scholarly journals Seed Priming Boost Adaptation in Pea Plants under Drought Stress

Plants ◽  
2021 ◽  
Vol 10 (10) ◽  
pp. 2201
Author(s):  
Sally A. Arafa ◽  
Kotb A. Attia ◽  
Gniewko Niedbała ◽  
Magdalena Piekutowska ◽  
Salman Alamery ◽  
...  
Keyword(s):  
Bacillus Thuringiensis ◽  
Leaf Area ◽  
Plant Height ◽  
Dry Weight ◽  
Seed Priming ◽  
Relative Water ◽  
Number Of Leaves ◽  
The Individual ◽  
Pod Length ◽  
Carrot Extract

In the present investigation, we study the effect of Bacillus thuringiensis MH161336 (106–8 CFU/cm3), silicon (25 mL L−1), and carrot extract (75 mL L−1) as seed primers, individually or in combination, on morphological, physio-biochemical and yield components of drought-stressed pea plants (Master B) during 2019/2020 and 2020/2021 seasons. Our results indicated that drought causes a remarkable reduction in plant height, leaf area, number of leaves per plant, and number of flowers per plant in stressed pea plants during two seasons. Likewise, number of pods, pod length, seeds weight of 10 dried plants, and dry weight of 100 seeds were decreased significantly in drought-stressed pea plants. Nevertheless, seed priming with the individual treatments or in combination boosted the morphological, physio-biochemical, and yield characters of pea plants. The best results were obtained with the Bacillus thuringiensis + carrot extract treatment, which led to a remarkable increase in the number of leaves per plant, leaf area, plant height, and number of flowers per plant in stressed pea plants in both seasons. Moreover, pod length, number of seeds per pod, seeds weight of 10 dried plants, and dry weight of 100 seeds were significantly increased as well. Bacillus thuringiensis + carrot extract treatment led to improved biochemical and physiological characters, such as relative water content, chlorophyll a, chlorophyll b, regulated the up-regulation of antioxidant enzymes, increased seed yield, and decreased lipid peroxidation and reactive oxygen species, mainly superoxide and hydrogen peroxide, in drought-stressed pea plants.

scholarly journals PENGARUH KETERSEDIAAN AIR TERHADAP PERTUMBUHAN DAN PRODUKSI DUA KLON NILAM

2020 ◽  
Vol 10 (4) ◽  
pp. 159
Author(s):  
. EMMYZAR
Keyword(s):  
Leaf Area ◽  
Plant Height ◽  
Water Availability ◽  
Oil Content ◽  
Dry Weight ◽  
Optimum Growth ◽  
Effect Of Water ◽  
Pogostemon Cablin ◽  
Growth Production ◽  
Number Of Leaves

<p>Tanaman nilam tumbuh dan berproduksi dengan baik pada daerah dengan curah hujan relatif tinggi dan merata sepanjang tahun. Tanaman dalam kondisi kekurangan air terus menerus akan mengalami strcs air dan berpengaruh terhadap proses fisiologis, menurunkan permukaan trans- pirasi, luas daun menurun, dan mempercepat dcfiidrasi protoplasma. Penelitian pengaruh ketersediaan air terhadap petumbuhan dan produksi 2 (dua) klon nilam dilakukan di rumah kaca Instalasi Penelitian Cimanggu, Balittro Bogor mulai bulan Nopember 1999 sampai dengan Mei 2000. Penelitian ini betujuan untuk mengetahui pengaruh ketersediaan air terhadap partumbuhan dan produksi dua klon nilam (klon Sidikalang dan klon Situak) sekaligus diamati pengaruhnya terhadap kadar dan kualitas minyak nilam (rendemen, warna dan kandungan patchouly alkohol). Percobaan dilakukan dalam polibag menggunakan tanah kering jenis latosol Cimanggu Bogor yang diaduk dengan pupuk kandang sapi (3:1) sebanyak 10 kg/polibag disusun menggunakan rancangan factorial (dua faktor) dalam rancangan acak lengkap (RAL), diulang 3 kali. Ukuran plot 8 polibag/ perlakuan. Faktor pertama : klon nilam terdiri dari 2 jenis (K) yaitu : Kl = klon Sidikalang dan K2 = klon Situak. Faktor kedua: tingkat ketersediaan air (A) 4 taraf yaitu Al = 25% kapasitas lapang, A2 = 50% kapasitas lapang, A3 = 75% kapasitas lapang, dan A4 = 100 % kapasitas lapang. Peubah yang diamati meliputi persentase tumbuh tunas, tinggi tanaman, luas daun, bobot daun basah dan bobot daun kering, kadar minyak digambarkan dari rendemen dan kualitas minyak (wana dan kandungan patchouly alkohol). Hasil penelitian menunjukkan bahwa untuk jumlah tunas tidak ada interaksi antara tingkat ketersediaan air dan klon yang diuji, tetapi untuk jumlah daun ada interaksi. Tingkat pemberian air 75% kapasitas lapang (KL) secara keseluruhan memberikan pertumbuhan optimum bagi kedua klon, kecuali untuk parameter jumlah daun. Pada klon Situak. tingkat pemberian air 100% KL yang memberikan jumlah daun terbanyak. Perlakuan ketersediaan air 100% KL pada klon Sidikalang memberikan bobot daun kering tetinggi dibanding perlakuan lainnya, sedang untuk klon Situak, ketersediaan air pada taraf 75% KL memberikan bobot daun kering tetinggi. Rendemen minyak klon Situak dengan tingkat ketersediaan air 25% KL tertinggi (4.0%) dengan wana minyak kuning muda tcrang, diikuti tingkat 50% KL (3.0%) dengan wana minyak kusam/kemh. Kandungan patchouly alkohol klon Situak rata-rata (30%) lebih baik daripada klon Sidikalang, diperoleh dari perlakuan ketersediaan air 25% KL. Dapat disimpulkan bahwa untuk memperoleh petumbuhan dan produksi yang tinggi, ketersediaan air dalam tanah diperlukan antara 75 - 100% KL. Namun, untuk mendapatkan kandungan patchouly alkohol tinggi ketersediaan air yang dibutuhkan lebih rendah yaitu 25 % - 50%) KL.</p><p>Kata kunci: Nilam, Pogostemon cablin, ketersediaan air, petumbuhan, produksi</p><p> </p><p><strong>ABSTRACT</strong></p><p><strong>The effect of water availability the growth and production of two patchouly clones </strong></p><p>Patchouly plant grows and produces very well in the area with high and everly rain fall through the year. Plants with continuous shortage of water would face water stress and affect physiologis process, transpiration surface, leaf area and protoplasmic dehydration. Several levels of water needs were tested in this experiment, which was carried out in a glass house of Cimanggu Installation, Indonesian Spice and Medicinal Crops Research Institute, Bogor, rom November 1999 to May 2000. The objective was to find out the effect of water availability on two clones of patchouly growth, production and oil content (rendement, colour and patchouly alcohol). The experiment was conducted in polybags using Cimanggu Latosol soil mixed with cow dung (3:1), 10 kg/polybag, arranged in a factorially completely random design with 3 replications. Plot size was 8 polybag/treatment. The first factor was two clones of patchouly : K, = Sidikalang and K2 = Situak. The second factor was 4 levels of water availability: 2J% (A,), 50% (A2). 75% (A,), and 100% (A,) ield capacity (FC). Variables observed were percentage of shoot growth, plant height, leaf area, fresh weight and dry weight, oil content (rendement, colour and patchouly alcohol). The result showed that there was no interaction between the two factors for number of shoots. Clone of Sidikalang had higher plant height than that of Situak. The water availability of 75% (FC) gave optimum growth for the two clones, except the number of leaves. For Situak the water avaibility of 100% (FC) gave the highest number of leaves. For Sidikalang the water availability of 100% gave the highest dry weight of leaves. Oil rendement for Situak with 25% FC was the highest (4.0) with bright yellow colour. The content of patchouly alcohol for Situak was higher than that of Sidikalang (30%). Therefore, it can be concluded that to obtain the optimum growth and the higest production it needed 75 - 100% (FC) water availability, while for high patchouly alcohol content, it needed buzer the water availability, i.e. 25-50% (FC).</p><p>Key words: Patchouli, Pogostemon cablin, water level, growth, production</p>

scholarly journals Effect of water hyacinth compost on the morpho-physiological parameters of Soybean (Glycine max l.)

2021 ◽  
Vol 2 (1) ◽  
pp. 084-095
Author(s):  
Ogbuehi HC ◽  
Ibe PK
Keyword(s):  
Glycine Max ◽  
Leaf Area ◽  
Plant Height ◽  
Water Hyacinth ◽  
Seed Weight ◽  
Dry Weight ◽  
Effect Of Water ◽  
Shoot Dry Weight ◽  
Glycine Max L ◽  
Number Of Leaves

A pot experiment was conducted under rainfed condition to study the effect of water hyacinth compost on the morpho-physiological parameters of soybean (Glycine max L.) at the Teaching and Research Farm of Faculty of Agriculture and Veterinary Medicine, Imo State University, Owerri. The treatments were control (T1) 100g (T2), 150g (T3) and 200g (T4) of water hyacinth compost and replicated four times. The treatments were arranged in Complete Randomized Design (CRD). The parameters measured were plant height, number of leaves, leaf area (cm2), leaf area index, relative growth rate (RGR), Net assimilation rate (NAR), shoot dry weight(g), yield and yield components (Number of pods, pods weight, 100 seed weight). The results obtained indicated that T3 significantly produced highest plant height (57.6cm) compare to control. While it was observed that T4 (200g) significantly produced the highest number of leaves (233.25), leaf area (631.80cm2), shoot dry weight (15.445g), number of pods (129.75), pod weights (25.38g) seed weight (7.23g) and yield (0.72kg/ha) relative to control and other treatment levels. Root parameters were also significantly improved by the rates of water hyacinth application compared to control. It will be worthy to note that there was no nodulation perhaps that was why the yield was poor. The results showed that soybean growth can effectively be improved with incorporation of water hyacinth into soil.

scholarly journals COMPREHENSIVE EFFORTS SEED QUALITY IMPROVEMENT OF SUGARCANE (SACCHARUMOFFICINARUM L.) THROUGH A SINGLE METHOD BUD PLANTING A GARDEN SEEDS AND PLANTING MATERIAL

2018 ◽  
Vol 6 (4) ◽  
pp. 111-120
Author(s):  
Endang Suhesti ◽  
Eko Widaryanto ◽  
Budi Waluyoh ◽  
Sri Winarsih
Keyword(s):  
Leaf Area ◽  
Plant Height ◽  
Biomass Production ◽  
Seed Quality ◽  
Dry Weight ◽  
Fresh Weight ◽  
Sugar Plantation ◽  
Planting Material ◽  
Percent Germination ◽  
Number Of Leaves

The study was designed to improve the quality of the SBP as milled cane planting material by improving the early growth of plants. Research carried out gradually implemented in the Indonesian Sugar Plantation Research Center (P3GI) Pasuruan, using two varieties of sugarcane are varieties Bululawang and PS 862 with numbers 7-16 buds. Germination (%), was observed on the 15th day after planting (DAP) and the growth of the plant include: plant height, number of leaves, leaf area, as well as the production of biomass include: Dry weight (DW) and fresh weight (FW) plant organs (leaves, stems, and roots). Fresh Weight (BS) and Dry Weight (BK) total crop. The results showed the top eye numbers (7,8,9,10) for both varieties provide the same germination potential (> 70%). But the number of buds bottom (11,12,13,14,15,16) Bululawang varieties give a lower percent germination than varieties of PS 862. At PS 862 varieties buds numbers 8 and 9 can generate over 95 percent germination %. Number eye affects plant growth in polybag components which include plant height, leaf area and the number of leaves and observation of the biomass production shows the influence of the number of eyes. These parameters indicate a decrease in the number and size of the eyes of the lower numbers. While the diameter rod eye development is not affected numbers. PS 862 varieties showed faster growth than Bululawang varieties. However, exposure to biomass production, Bululawang varieties showed higher yields than at PS 862 varieties.

scholarly journals Penampilan Vegetatif Tiga Genotipe Kedelai Berbiji Besar Pada Kondisi Stres Genangan

2021 ◽  
pp. 309-319
Author(s):  
Kisman Kisman ◽  
Farid Hemon ◽  
Sumarjan Sumarjan ◽  
Suprayanti Dewi
Keyword(s):  
Leaf Area ◽  
Plant Height ◽  
Weight Ratio ◽  
Dry Weight ◽  
Stress Conditions ◽  
Shoot Dry Weight ◽  
Main Plot ◽  
Number Of Leaves ◽  
Vegetative Characters ◽  
Plot Design

ABSTRACTThis study aims to determine the vegetative appearance of three genotypes of large-seeded soybean under puddle stress. The Experimental method was used and the plastic buckets as the experimental units were arranged using a Split Plot Design. The main plot was the stress factor (S) consisting of normal conditions (S0) and puddle stress (S1), and the subplot was the genotype factor (G) consisting of G1 (KH1), G2 (Argomulyo), and G2 (Grobogan). Each genotype was repeated four times. The observed variables were plant height, number of leaves, leaf area, number of productive branches, specific leaf weight, root/shoot dry weight ratio. The results showed that there were significantly differences in the appearance of the vegetative characters of the three genotypes of large seeded soybean under puddle stress conditions, especially on plant height, leaf area, plant dry weight, and shoot dry weight. Under puddle stress conditions, KH1 showed the highest of the plant height, root dry weight, and shoot dry weight. Argomulyo showed the highest of the leaf area, while Grobogan did not show as a tolerant variety under puddle stress conditions. 

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

AGRICA ◽  
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.

scholarly journals The Vegetative Growth Response of Detam Soybean Varieties towards Bacillus subtilis and Trichoderma sp. Applications as Bio-fertilizer

2021 ◽  
Vol 232 ◽  
pp. 03024
Author(s):  
Agus Miftakhurrohmat ◽  
Sutarman
Keyword(s):  
Bacillus Subtilis ◽  
Leaf Area ◽  
Plant Height ◽  
Dry Weight ◽  
Stem Diameter ◽  
Observation Data ◽  
Root Dry Weight ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Soybean Plants

This study aims to determine the effect of bacterial isolates of Bacillus subtilis Bs-Sdj-01 and Trichoderma sp. Tc-Jro-02 isolates as biological fertilizer in plant growth until the end of the vegetative phase. The experiment was arranged factorially in a Completely Randomized Design (CRD) with each factor being the application of B. subtilis consisting of and without B. subtilis and the Trichoderma application consisting of with and without Trichoderma; the experiment was repeated four times. The observed variables were: plant height, stem diameter, number of leaves, leaf area, stover dry weight, root dry weight, and B. subtilis population at the end of the observation. Data were analyzed using with ANOVA and HSD tests at the 5% level. The combination of Trichoderma sp. and B. subtilis bacteria produce the highest increase in plant height, stem diameter, number of leaves, leaf area, stover dry weight, and root dry weight of soybean plants up to 35 days after planting and increase B. subtilis population grew from 1010 CFU.g-1 to be 4.43x1011 CFU.g-1. The presence of Trichoderma supports the activity of B. subtilis in the rhizosphere of the Detam variety soybean plantation.

scholarly journals Respon Pertumbuhan dan Hasil Tanaman Seledri (Apium graveolens L.) Pada Perlakuan Beberapa Media Tanam dan Pupuk Organik Cair

Jurnal Agrium ◽  
2017 ◽  
Vol 14 (1) ◽  
pp. 43
Author(s):  
Muhamad Yusuf ◽  
Muhammad Yusuf N
Keyword(s):  
Leaf Area ◽  
Plant Height ◽  
Organic Fertilizer ◽  
Dry Weight ◽  
Growth And Yield ◽  
Apium Graveolens ◽  
Weight Growth ◽  
Soil Media ◽  
Number Of Leaves ◽  
Dry Weight Growth

This research aims to determine the role of planting media and organic fertilizer to the growth and yield of celery plants. This research was conducted at Gampong Lancang Barat District Dewantara Regency of North Aceh, with height of place more about 5 m asl with flat condition (average) Implementation of research from March until June 2015. This study used Factorial Randomized Block Design. 2 Factors studied: Planting media factor (M), consisting of 4 levels: M0: soil (5 kg) M1: soil + manure (3:2) M2: soil + sand (3:2) M3: soil + ash husk (3:2). The organic liquid fertilizer (P) factor consists of 3 levels: P0: without fertilization P1: the application of liquid organic fertilizer as much as 2 cc / liter of water P2 the application of liquid organic fertilizer as much as 4 cc / liter of water. Thus there are 12 treatments in repeated three times, so that obtained 36 units of experiment. The results showed that planting media had significant effect on plant height, number of leaves, number of midrib, length of stem at 15, 30, 45 and 60 HST, leaf area, wet and dry weight. Growth and best results were found in soil media treatment with a mixture of husk ash (M3). Organic fertilizers have a very significant effect on plant height, number of leaves, number of midrib, length of stem at 15, 30, 45 and 60 HST, leaf area, wet and dry weight. Growth and best results are found in the application of liquid organic fertilizer as much as 4 cc / liter of water (P2). There is an interaction between plant media treatment and organic fertilizer application on plant height, leaf number, midrib, mid-length at age 15, 30, 45 and 60 HST, leaf area, wet and wet weighting. The best interaction is found in soil media treatment with a mixture of husk ash and liquid organic fertilizer as much as 4 cc / liter of water (M3P2).

scholarly journals Proline Activity and Growth of Oil Palm affected by Aluminium Toxicity and Silica as Ameliorant

2016 ◽  
Vol 1 (1) ◽  
pp. 007
Author(s):  
Annisa Khoiriyah ◽  
Eka Tarwaca Susila Putra ◽  
Prapto Yudono
Keyword(s):  
Leaf Area ◽  
Plant Height ◽  
Oil Palm ◽  
Aluminum Toxicity ◽  
Block Design ◽  
Dry Weight ◽  
Al Toxicity ◽  
Plant Tissues ◽  
Number Of Leaves ◽  
Test Level

The research aims to investigate the effects of silica (Si) as an ameliorant on the proline compound concentration and the growth response of oil palm exposed to aluminum toxicity. The research was arranged in a complete randomized block design with 8 blocks as replications. The first factor was Al toxicity which consisted of two levels as without and with Al toxicity. Al toxicity treatment was applied by giving 300 ppm of Al concentrate along with watering activity regularly. The second factor was the application of silica which consisted of four levels as 0, 32, 64 g/plant. Proline and growth activities of leaf area, plant height, number of leaves, and dry weight were observed in the research. The data subjected to analysis of variance (ANOVA) at 5% test level. If the result of ANOVA showed significant differences among treatments, then the data would have been analyzed by Duncan’s Multiple Range Test (DMRT) at 5% test level. The results of the research provide information that Al toxicity increases proline compound in the plant tissues and decreases leaf area, plant height, number of leaves, and dry weight of Oil Palm. Applying Si at the level of 64 g/plant could increase proline concentrate and dry weight of oil palm exposed to A1 toxicity. Proline compound in the plant tissues did not have any correlation with the growth of oil palm. Thus, this case indicated that proline was a product and not a plant tolerant mechanism of Al toxicity.

scholarly journals DOSIS PUPUK KANDANG DAN UMUR PANEN PADA PRODUKSI BABY KANGKUNG (IPOMOEA REPTANS)

2018 ◽  
Vol 32 (2) ◽  
pp. 68
Author(s):  
Leviana Eka Vivia ◽  
Trijono Djoko Sulistyo ◽  
Mujiyo Mujiyo
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Plant Height ◽  
Harvest Index ◽  
Free Field ◽  
Dry Weight ◽  
Internode Length ◽  
Fresh Weight ◽  
Area Index ◽  
Number Of Leaves

<p align="left"><em>The research aims to assess the yield of baby kale that can be consumed almost all of the parts and generate organic manure free. Field research was conducted in Sindon Village, Ngemplak, Boyolali in September to October 2016. The research method uses Randomized Complete Block Design factorial with two factors, these are the dosage of manure and the age of harvest. Manure consisted of 4 doses O1 (0 ton/ha), O2 (6 tons/ha) and O3 (8 tons/ha) and O4 (10 tons/ha), and age of harvest consisted of P1 (16 DAS), P2 (20 DAS), and P3 (24 DAS). Variables observed were plant height, number of leaves, internode length, fresh weight, dry weight, leaf area index, and harvest index. The result showed that age of harvest has significant influence plant height, internode length, the number of leaves, leaf area index, fresh weight, dry weight, and harvest index. Manure doses only influence dry weight. Manure dosage of 8 ton/ha and harvest age of 16 DAS is the best combination of baby kale. Manure dosage of 10 ton/ha and harvest age of 16 DAS produce baby kale that can be consumed almost in all parts of the plant with the highest harvest index that is equal to 0.83.</em></p>

scholarly journals Pertumbuhan dan produksi dua varietas selada (Lactuca sativa l.) pada berbagai tingkat naungan dengan metode hidroponik

2019 ◽  
Vol 3 (1) ◽  
pp. 15
Author(s):  
M Arif Rohman Hakim ◽  
Sumarsono Sumarsono ◽  
Sutarno Sutarno
Keyword(s):  
Leaf Area ◽  
Plant Height ◽  
Block Design ◽  
Dry Weight ◽  
Leaf Number ◽  
Higher Plant ◽  
Shade Treatment ◽  
Randomized Block Design ◽  
Wet Weight ◽  
Number Of Leaves

ABSTRACT  The study aims to determine the growth and production of two varieties of lettuce at various levels of shade by hydroponic methods. This research was done by using serie experiment by Randomized Block Design with 3 bloks. Treatment of varieties with 3 series groups on each shade treatment. The shade treatment consisted of four shaded treatment levels (N0), 50% Shade (N1), 60% Shade (N2), and 70% Shade (N3). every shade was tested 2 varieties of lettuce Romain Romain green varieties (V1) and Romain lettuce varieties Tiberius (V2). Parameters observed for plant height, number of leaves, leaf area, fresh weight of plant, and dry weight of plant. The results showed that shade levels increased plant height in 50% and 60% shade, but decreased leaf number, leaf area, wet weight, and dry weight as shade level increased. Tiberius varieties produce higher plant height, leaf number, and wet weight significantly higher than Green Romain varieties. Keywords :Lettuce, shades, varieties, hydroponic ABSTRAK  Penelitian bertujuan untuk mengkaji pertumbuhan dan produksi dua varietas selada pada berbagai tingkat naungan dengan metode hidroponik. Penelitian ini dilakukan percobaan seri dengan Rancangan Acak Kelompok (RAK) dengan 3 kelompok. Perlakuan varietas dengan 3 kelompok seri pada setiap perlakuan naungan. Perlakuan naungan terdiri dari empat taraf perlakuan yaitu tanpa naungan (N0), Naungan 50% (N1), Naungan 60% (N2), dan Naungan 70% (N3). Pada setiap naungan dicobakan 2 varietas selada yaitu selada Romain varietas Green Romain (V1) dan selada Romain varietas Tiberius (V2). Parameter yang diamati tinggi tanaman, jumlah daun, luas daun, berat segar tanaman, dan berat kering tanaman. Hasil penelitian menunjukkan bahwa tingkat naungan menaikkan tinggi tanaman pada naungan 50% dan 60%, tetapi menurunkan jumlah daun, luas daun, berat basah, dan berat kering seiring dengan meningkatnya tingkat naungan. Varietas Tiberius menghasilkan tinggi tanaman, jumlah daun, dan berat basah lebih tinggi secara signifikan dibandingkan varietas Green Romain. Kata kunci : Selada, naungan, varietas, hidroponik 

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