scholarly journals GAMMA RAYS INDUCED MUTAGENIC STUDIES IN CATHARANTHUS ROSEUS (L.) G. DON., AN IMPORTANT ORNAMENTAL PLANT

Author(s):  
S. MURUGAN, D. DHANAVEL, S. KASTHURI

A study was conducted to estimate the effect of gamma rays on growth and yield traits in periwinkle (Catharanthus roseus (L.) G. Don), an important horticulture plant. The seeds were treated with different levels of gamma rays (20, 25 and 30). Morphological parameters were analysed on the 30th day, like plant height, days of first flower, plant height, fresh weight per plant, dry weight per plant, root fresh weight per plant and root dry weight per plant. The morphological parameters were decreased with increasing levels of gamma rays doses.

2020 ◽  
Vol 15 (3) ◽  
Author(s):  
Fatemeh Nejatzadeh-Barandozi

Ocimum basilicum L. is an herbaceous plant from the Labiate family that used fresh, as a spice, and as a medicinal plant. Mulch is technique capable of reducing evaporation from the surface of the soil in basil production systems; it has more impacts on yield and essential oil quality of a basil crop. This research was performed in order to study the effects of different mulch types and irrigation regimes on various growth parameters and the essential oil content of basil. Treatments included two mulch types (black plastic, wood chips, and control) and three irrigation levels (100, 80, and 60% of water requirements, calculated by evaporation pan class A), following a randomised complete block design with four replications. Results showed that the effect of irrigation on fresh weight, dry weight, leaf relative water content, leaf area, and essential oil yield was significant (P<0.05). The effect of mulch on fresh weight, dry weight, leaf area, inter-node distance, number of branches, and essential oil yield was significant (P<0.05). Interaction between irrigation and mulch on inter-node distance, fresh weight, dry weight, and leaf area was significant (P<0.05). This study identified wood chips as the best mulch treatment. The highest dry weight yield (38.35 g/plant) and the highest essential oil yield (82.83 L/ha) resulted when wood chip mulch was used in combination with irrigation at 100% of the water requirement. This combination also resulted in the highest water productivity in basil production.   Highlights - Different levels of irrigation alone did not always increase plant growth and yield of basil. - Different levels of mulch alone did not always increase plant growth and yield of basil. - Different levels of irrigation and mulch in combination used, increased, growth and essential oil yield of basil. - This study identified wood chips as the best mulch treatment. - The highest essential oil yield resulted with wood chip mulch and irrigation at 100% of the water requirement.


2018 ◽  
Vol 14 (1) ◽  
pp. 41-46
Author(s):  
Rismawaty Saban ◽  
Henry Kesaulya ◽  
Jeanne I Nendissa

This study aimed to determine the effect of different biostimulant applications (solid and liquid) on the growth and yield of mustard plants. This study used a single factor Randomized Block Design (RBD), consisting of solid or liquid biostimulant treatment, each has twelve levels, i.e. K0 = without biostimulant, K1 = NPK 1 g per plant, solid and liquid biostimulant each consisting of 10 treatments = B1, B2, B3, B4, B5, B6, B7, B8, B9, B10. Solid biostimulant was given at 2.5 g per plant and liquid biostimulant at 10 ml per plant. The results showed that liquid biostimulant gave a significant effect on plant height, crop fresh weight, and crop dry weight; whereas solid biostimulant gave a very significant effect on entire weight, i.e. fresh weight of mustard plant, fresh root weight, and crop dry weight. The best treatment for liquid biostimulant was B1 treatment; whereas for the solid biostimulant was B7 treatment. Keywords: biostimulant, mustard, growth, yield   ABSTRAK Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi biostimulan yang berbeda (biostimulan padat dan cair) terhadap pertumbuhan dan produksi tanaman sawi. Penelitian ini menggunakan rancangan acak kelompok faktor tunggal yang terdiri dari perlakuan Biostimulan (padat dan cair) yang masing-masing perlakuan terdapat dua belas taraf (P): K0 = tanpa biostimulan, K1 = NPK 1 g/tan, Biostimulan padat dan cair masing-masing terdiri dari 10 perlakuan = B1, B2, B3, B4, B5, B6, B7, B8, B9, B10. Biostimulan padat 2.5 g/tan dan biostimulan cair 10 ml/tan. Hasil penelitian menunjukkan bahwa biostimulan cair memberikan pengaruh yang nyata terhadap tinggi tanaman sawi, berat segar tanaman, dan berat kering tanaman, sedangkan biostimulan padat memberikan pengaruh yang sangat nyata terhadap semua bobot berat tanaman sawi yaitu berat segar tanaman, berat segar akar, dan berat kering tanaman. Perlakuan terbaik untuk biostimulan cair adalah perlakuan B1, sedangkan untuk biostimulan padat perlakuan yang terbaik adalah perlakuan B7. Kata kunci: biostimulan, sawi, pertumbuhan, produksi


2012 ◽  
Vol 10 (1) ◽  
pp. 27-32 ◽  
Author(s):  
J Sultana ◽  
M A Siddique ◽  
M H A Rashid

An experiment was carried out at the Horticulture Farm of the Bangladesh Agricultural University, Mymensingh during  the period from November 2010 to January 2011 to study the effects of cowdung and potassium on growth and yield  of Kohlrabi. The experiment consisted of three levels of cowdung (0, 20 and 40 t/ha) and four levels of potassium (0,  20, 50, 80 kg /ha). The experiment was laid out in randomized complete block design with three replications. All the  parameters were significantly influenced by application of cowdung and potassium. The highest plant height (44.65  cm), number of leaves per plant (12.11), length of largest leaf (37.54 cm), and breadth of largest leaf (18.66 cm) were  obtained from the highest dose of cowdung and potassium applied (40 t cowdung + 80 kg K/ha) while the lowest  plant height (33.64 cm), number of leaves (9.01), length of largest leaf (27.94 cm), and breadth of largest leaf (11.00  cm) were obtained from control treatment combination. The highest fresh weight of leaves (49.33 g), fresh weight of  knob (328.66 g) and fresh weight of roots (66.55 g) per plant were also recorded under the treatment combination of  40 t cowdung + 80 kg K/ha, while the lowest fresh weight of leaves (22.11 g), fresh weight of knob (136.00 g) and  fresh weight of roots (23.33 g) were obtained from control treatment combination. Similarly, the dry weight of leaves  (19.34%), knob (15.19%) and roots (32.75%) were highest under the same treatment combination of 40 t cowdung +  80 kg K/ha and the lowest dry weight of leaves (11.71%), dry weight of knob (7.38%) and dry weight of roots  (15.29%) were obtained from control treatment combination C0K0. The marketable yields of knob per plot (7.86 kg)  and per hectare (39.58 tons) were also the highest under the treatment combination 40 t cowdung/ha and 80 kg  potassium per hectare.   DOI: http://dx.doi.org/10.3329/jbau.v10i1.12035   J. Bangladesh Agril. Univ. 10(1): 27–32, 2012  


2020 ◽  
Vol 5 (2) ◽  
pp. 101-110
Author(s):  
Ahmad Mizan Matondang ◽  
Jumini Jumini ◽  
Syafruddin Syafruddin

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh jenis dan dosis pupuk hayati mikoriza yang tepat terhadap pertumbuhan dan hasil tanaman cabai merah pada tanah Andisol Lembah Seulawah Aceh Besar. Penelitian ini dilaksanakan di Kecamatan Lembah Seulawah, Kabupaten Aceh Besar,  Rumah Kaca, Laboratorium Ilmu dan Teknologi Benih dan Laboratorium Fisiologi Tumbuhan Fakultas Pertanian Universitas Syiah Kuala, Darussalam Banda Aceh yang berlangsung sejak bulan Mei sampai dengan Oktober tahun 2019. Analisis data yang digunakan dalam penelitian ini adalah Rancangan Acak Kelompok pola Faktorial dengan kombinasi 3 x 3 dengan 3 ulangan sehingga didapat 9 kombinasi perlakuan dan mencakup 27 unit percobaan. Faktor yang diteliti yaitu  jenis pupuk hayati mikoriza yang terdiri dari 3 taraf yaitu Glomus mosseae, Gigaspora sp. dan Campuran (Glomus mosseae dan Gigaspora sp.) dan dosis mikoriza yang terdiri dari 3 taraf yaitu 5, 10 dan 15 g per tanaman dan dilanjutkan dengan uji lanjut Beda Nyata Terkecil pada taraf 5%. Hasil penelitian menunjukkan bahwa perlakuan jenis mikoriza berpengaruh sangat nyata terhadap parameter diameter batang 15 HSPT dan panjang buah serta berpengaruh nyata pada tinggi tanaman 15 HSPT, diameter batang 45 HSPT, jumlah cabang produktif, berat buah, persentase kolonisasi mikoriza dan potensi hasil. Perlakuan jenis mikoriza dari pertumbuhan dan hasil tanaman cabai terbaik dijumpai pada jenis mikoriza campuran. Pada perlakuan dosis mikoriza berpengaruh sangat nyata terhadap parameter tinggi tanaman 30 dan 45 HSPT, diameter batang 30 HSPT, jumlah cabang produktif, berat basah tanaman, berat kering tanaman, berat basah akar, berat kering akar, berat buah, panjang buah, jumlah buah, persentase kolonisasi akar dan potensi hasil serta berpengaruh nyata pada diameter batang 45 HSPT. Perlakuan dosis mikoriza dari pertumbuhan dan hasil tanaman cabai terbaik dijumpai pada dosis mikoriza 10 g per tanaman. Terdapat interaksi yang nyata antara perlakuan jenis dengan dosis mikoriza terhadap jumlah cabang produktif tanaman cabaiEffect of Mycorrhizal Biofertilizer Type and Dosage Against Growth and Yield of Chilli (Capsicum annuum L.) on Andisol Soil Valley in Aceh BesarAbstract. This research aims to understand the type and doses of fertilizer biological mycorrhiza on growth and crop yield on the ground chili in the Andisol Seulawah valley Aceh Besar. This research was conducted in the Seulawah valley district of Aceh Besar, Greenhouse The Science and Technology Seeds and Laboratory of Plant Physiology, Syiah Kuala University Faculty of Agriculture Banda Aceh Darussalam held since october 2019. Data analysis used in this study is the random groups (shelf) factorials patterns by a combination with 3 x 3 test until they reached 9 combination treatment and 27 unit experiment. The research of fertilizer biological mycorrhiza consisting 3 kinds of standard that were Glomus mosseae, gigaspora sp. And blend (Glomus mosseae and gigaspora sp.) and dosage mycorrhiza consisting of 3 standard that were 5, 10, 15 g / plant and continued with the Smallest Significant Difference  test at the 5% level . The results of this research were the treatment of mycorrhiza type had a very significant effect on plant height parameters stem diameter 15 DAP and fruit length and this research had a significant effect on plant height parameters 15 DAP, stem diameter 45 DAP, number of productive branches, fruit weight, percentage of root colonization and yield potential. The best mycorrhiza treatment of growth and yield of chili plants is found in mixed mycorrhiza types. In the treatment of dosage has a very significant effect on plant height parameters 30 and 45 DAP, stem diameter 30 DAP, number of productive branches, plant fresh weight, plant dry weight, root fresh weight, root dry weight, fruit weight, length fruit, number of fruits, percentage of root colonization and yield potential. The best mycorrhiza dose treatment of chili growth and yield was found on mycorrhiza dose of 10 g per plant. The interaction between the treatment of mycorrhiza types and dosage have a very significant on number of productive branches. 


2020 ◽  
Vol 4 (1) ◽  
pp. 134-140

An experiment was conducted at the Horticulture Farm of Bangladesh Agricultural University, Mymensingh to assess the effects of seedling age and potassium fertilizer to improve summer onion production (cv. BARI Piaj-3). The experiment consisted of two factors; Factor A: three seedling age, viz. 35; 40 and 45 days old and Factor B: four different doses of potassium, viz. 0; 40; 80 and 120 kg/ha-1. The experiment was laid out in a randomized complete block design with three replications. The effect of different seedling age and potassium fertilizer and their combined effects showed significant variations in growth and yield of onion. In case of seedling age, the highest plant height (56.58 cm), leaf number (12.37) per plant, leaf length (41.77 cm), yield of bulb per plot (1.96 kg) and yield of bulb (19.64 t/ha) were recorded from 45 day old seedling. In case of different doses of potassium, the highest plant height (58.82 cm), leaf number per plant (13.93), leaf length (43.69 cm), yield of bulb per plot (1.90 kg) and yield of bulb (19.00 t/ha) were recorded from 120 kg K ha-1. Combined effects of seedling age and potassium fertilizer exhibited significant variation on plant height at different days after transplant (DAT), leaf number per plant, leaf length, bulb diameter, pseudostem diameter, fresh weight of bulb, dry weight of bulbs, fresh weight of foliage, dry weight of foliage, yield of bulbs per plot and yield of bulbs (t/ha). The highest bulb yields per plot (2.31 kg) as well as per hectare (23.05 tons) were achieved from the treatment combination of 45 day old seedling and 120 kg K ha-1.


Author(s):  
Syahtian Suprayogi ◽  
Suprihati Suprihati

The slope of the gutter is one of the factors that affect plant growth and yield. This tilt affects the dissolved oxygen content in the hydroponic nutrient flow. Dissolved oxygen is one of the factors that can affect plant growth and yield. This study aims to determine the effect of guttering on the growth and yield of pakcoy plants. The research was conducted in Salatiga, Central Java from March to May 2019 in a greenhouse. Combination treatment of Pakcoy variety with gutter slopes. Each was repeated four times to obtain 24 experimental trials. This study used a randomized block design. The parameters observed were dissolved oxygen, number of leaves, plant height, shoot diameter, plant fresh weight, upper fresh weight, lower fresh weight, upper dry weight, and lower dry weight. Data analysis using variance. The DMRT test was used to see the distance between treatments with a 95% confidence interval. Based on the research results, the combination of varieties and the slope of the gutter had a significant effect on the number of leaves, crown diameter, and plant fresh weight. The combination of green pakcoy varieties with a 12% gutter slope gave the best results including plant height 25.32 cm, number of leaves 18.83, crown diameter 33.36 cm and fresh weight of 161.4 g plant-1. Keywords: NFT, varieties, slope gutters, dissolved oxygen


2018 ◽  
Vol 4 (1) ◽  
pp. 42
Author(s):  
Nur Humairoh Arzad ◽  
Yohanis Tambing ◽  
Bahrudin Bahrudin

The research was conducted in the village of Sidera, Subdistrict of Sigi Biromaru, District of Sigi, in May to June 2016. The research aims to find out the effect of various rates of cow manure on growth and yield of mustard.this research was arranged  in a randomized block design (RBD) which consist of 5 rates ofcow manure are: 10 t ha-1, 15 t ha-1, 20 t ha-1, 25 tha-1 and 30 t ha-1 , each treatment was repeated three times to obtain 15 units experiment. The results of this research showed that the application of cow manure significantly affected on growth and yield of mustard plants (plant height, number of leaves, fresh weight and dry weight of plant) and best rate of manure to mustard (Brassica juncea L.) can be achieved at the dose of 25 t ha-1. 


2019 ◽  
Vol 6 (3) ◽  
pp. 412-423
Author(s):  
Gita Ayu Lestari ◽  
Sumarsono ◽  
Eny uskhah Fuskhah

Melon has a high economic value but in its cultivation, this plant requires quite an intensive handling.One effort to increase the production of melon plants is modifying planting media composition andfertilizing. This research aimed to examine the interaction between plant media composition and therabbit urine fertilizer dosage on melon growth and yield. The research was held on April 4 to August4, 2019, at The Agro Fruit Purwosari Greenhouse, Mijen, Semarang and Ecology, and CropProduction Laboratory, Faculty of Animal and Agricultural Sciences, Diponegoro University,Semarang. The study used a completely randomized factorial design 3x5 with 5 replications. The firstfactor was the growing media composition of 100% husk charcoal (M1), 75% husk charcoal + 25%soil (M2), 50% husk charcoal + 50% soil (M3). The second factor was rabbit urine fertilizer dosageof 55 ml/plant (P1), 82,5 ml/plant (P2), 110 ml/plant (P3), 137,5 ml/plant (P4), 165 ml/plant (P5).Data were analyzed by variance and proceeded with the DMRT test. The observed variables wereplant height, amount of leaves, harvest age, fruit weight, fruit diameter, fruit sweetness level, crown,and root fresh weight, crown and root dry weight. The results of the study showed that the interactionof the growing media composition and rabbit urine fertilizer dosage was significant (P<0.05) on theparameters of plant height, amount of leaves, and fruit sweetness level. The treatment of (M2)obtained the highest result on the parameters of plant height, amount of leaves, and fruit sweetnesslevel but had not been shown on the parameters of harvest age, fruit weight, fruit diameter, crownand root fresh weight, crown, and root dry weight.


Agrologia ◽  
2018 ◽  
Vol 7 (2) ◽  
Author(s):  
Teguh Yuda Pratama ◽  
Nurmayulis Nurmayulis ◽  
Imas Rohmawati

The research was aimed to know the effect of dose of organic fertilizer to growth and yield varieties of mustard (Brassica juncea L.). The method used was a randomized block design a Randomized Completely Block Design with 2 factors. The first factor was the organic fertilizer, namely (P) and the second factor was the variety. The first factors was the organic vermicompost, which consists of 4 levels, namely: P0 = 0 g / plant, P1 = 30 g / plant, P2 = 60 g / plant, P3 = 90 g / plant the second factor was varieties, which consists of three levels, namely: V1 = Tosakan varieties, V2 = Kumala varieties, V3 = Sri Tanjung varieties. Thus there was 12 combinations of treatment, each treatment was repeated three times, in order to get 36 experimental unit. Parameters measured were plant height, number of leaves, plant fresh weight, plant dry weight, root dry weight. The results of this research showed that vermicompost fertilizer showed significant effect on the observation parameters plant height, root length, fresh weight of plant, plant dry weight, root dry weight. Vermicompost fertilizer dose of 60 g / plant give the best average results in almost all variables observation (plant height 18,6 g, fresh weight of plant 10,3 g, plant dry weight 1,3 g and root dry weight 0,4 g. Kumala varieties gave the highest rates in the observation parameters number of leaves 7,2 sheet and fresh weight of plant 10,0 g. The interaction of both treatment showed no real effect on all parameters of observation.


AGRICA ◽  
2020 ◽  
Vol 7 (1) ◽  
pp. 45-56
Author(s):  
Murdaningsih Murdaningsih

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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