The X-ray image analysis technique is a precise method that enables examination of regions are damaged and/or altered in seed and their location extension. It non-destructive allowing the treated to be submitted quality physiological tests. objective this study was use identify mechanical stink bug damages soybean seed. Seeds from different batches BRS184 cultivar were sorted by test then tested for germination with aim relate damage possible viability loss. Alternatively, tetrazolium...

The control of phytopathogens using plant extracts has been identified as an alternative to organic agriculture, which excludes the use toxic and synthetic substances. present study aimed evaluate sanitary physiological potential maize seeds treated with cambuci extract (Campomanesia phaea). Two were tested, obtained from different tissues C. phaea species (fruit peel leaf, fresh dry), in following concentrations: 0, 25, 50, 75 1000 %. content total phenolic compounds was found be higher...

Bioherbicides, including plant extracts, allelochemicals, and microbial agents, offer sustainable alternatives for weed control in agriculture. In Brazil, the native tree Esenbeckia leiocarpa (guarantã) shows potential phytotoxic effects weeds species. This study evaluates aqueous extracts from its aerial parts as a substitute herbicides, focusing on their impact germination initial growth. The experiment used completely randomized 7 × 4 factorial design with seven extract concentrations (0,...

ABSTRACT: Cambuci [Campomanesia phaea (O.Berg) Landrum] is a native Brazilian fruit tree species from the Atlantic Forest, belonging to Myrtaceae family, with great potential for commercial exploitation. The propagation of this limited seeds, which exhibit low and uneven germination, posing challenge large-scale seedling production due dormancy. objective study was verify existence dormancy in cambuci seeds determine most effective dormancy-breaking treatment. First, an X-ray test conducted...

The aim of this study was to perform the physical and physiological quality analysis intermittent soybean seeds drying in spouted bed. Mechanical damages properties were evaluated by tests germination, first germination count, seedling length, tetrazolium, sodium hypochlorite, X-ray. Five different intermittency profiles two methodologies with periodic reduction interruption air flow employed. Continuous processes shorter periods reduced (A.1) provided a lower degree seed deterioration,...

O pinhão manso (Jatropha curcas L.) apresenta elevado potencial para produção de biocombustível; porém, existem poucos estudos relacionados à avaliação da qualidade suas sementes. Assim, a pesquisa objetivou estudar os procedimentos condução do teste tetrazólio e verificar eficiência dos testes raios X viabilidade sementes desta espécie. Para o tetrazólio, foi comparado pré-condicionamento entre papel imersão em água, até que as atingissem teores água 30% 40%. Após esta etapa, tegumento das...

Condições climáticas desfavoráveis após a maturidade fisiológica em sementes de soja têm ocasionado problemas no seu potencial fisiológico, incluindo ocorrência danos por "umidade". Para avaliação desses danos, técnica análise imagens raios X é aplicável para identificar, maneira precisa, sua intensidade e localização. Assim, foi o objetivo desdte trabalho avaliar efeito diferentes condições armazenamento na evolução dos "umidade" utilizando teste testes fisiológico. Foram utilizados três...

In Brazil, the cowpea [Vigna unguiculata (L.) Walp], is important in Northeast Region, where it typically grown on family farms. The importance of damage caused to seed quality this species by stored pests has been described various studies. Using X-ray, possible see internal structures and identify changes damage. objective study was weevil [Callosobruchus maculatus (Fabr.)] analyzing X-ray evaluate its relationship physiological seed. Three cultivars were used (IPA-206, BRS-Pajeu...

Entre os problemas envolvidos na produção de sementes soja destacam-se danos por umidade, que resultam em perdas germinação e vigor. A técnica análise imagens, meio do teste raios X, é um método precisão possibilita examinar, com detalhes, a região danificada ou alterada, sua localização extensão. Por ser não destrutivo, as podem submetidas testes fisiológicos e, desta forma, possível estabelecer relações causa efeito. O presente trabalho teve como objetivo avaliar eficiência da...

ABSTRACT: The harmful effects caused by the use of toxic substances in agriculture have led to development alternative solutions, and researchers focused on understanding effectiveness potential plant extracts agriculture. aim this systematic review was understand situation research scientific dissemination, as well how current science has approached agriculture, especially seed applications. There is demonstrated a high number publications over last ten years, years 2018, 2019 2020, Brazil...

A possibilidade da utilização técnica de análise imagens, para a determinação danos em semente, é promissora. É um método precisão, onde semente examinada individualmente imagens capazes indicar, com detalhes, área danificada, localização e extensão dos danos. Assim, o presente trabalho teve objetivo avaliar eficiência (raios X) na identificação mecânicos causados por percevejos feijão sua relação qualidade fisiológica. Os tratamentos foram constituídos cinco lotes feijão, cultivar Pérola....

Em espécies multiplicadas comercialmente via semeadura indireta, como várias essências florestais, a utilização de sementes alto potencial fisiológico é imprescindível para garantir o desenvolvimento e estabelecimento adequado das plantas no campo. Assim, diversas técnicas têm sido utilizadas avaliar integridade e, dentre elas, teste raios X. O objetivo trabalho foi ipê roxo (Tabebuia heptaphylla), após separação por cor tamanho, meio dos testes X germinação. As foram classificadas pela cor,...

In vitro techniques, with the purpose of conserving genetic resources plants, are fundamental to feasibility establishing germplasm banks and enabling commercial production micropropagated plants. The aim this study was evaluate use different spectra light in conservation by slow grown storage Heliconia Champneiana cv. Splash. Explants heliconia were submitted following treatments: CW (control white), B100 (100 % blue), R100 red) R70B30 (70 red/30 all PFD = 25 μmol m2 s–1, maintained for two...

There is a major need for restoration of nonforest ecosystems in the Brazilian Cerrado, and planting seedlings promising. However, there no currently available information on nontree species production nurseries. Grasses are dominant Cerrado herbaceous layer; therefore, we tested whether tree seedling techniques can be used two native grasses widely spread across ecoregion ( Schizachyrium sanguineum Loudetiopsis chrysothrix ). We performed factorial experiment with three levels: (1) seedbed...

Some stresses in immature soybean plants, such as nematode infection, can result premature plant death and produce greenish seeds with low physiological potential. The objective of this study was to evaluate Meloidogyne javanica infection on plants its relationship growth, green occurrence their Plants two cultivars (TMG-115RR M 7908 RR) were exposed or not nematodes (0 7,000 per plant) submitted water stress treatments. characteristics evaluated included phenology, pod seed production,...

Abstract Biochar is considered a promising option for the development of sustainable agroecosystems, due to its diverse agronomic and environmental benefits. In this context, aim study was carry out bibliometric analysis on biochar research in Brazil within an agricultural including investigating raw materials most employed production country. The conducted based search scientific articles (peer-reviewed papers) at Web Science database (WoS Core Collection) from 2003 2020 specifically...

The UN “Decade on ecosystem restoration” demands urgent actions to bring back native ecosystems from degraded lands. Tree seedlings are widely available for restoration plantings. However, the lack of other life forms in commercial nurseries constraints grassy biomes restoration. use fertilizers is common grow tree and current technology could be useful grasses turn planting technique feasible restore biomes, such as Cerrado Brazil. In this study, we examined growth nutritional responses...

A produção de mudas é uma das etapas fundamentais para o cultivo do tomateiro e pode ser influenciada pela temperatura inicial germinação. Nesse sentido, objetivo deste trabalho foi avaliar efeito desse fator no desempenho plântulas tomate. Foram utilizados quatro lotes sementes tomate híbrido Mariana, submetidos aos testes germinação, envelhecimento acelerado condutividade elétrica a avaliação potencial fisiológico. Após caracterização dos lotes, as foram submetidas diferentes temperaturas...

Condições climáticas desfavoráveis, durante o período final de maturação da soja, têm ocasionado problemas na qualidade das sementes, que pode resultar no aparecimento sementes esverdeadas. No presente trabalho objetivou-se avaliar a influência aplicação foliar fungicidas e doença ferrugem asiática produção com destaque para ocorrência esverdeadas em soja. Os tratamentos foram constituídos pela testemunha aplicações dos flutriafol + tiofanato metílico, pyraclostrobina epoxiconazol...

Vários são os fatores capazes de afetar a germinação, entre eles, disponibilidade hídrica e o teor água nas sementes importantes. Dessa forma, presente trabalho teve objetivo avaliar efeito das disponibilidades hídricas do substrato dos teores na germinação diferentes cultivares feijão verificar ocorrência possíveis efeitos danos por embebição. Os tratamentos foram constituídos sete feijão: IAC-Tunã, IAC-Ybaté, IAC-Apuã, IAC-Tybatã, IAC-Votuporanga, IAC-Carioca Carioca com iniciais semente...

This work aimed to evaluate the interference of seed desiccation on occurrence root protrusion and formation normal cambuci seedlings. Seeds were obtained from mature fruits collected adult plants submitted oven drying with forced air circulation at 30±2°C in order obtain different water contents. The seeds then germination test a completely randomized design 25°C 12 hours photoperiod, weekly evaluated for period 90 days, regarding number protrusion, dead At end speed index (GSI) mean time...

ABSTRACT Kale is a vegetable that has high nutrition content, and balanced fertilization essential to ensure yield quality of agricultural products. Curly kale, less known than regular leaf new possibility for consumption. However, little about the influence type on nutritional characteristics. This study aims evaluate using organic fertilizers productivity, microbiological, physico-chemical characteristics Darkibor hybrid curly kale. The treatments consisted three sources fertilizers, one...

ABSTRACT: Plant extracts effects have been regarded and proven in researches under different applications agriculture, including seed treatment. The plant effectiveness is attributed to the presence of certain classes compounds; therefore, studies that aim identify quantify these composites, which are present used important, as well This research aimed understand describe through a systematic review, what were main carried approaches, identified compounds with agriculture period 2015 2020...