broiler chicken manure dose of 30 tons.ha-1 (A2), resulted in the best oven-dry weight canopy per plant at 9.26 g. The relationship between the dose of broiler chicken manure with canopy oven-dry weight per plant showed a linear relationship, namely y = 0.0608x + 7.2483 (R2 = 32.53). The best economic weight per hectare is obtained in the provision of 30 tons.ha-1 (A2) broiler manure, weighing 30.10 tons.ha-1. The relationship between the dose of broiler manure and economic weight per hectare shows a linear relationship, y = 0.3247x + 21.699 R² = 59.88%. The frequency of giving BiotaMaxTM biofertilizers at the same time is 7 days before planting at a dose of 0.09 g.plots-1 (B1) gave the heaviest economic weight per hectare, at 28.21 tons.ha-1. The combination of broiler chicken manure dose and the frequency of BiotaMaxTM biofertilizer gave no significant effect (p≥0.05) on the growth and yield of Chinese cabbage.Keywords: broiler manure, biofertilizer frequency, petsaiAbstrak. Penelitian yang bertujuan mengetahui pengaruh dosis pupuk kandang ayam pedaging dan pupuk hayati BiotamaxTM serta interaksinya terhadap pertumbuhan dan hasil petsai dilaksanakan di Desa Selat, Kabupaten Buleleng, Bali pada bulan November - Desember 2018. Rancangan percobaan yang digunakan adalah rancangan acak kelompok (RAK) faktorial, terdiri atas dua faktor. Faktor pertama adalah dosis pupuk kandang ayam pedaging (A), terdiri atas 3 tingkat, yaitu kontrol (A0), dosis 15 ton.ha-1 (A1), dan 30 ton.ha-1 (A2). Faktor ke dua adalah frekuensi pemberian pupuk hayati dengan empat tingkat, yaitu kontrol (B0), pemberian sekaligus yaitu 7 hari sebelum tanam dengan dosis 0,09 g.petak-1 (B1); frekuensi pemberian 2 kali yaitu 7 hari sebelum tanam dan 14 hari sesudah tanam (hst) dengan dosis setiap pemberian 0,045 g.petak-1 (B2); frekuensi pemberian 3 kali yaitu 7 hari sebelum tanam, 14 hst dan 28 hst dengan dosis setiap pemberian 0,03 g.petak-1(B3). Hasil penelitian, frekuensi pemberian pupuk hayati BiotaMaxTM sekaligus, memberikan berat kering oven tajuk per tanaman terberat, yaitu 9,39 g. Perlakuan dosis pupuk kandang ayam pedaging dosis 30 ton.ha-1 (A2), menghasilkan berat kering oven tajuk per tanaman terbaik yaitu 9,26 g. Hubungan antara dosis pupuk kandang ayam pedaging dengan berat kering oven tajuk per tanaman menunjukan hubungan linier, yaitu y = 0,0608x + 7,2483 (R2=32,53). Berat ekonomis per hektar terbaik didapatkan pada pemberian dosis pupuk kandang ayam pedaging 30 ton.ha-1 (A2), yaitu seberat 30,10 ton.ha-1. Hubungan antara dosis pupuk kandang ayam pedaging dan berat ekonomis per hektar menunjukan hubungan linier, yaitu y = 0,3247x + 21,699 R²=59,88%. Frekuensi pemberian pupuk hayati BiotaMaxTM sekaligus yaitu 7 hari sebelum tanam dengan dosis 0,09 g.petak-1 (B1) memberikan berat ekonomis per hektar terberat, yaitu 28,21 ton.ha-1. Kombinasi dosis pupuk kandang ayam pedaging dan frekuensi pemberian pupuk hayati BiotaMaxTM berpengaruh tidak nyata (p≥0,05) terhadap pertumbuhan dan hasil petsai.    Kata kunci: Pupuk Kandang Ayam Pedaging, Frekuensi Pupuk hayati, Petsai.

scholarly journals SOYBEAN GROWTH AND YIELD WITH APPLICATION OF PHOSPHATE FERTILIZER AND ORGANIC MATTER

2018 ◽  
Vol 1 (2) ◽  
pp. 68
Author(s):  
Lely Wahidah Nasution ◽  
Chairani Hanum ◽  
Hamidah Hanum
Keyword(s):  
Organic Matter ◽  
Block Design ◽  
Dry Weight ◽  
Phosphate Fertilizer ◽  
Soy Sauce ◽  
Growth And Yield ◽  
Empty Fruit Bunches ◽  
Shoot Dry Weight ◽  
Randomized Block Design ◽  
Effective Use

AbstractSoybean is useful for tofu, tempe, soy sauce and soy milk. The effective use of fertilizer and organic application can increase soybean productivity. The objective of this research was to study the growth and yield of various soybean varieties on application of phospate fertilizer and organic matter. This research was conducted in North Binjai and Research and Technology Laboratory Agriculture Faculty Universitas Sumatera Utara, Medan on May-September 2016. The method used Randomized Block Design with 3 factors. The first factor is soybean varieties consisting of: (Argomulyo, Dering, Dena, Kaba, Gema, Grobogan and Wilis), fertilization of phosphate (control and 150 kg/ha) and organic material application (control, Blotong 10 ton/ha and POEFBC/Palm Oil Empty Fruit Bunches Compost 10 ton / Ha). The results of this research showed that the seven varieties of soybean had characteristic differences on shoot dry weight, age of flowering, age of harvest, phospate uptake and dry weight of 100 seed. The longest flowering and harvesting age is obtained in Wilis, while the shortest age is Grobogan. The highest uptake of P in Argomulyo with treatment without organic matter and phospate fertilizer. Kaba variety with blotong treatment has the highest dry seed weight.Keywords : Organic Matter, Phosphate Fertilizer, Soybean Varieties

scholarly journals (126) Response of Six Begonia Species to Different Substrate EC

HortScience ◽  
2005 ◽  
Vol 40 (4) ◽  
pp. 1085D-1085
Author(s):  
Ka Yeon Jeong ◽  
Claudio Pasian ◽  
David Tay
Keyword(s):  
Growth Parameters ◽  
Block Design ◽  
Growth Parameter ◽  
Dry Weight ◽  
Maximum Growth ◽  
Stem Length ◽  
Stem Cuttings ◽  
Limited Information ◽  
Spad Value ◽  
Parameter Values

There is limited information on optimal substrate EC level for begonia species (noncultivated hybrids). The objective of this study was to evaluate the response of six species to different substrate EC in a greenhouse. Begonia albopicta, B. cucullata var. cucullata, B. echinosepala var. elongatifolia, B. holtonis, B. fuchsioides (red) and B. fuchsioides (pink) plants were propagated by stem cuttings, and transplanted into plastic pots using a soilless mix. Five concentrations (20, 80, 200, 400, and 600 mg·L-1 N) of 17–5–17 fertilizer were applied as irrigation water to derive the five substrate EC levels. This experiment was a factorial randomized complete-block design. Substrate EC was measured weekly using the PourThru method and averaged for each treatment of each species. Inflorescence number, the longest stem length, SPAD readings, leaf area, and dry weight of each plant were measured as growth parameters. There were significant responses to substrate EC level and species on begonia growth parameters. The highest growth parameters of B. albopicta and B. cucullata were obtained at EC 5.7 and 6.6 mS·cm-1, respectively. The maximum growth of B. echinosepala and B. holtonis was observed at 2.6 and 3.0 mS·cm-1, respectively. B. fuchsioides, grown at 1.2 mS·cm-1, had the best growth parameter values. As EC level increased, SPAD value for B. fuchsioides (pink) and B. holtonis also increased. The highest SPAD reading was observed at EC 3.7 mS·cm-1 for B. albopicta, EC 6.6 mS·cm-1 for B. cucullata, EC 2.6 mS·cm-1 for B. echinosepala, and EC 4.1 mS·cm-1 for B. fuchsioides (red). Plant mortality of several begonia species was observed when grown at EC value above 6.4 or below 4.4 mS·cm-1.

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