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6941
Assessing the demand and current status of agricultural mechanization in major coffee-production areas of Ethiopia
Published 2023-08-01“…Coffee harvesting is a highly time-sensitive operation for 49.4% of smallholder farmers, with hand tools being the main implement dominantly used for weeding. Poor harvesting practices reduce the quality of coffee during processing, and some unions have two or more wet mills using old machinery. …”
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6942
<i>Solanum nigrum</i> L. is a potato spindle tuber viroid reservoir
Published 2022-10-01“…Background. Among the weeds of the Solanaceae family, a potential viroid infection reservoir, black nightshade (Solanum nigrum L.), is ubiquitous in Russia.Materials and methods. …”
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6943
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6944
The Epidemiological Framework for Biological Invasions (EFBI): an interdisciplinary foundation for the assessment of biosecurity threats
Published 2020-10-01“…Emerging microparasite (e.g. viruses, bacteria, protozoa and fungi) epidemics and the introduction of non-native pests and weeds are major biosecurity threats worldwide. The likelihood of these threats is often estimated from probabilities of their entry, establishment, spread and ease of prevention. …”
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6945
Study on the Hole-Forming Performance and Opening of Mulching Film for a Dibble-Type Transplanting Device
Published 2024-03-01“…In order to improve the quality of transplanting devices and solve the problems of the poor effect on soil moisture conservation and more weeds easily growing due to the high mulching-film damage rate with an excessive number of hole openings, we developed a dibble-type transplanting device consisting of a dibble-type transplanting unit, a transplanting disc, and a dibble axis. …”
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6946
Comparative Risk Assessment of Three Native <i>Heliotropium</i> Species in Israel
Published 2021-01-01“…<i>Heliotropium</i> species (Boraginaceae) are PA-producing weeds, widely distributed in the Mediterranean region, that have been implicated with lethal intoxications in livestock and humans. …”
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6947
Analysis of the Influence of Parameters of a Spraying System Designed for UAV Application on the Spraying Quality Based on Box–Behnken Response Surface Method
Published 2022-01-01“…With the development of precision agriculture (PA), low-altitude and low-volume spraying based on unmanned aerial vehicles (UAVs) is playing an increasingly important role in the control of crop diseases, pests, and weeds. However, the aerial spraying quality and droplet drift are affected by many factors, some of which are controllable (e.g., flight and spraying parameters) and some of which are not (e.g., environmental parameters). …”
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6948
Efeito do Fogo nas Características Químicas e Biológicas do Solo no Sistema Agroflorestal da Bracatinga Effects of Burning Harvesting Residues on Soil Chemical and Biological Chara...
Published 2011-03-01“…This system uses to burn residues to assure revegetation of new harvest and to control weeds. Treatments tested were revegetation using fire and without fire and a test plot consisting of native forest. …”
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6949
Freezing stress affects the efficacy of clodinafop-propargyl and 2,4-D plus MCPA on wild oat (Avena ludoviciana Durieu) and turnipweed [Rapistrum rugosum (L.) All.] in wheat (Triti...
Published 2022-01-01“…Wheat and its two common weeds, winter wild oat (Avena ludoviciana Durieu) and turnipweed [Rapistrum rugosum (L.) …”
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6950
Unsupervised Methodology for Large-Scale Tree Seedling Mapping in Diverse Forestry Settings Using UAV-Based RGB Imagery
Published 2023-11-01“…While spectral and structural metrics efficiently filtered out non-vegetation objects and weeds, they struggled to differentiate planted seedlings from regenerating ones due to their similar characteristics, resulting in a large number of false positives. …”
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6951
Synthesis and validation IPM technology and its economic analysis for bottle gourd (Lagenaria siceraria)
Published 2020-03-01“…The IPM technology that synthesized comprising seed treatment with Trichoderma viride @5 g/kg of seed; installation of cue lure traps (MAT) for fruit flies @10/acre; raking of soil for exposing fruit fly pupae and removal of weeds, need based application of Bacillus thuringiensis @2 g/litre against Sphenerches caffer; need based spraying of Azadirachtin based neem insecticide @10 ml/litre and Imidacloprid 17.8SL @0.33 ml/litre of water for mirid bugs and whiteflies; fungicide Cymoxanyl 8WP+Mancozeb 64WP @2.5 g/litre against downy mildew were found effective in reducing the incidence of pests and minimizing the yield losses. …”
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6952
From the ground up: Patterns and perceptions of herbaceous diversity in organic coffee agroecosystems
Published 2022-07-01“…Farmer perception of plant traits in the herbaceous community was differentiated into competitive (weeds) or neutral/positive effects. These perceptions aligned with well‐established functional trait trade‐offs. …”
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6953
Variabilidad genética de la bacteria Ralstonia solanacearum (Burkholderiales: Burholderiaceae) en la zona bananera de Urabá (Colombia)
Published 2010-03-01“…This is the first study of its variation in Colombia and was done with AFLP molecular markers on a population of 100 isolates from banana plants, soils and "weeds". The high level of genetic diversity, with Nei and Shannon indexes of h=0.32 and I=0.48, respectively, and the AMOVA, showed that this population is subestructured (Fst=0.66): the host is the main factor of differentiation. …”
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6954
Non Target Site Tolerance Mechanisms Describe Tolerance to Glyphosate in Avena sterilis
Published 2016-08-01“…The above-mentioned results indicate that innate tolerance to glyphosate in A. sterilis is probably and partly due to reduced herbicide absorption and translocation and metabolism compared to the susceptibility of other grasses weeds like Chloris inflata, Eleusine indica and Lolium rigidum.…”
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6955
Allelopathic Toxicity of Cyanamide Could Control Amaranth (<i>Amaranthus retroflexus</i> L.) in Alfalfa (<i>Medicago sativa</i> L.) Field
Published 2022-10-01“…Despite increasing knowledge coming to light of allelochemicals as leads for new herbicides, relatively little is known about the mode of action of allelochemical-based herbicides on herbicide-resistant weeds. Cyanamide is an allelochemical produced by hairy vetch (<i>Vicia villosa</i> Roth.). …”
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6956
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6957
Simulating capture efficiency of pitfall traps based on sampling strategy and the movement of ground-dwelling arthropods
Published 2023“…We contextualise our results by considering the locomotion of Pterostichus melanarius, a highly active carabid beetle often serving as a biocontrol agent for the suppression of pest insects and weeds. <br> 3. By simulating the trapping of randomly moving ground-dwelling arthropods, we show that there is an optimal inter-trap separation distance (trap spacing) that maximises captures, that can be expressed using exact formulae in terms of trap opening sizes, sampling area and trap number. …”
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6958
Ground-level ozone: a threat to rice crop in Muda irrigation area of Peninsular Malaysia.
Published 2008“…The results of the study clearly indicate that at ozone concentrations even lower than the Malaysian air quality guidelines (60 ppb 8 hr mean) level, there exist a significant impact on the growth and yield of the popular rice cultivar MR-219. Even though weeds, diseases, and insect pests were absent, water and nutrients were in abundance, no adverse soil conditions, and that no extreme weather event such as typhoons occurs; the physiological, growth and development performances of rice plants exposed to ambient ozone were found to be significantly (P< 0.05) reduced by AOT40 compared to control rice plants in filtered chamber. …”
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6959
Spatial distribution of carbon and nitrogen stable isotope in soil of an oil palm plantation
Published 2017“…The objective of this study was to investigated the total organic carbon (TOC) and nitrogen (TON) content, and δ 13C and δ 15N values of soil in an oil palm plantation at different soil depths: 0-30, 30-60 and 60-90 cm and at different distances ((1.5 m: weeded circle), 3.5 (inter-rows) and 4.5 m (frond heap)) away from the tree base. …”
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6960
The effect of 2, 4-D (2, 4-dichlorophenoxyacetic acid) and glyphosate (N-phosphonomethyl glycine) toxicity on stingless bee, Trigona itama using direct spray and bioassays methods
Published 2018“…Although it is used to killed weeds, however, it could killed stingless bees directly or indirectly. …”
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