scholarly journals Development of a picking and dropping mechanism for protray grown vegetable seedlings

2021 ◽  
Vol 13 (SI) ◽  
pp. 47-54
Author(s):  
Vivek Periasamy ◽  
Duraisamy ◽  
Kavitha
Keyword(s):  
Success Rate ◽  
Solanum Lycopersicum ◽  
Solanum Melongena ◽  
Growth Media ◽  
Programmable Logic ◽  
Vegetable Crops ◽  
Test Results ◽  
Tomato Seedlings ◽  
Conveying System ◽  
Vegetable Seedlings

In India, manual transplanting of vegetable seedlings was the commonly adopted method for raising vegetable crops, but it is laborious, time-consuming and costly. Therefore, mechanical transplanters are developed to overcome the problems in manual transplanting. The present work was to develop multiple seedlings picking and transferring mechanism for protray grown vegetable seedlings. Tomato (Solanum lycopersicum), chilli (Capsicum annuum) and brinjal (Solanum melongena) seedlings were raised in portrays with coir pith as a growth media and used for transplanting operation. The mechanism was to pick seven numbers of seedlings in one row at a time and transfer them into lateral conveying system, which could deliver the seedlings one by one on to the ground at regular interval. Programmable Logic Controller was used to controlling entire operations of seedlings picking and dropping. At the time of evaluation, a totally 196 number of seedlings were used with 98 cell protray. From the test results, the success rate of 89.28 per cent, missing seedling of 3.57 per cent, damaged seedling of 4.08 per cent, seedling delivering failure of 3.06 per cent were recorded for tomato seedlings. Similarly, in chilli and brinjal the success rate of 95.40 and 91.83 per cent, the missing seedling of 2.04 and 2.55 per cent, damaged seedling of 1.53 and 3.06 per cent and seedling delivering failure of 1.02 and 2.55 per cent respectively were observed. Transplanting frequency of developed mechanism was 2520 seedlings h-1.   As a whole, this work was able to develop a working model of vegetable seedling transplanting mechanism, which can eject seven seedlings at a time from portray cell and transfer them into the slotted conveyor. 

scholarly journals Isolation of Bacteria from Rhizosphere, Phylloplane and Caulosphere of Brinjal (Solanum melongena L.)

2021 ◽  
Vol 8 (6) ◽  
pp. 15-19
Author(s):  
Jennifer Lolitha C. ◽  
Manjula A. C. ◽  
Prathibha K. Y. ◽  
Keshamma E.
Keyword(s):  
Plant Growth ◽  
Solanum Melongena ◽  
Growth Media ◽  
Plant Growth Promoting Bacteria ◽  
Vegetable Crops ◽  
Beneficial Effects ◽  
Moderate Growth ◽  
Plant Growth Promoting ◽  
Growth Promoting ◽  
Growth Of Bacteria

Rhizosphere, phylloplane and caulosphere is the region where a complex community of microbes, mainly bacteria and fungi are present. The microbe- plant interaction in these regions can be beneficial, neutral, variable, or deleterious for plant growth. The bacteria that exert beneficial effects on plant development are termed plant growth promoting bacteria. To isolate the bacteria from rhizosphere, phylloplane and caulosphere of brinjal (Solanum melongena L.). The seeds of 16 cultivars of brinjal (Solanum melongena L.) viz., Arka keshav, Arka shirish, Arka kusumaker, and IIHR accession numbers 389,386,387,377 Tc, BB44, 391, 433, 434, 427, 447, 448, 476 and 487 that were used in the initial screening experiment were obtained from the Department of Vegetable crops, IIHR, Hessaraghatta, Bangalore. Brinjal (Solanum melongena L.) plants of different varieties were collected from seven locations around Bangalore viz., Hessaraghatta, Yelahanka, Kengeri, Madi vala, Hebbal, Tirumalapura and Attibele were also screened for the presence of associative bacteria. Associative microorganisms isolated from the rhizosphere, phylloplane and shoot regions of brinjal (Solanum melongena L.), revealed the presence of three morphologically different colonies. 80% of 16 cultivars of the brinjal (Solanum melongena L.) screened showed the presence of associative bacterial colonies. In this study diazotrophic BBI were obtained from the rhizoplane, phylloplane and stem of 16 cultivars of brinjal (Solanum melongena L.) that were screened. The dominant pearl-colored colonies isolated from all varieties of brinjal plants that were screened was identified and showed maximum nitrogen fixing ability compared with that of the other colonies. The phylloplane of brinjal (Solanum melongena L.) plants from seven different locations around Bangalore showed the presence of the dominant pearl-colored colonies.  Moderate growth of bacteria was observed in root, stem and leaf bits sterilized up to 35 minutes. Even on surface sterilized roots which were homogenized and inoculated on growth media, dense growth of bacteria was observed there by establishing the presence of bacteria inside the root system. For the first time the presence of growth promoting bacteria on the rhizosphere and endorhizosphere of brinjal (Solanum Melongena L.) cultivars was established.

scholarly journals Statistical Learning for Service Quality Estimation in Broadband PLC AMI

Energies ◽  
2019 ◽  
Vol 12 (4) ◽  
pp. 684 ◽  
Author(s):  
Dong Kim ◽  
Beom Chung ◽  
Young Chung
Keyword(s):  
Success Rate ◽  
Statistical Learning ◽  
Power Line Communication ◽  
Test Results ◽  
Model Quality ◽  
Quality Estimation ◽  
Rate Estimate ◽  
Communication Performance ◽  
Time Of Use Pricing ◽  
Advanced Metering

In this paper, we propose a method to estimate communication performance for the advanced metering infrastructure that employs the power line communication (PLC) technology. Using bit-per-symbol signals from the PLC network management system, we estimate a PLC model quality in terms of packet success rate based on statistical learning. We also verify the accuracy of the estimations by comparing them with measured communication test results at test sites. Finally, from the packet success rate estimate, the qualities of services, such as meter readings and time-of-use pricing data downloading under several metering protocol sequences, are investigated through a mathematical analysis, and numerical results are provided.

scholarly journals Different Growth Media Effect the Germination and Growth of Tomato Seedlings

2016 ◽  
Vol 35 (3) ◽  
pp. 123-127 ◽  
Author(s):  
Muhammad Jawaad Ati ◽  
Ghulam Jellani ◽  
Muhammad Humair Ahm ◽  
Noor Saleem ◽  
Hidayat Ullah ◽  
...  
Keyword(s):  
Growth Media ◽  
Media Effect ◽  
Tomato Seedlings ◽  
Germination And Growth

scholarly journals RULE-BASED SYLLABIFICATION OF KOREAN WORDS WRITTEN IN LATIN USING DETERMINISTIC FINITE AUTOMATA MODELS

2018 ◽  
Vol 2 (1) ◽  
pp. 75-85
Author(s):  
Rouly Doharma Sihite ◽  
Aditya Wikan Mahastama
Keyword(s):  
Success Rate ◽  
Statistical Approach ◽  
Markov Models ◽  
Finite Automata ◽  
Writing System ◽  
Test Results ◽  
Writing Systems ◽  
Research Focus ◽  
Finite State ◽  
Catch Up

Transliteration is still a challenge in helping people to read or write from one to another writing systems. Korean transliteration has been a topic of research to automate the conversion between Hangul (Korean writing system) and Latin characters. Previous works have been done in transliterating Hangul to Latin, using statistical approach (72.2% accuracy) and Extended Markov Models (54.9% accuracy). This research focus on transliterating Latin (romanised) Korean words into Hangul, as many learners of Korean began using Latin first. Selected method is modeling the probable vowel and consonant forms and problable vowel and consonant sequences using Finite State Automata to avoid training. These models are then coded into rules which applied and tested to 100 random Korean words. Initial test results only 40% success rate in transliterating due to the nature that consonants have to be labeled as initial or final of a syllable, and some consonants missed the modeled rules. Additional rules are then added to catch-up and merge these consonants into existing proper syllables, which increased the success rate to 92%. This result is analysed further and it is found that certain consonants sequence caused syllabification problem if exist in a certain position. Other additional rules was inserted and yields 99% final success rate which also is the accuracy of transliterating Korean words written in Latin into Hangul characters in compund syllables.

The Solanum melongena COP1LIKE manipulates fruit ripening and flowering time in tomato (Solanum lycopersicum)

2022 ◽  
Author(s):  
Muhammad Naeem ◽  
Khurram Shahzad ◽  
Saddam Saqib ◽  
Asim Shahzad ◽  
Nasrullah ◽  
...  
Keyword(s):  
Flowering Time ◽  
Solanum Lycopersicum ◽  
Fruit Ripening ◽  
Solanum Melongena

Validation of a QuEChERS-Based Method for the Estimation of Afidopyropen in Brinjal (Solanum Melongena L.) and Soil

2020 ◽  
Vol 103 (1) ◽  
pp. 68-72
Author(s):  
Suchi Chawla ◽  
Hetal N Gor ◽  
Hemlatta K Patel ◽  
Payal P Upadhyay ◽  
Paresh G Shah
Keyword(s):  
Insect Pests ◽  
Matrix Effects ◽  
Residue Analysis ◽  
Solanum Melongena ◽  
Environmental Safety ◽  
Coefficient Of Determination ◽  
Effective Control ◽  
Vegetable Crops ◽  
Liquid Chromatograph ◽  
Acceptable Range

Abstract Background: Afidopyropen is a recently introduced insecticide that provides effective control of insect pests in vegetable crops, including brinjal. Field applications of this insecticide can often result in accumulation of residues in brinjal fruits, leaves, and soil at harvest, which might be a concern for food and environmental safety. This demands an appropriate method for analysis of the residues of this insecticide in these matrices to facilitate residue monitoring and safety compliance checks. Objective: The study aims to validate a quick, easy, cheap, effective, rugged, and safe (QuEChERS)-based method for estimation of afidopyropen in/on brinjal leaf, fruit, and soil by ultrahigh-performance liquid chromatograph-tandem mass spectrometer (LC-MS/MS). Methods: The brinjal fruit, leaf, and soil samples were extracted by an optimized QuEChERS workflow–based sample preparation method and analyzed by LC-MS/MS. Results: Linearity [with coefficient of determination (R2) >0.99] was obtained in calibration curves drawn from standards prepared in the matrix and neat solvent. Although negligible matrix effects were noted in fruit and soil, ion suppression was significant in the leaf matrix (71.6%). The recoveries were within the acceptable range of 70–120%, with relative SD ≤20%. In all cases, Horwitz ratio values were within the acceptable range of 0.3–1.3, indicating satisfactory repeatability. The LOQs were 0.004, 0.001, and 0.001 mg/kg for brinjal fruit, leaf, and soil, respectively. At the spiking concentrations of 0.01, 0.05, and 0.1 mg/kg, the estimated measurement uncertainty was <50% for all matrices. Conclusions: Because of its satisfactory precision and accuracy, the proposed method can be extended for estimation of afidopyropen in other vegetables for evaluating maximum residue limit compliance. Highlights: The study reports an optimized method for high-throughput residue analysis of afidopyropen in/on brinjal leaf, fruit, and soil. The accuracy, precision, selectivity, and sensitivity of the method comply with the regulatory requirements.

scholarly journals A Field Vegetable Transplanter for Use in Both Tilled and No-Till Soils

2019 ◽  
Vol 62 (3) ◽  
pp. 593-602 ◽  
Author(s):  
Christian Frasconi ◽  
Luisa Martelloni ◽  
Michele Raffaelli ◽  
Marco Fontanelli ◽  
Lara Abou Chehade ◽  
...  
Keyword(s):  
Success Rate ◽  
Conservation Tillage ◽  
Soil Conditions ◽  
Technical Solution ◽  
Vegetable Crops ◽  
Success Rates ◽  
No Till ◽  
Draft Force ◽  
Actual Field

Abstract. A commercial, manually fed vegetable transplanter was modified and adapted to work in no-till soils. Details of the modifications are described in this article. The aim of this research was to evaluate the performance of this transplanter under actual field conditions in both tilled and no-till soils. The draft force in the no-till soil was measured for different working tools mounted for tilling or loosening a narrow band of soil before passing with the furrower. The combination of a ripper shank opener with a straight nose point resulted in the lowest draft force values per unit of working depth. The transplanter accuracy and transplant success rate were evaluated in different vegetable crops. The accuracy parameters (multiple index, miss index, quality of feed index, and precision) were estimated and in general were similar in the tilled and no-till soils, indicating that the transplanter was able to operate in both soil conditions with the same accuracy. The transplant success rates were also similar in both soil conditions. The transplanter thus offers a satisfactory technical solution for transplanting vegetables in both tilled and no-till soils. Keywords: Conservation tillage, draft force, organic farming, transplanter accuracy, transplant success rate.

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