Abstract New computer vision solutions combined with artificial intelligence algorithms can help recognize patterns in biological images, reducing subjectivity and optimizing the analysis process. The aim of this study was to propose an approach based on interactive traditional machine learning methods classify soybean seeds seedlings according their appearance physiological potential. In addition, we correlated performance. Images were used develop models using low-cost approaches...

Abstract: The need to optimize seed quality assessment using new, more accessible, and modern computational resources has led the emergence of new tools. In this paper, we introduce SeedCalc, a R software package developed process germination seedling length data. functions included in SeedCalc allow fast efficient data processing, offering greater reliability variables generated facilitating statistical analysis itself since are already processed with appropriate structure be statistically...

ABSTRACT Specialty coffees can be differentiated in various ways, including the environmental conditions which they are produced and sensory composition of drink. This study aimed to evaluate effect altitude, slope exposure fruit color on attributes cafes region Matas de Minas. Sampling points were georeferenced four altitude ranges (< 700 m; ≤ x 825 m, < 950 m ≥ m) coffee crop; two colors var. Catuaí (yellow red); exposures (North-facing South-facing). Coffee at cherry stage processed...

Modern techniques that enable high-precision and rapid identification/elimination of wheat seeds infected by Fusarium head blight (FHB) can help to prevent human animal health risks while improving agricultural sustainability. Robust pattern-recognition methods, such as deep learning, achieve higher precision in detecting using more accessible solutions, ordinary RGB cameras. This study used different deep-learning approaches based on images, combining hyperparameter optimization,...

ABSTRACT Non-destructive and high performance analyses are highly desirable important for assessing the quality of forest seeds. The aim this study was to relate parameters obtained from semi-automated analysis radiographs Leucaena leucocephala seeds their physiological potential by means multivariate analysis. To do so, five lots collected parent trees region Viçosa, MG, Brazil, were used. carried out through radiographic images seeds, which percentage damaged (predation fungi),...

RESUMO A importância do tamanho das sementes tem sido relatada para várias espécies, visto que pode afetar a sua germinação e o vigor plântulas, principalmente sob condições de estresse. Objetivou-se avaliar efeito na crescimento inicial plântulas soja (cultivares M9144RR M8527RR), estresse hídrico salino. O foi induzido por manitol salino cloreto sódio. Para avaliação dos tratamentos, as foram submetidas ao teste germinação, primeira contagem plântulas. Utilizou-se delineamento inteiramente...

Abstract The improvement of existing analyses that access the physiological quality seeds and inclusion nondestructive techniques represent significant progress to seed sector. Despite being prominent, use x‐ray is hindered by fact radiographic images are, in general, analyzed subjectively. Therefore, this study aimed at investigating relationship between internal morphology, accessed via images, habanero pepper seeds. were harvested from fruits three maturity stages then kept post‐harvest...

Successive cycles of water absorption and loss favor weathering deterioration, one the main factors that affect quality soybean seeds. This study evaluated physiological, physical, morpho-anatomical changes in seeds under deterioration at pre-harvest phase. Six cultivars (BMX Apolo, DM 6563, NS 5959, NA 5909, BMX Potência, TMG 1175) were produced a greenhouse underwent through rainfall simulation system, applying 0, 60, 120, 180 mm precipitation Each level was divided into two applications...

Abstract: The effects of NO donors on germination under saline stress have been much investigated for many species, however, there are reports that the effect caused by cyanide present. aim this study was to evaluate sodium nitroprusside (SNP) germination, antioxidative system and lipid peroxidation Senna macranthera seeds stress. osmotic potentials -0.4 -0.5 MPa NaCl were used, as well concentration 100 μM nitroprusside, inactive nitroprusside. Germination rate, imbibition curves,...

New approaches based on image analysis can assist in phenotyping of biological characteristics, serving as support for decision-making modern agribusiness. The aim this study was to propose a method high-throughput free access processing 2D X-ray images brachiaria grass (Brachiaria ruziziensis cv. Ruziziensis) seeds, well correlate the parameters linked physiological potential seeds. carried out by means automated seeds which macro, called PhenoXray, developed, responsible digital...

The objective of the present work was to investigate antioxidant enzyme activities and occurrence lipid peroxidation during storage J. curcas seeds obtained from fruits at different maturity stages. Seeds extracted collected three stages were used, i.e., yellow, brownish-yellow, brown (dry fruits). subsequently stored for 18 months in Kraft paper bags a laboratory environment. Initially as well every months, evaluated germination electrical conductivity, seed embryos peroxidation; protein...

Abstract: Non-destructive and high throughput methods have been developed for seed quality evaluation. The aim of this study was to relate parameters obtained from the free automated analysis digital radiographs hybrid melons’ seeds their seeds’ physiological potential. Seeds three melon (Cucumis melo L.) cultivars commercial lot samples were used. Radiographic images obtained, which area, perimeter, circularity, relative density, integrated density filling measurements generated by means a...

The physic nut (Jatropha curcas L.) has great potential for use in biodiesel production due to the high oil content of its seeds. Production quality seeds depends upon appropriate time harvest. A field experiment was carried out monitor maturation process and establish ideal harvest based on external fruit color. Fruits were collected at different stages color: green, yellow-green, yellow, yellow-brown brown. Seeds extracted manually and, after natural drying, submitted following tests...

Abstract: Automated analysis of seed vigor stands out by allowing greater accuracy, standardization, objectivity, and speed in evaluation the physiological potential lots. The objective this study was to evaluate efficiency Vigor-S® system assessing quality common bean seeds compared information provided traditional tests recommended for species. Four genotypes were used, each one represented four Characterization lots carried following tests: germination, first count seedling emergence,...

Abstract: Creation, adjustments and adoption of tests tools that help in the prediction seed storability have been highly demanded. Therefore, this work aimed to analyze efficiency different artificial aging times predicting performance soybean seeds after storage, using GGE biplot method. Seeds six genotypes were subjected under refrigerated non-refrigerated conditions, aging, being artificially aged for periods 0, 48, 96 144 hours. freshly harvested natural germination vigor tests. The...

Physalis peruviana holds significant economic value, making it crucial to determine optimal cultivation conditions, particularly concerning seed germination under varying water and temperature conditions. Therefore, this study aimed assess the impacts of heat stress on vigor P. seeds. The was divided into two trials: first examined effect constant temperatures 10, 15, 20, 25, 30, 35, 40 °C alternating 20 during dark period 30 light (control) vigor. second trial investigated different thermal...

Abstract Background Little importance has been given to the role of natural mortality factors (biotic and abiotic) in regulation tomato leafminer Tuta absoluta (Lepidoptera: Gelechiidae) populations. The present study determined action on T. populations infesting cultivated crops. Eighty ecological life tables for field plants were constructed analyzed. Results Total was 99.08%, with 38.76% during egg phase, 57.20% larva phase 3.12% pupal phase. main stage predation, parasitism inviability....

Abstract: Phosphorus is one of the most important nutrients for soybeans, but it presents a complex dynamic in soil and can become unavailable. The split localized application this nutrient be an effective approach to increase its availability. aim study was evaluate effect phosphorus dose applied seed coating with monobasic sodium phosphate on nodulation, growth yield components soybean cultivar BRS Valiosa RR. experiment conducted greenhouse completely randomized design 2x5x3 factorial...

A germinação de sementes é dependente fatores abióticos, sendo a temperatura um dos principais, cuja influência, em condições extremas, causa danos às sementes. Este trabalho teve por objetivo investigar o efeito das diferentes temperaturas durante Dalbergia nigra e suas implicações na fisiologia Avaliaram-se percentual germinação, índice velocidade (IVG) integridade membranas celulares pelo teste condutividade elétrica tempos exposição 5, 15, 25 (controle), 35 45 ºC. ºC correspondeu à ideal...

ABSTRACT Crambe is an oilseed plant whose oil suitable for various industrial purposes, such as production of biodiesel, plastics, rubbers, and cosmetics. There are reports the rusticity this species its potential growth in arid semi-arid environments, where water scarcity soil salinity common. However, studies regarding tolerance seeds to these stresses physiological responses triggered during germination seedling establishment under conditions incipient. The objective study was evaluate...