نتایج جستجو برای: post harvest pests

تعداد نتایج: 434690  

2015
Paul E. McNamara

Post-harvest losses represent a significant threat to food security and farmer incomes worldwide. It is an inefficiency in the global food production system that is avoidable. In deducing principles of designing and implementing agricultural extension programs to reduce post-harvest losses, valuable lessons can be gleaned from the handful of previous extension projects and programs addressing p...

2014
Grzegorz Orłowski Jerzy Karg Grzegorz Karg

Farming activity severely impacts the invertebrate food resources of farmland birds, with direct mortality to populations of above-ground arthropods thorough mechanical damage during crop harvests. In this study we assessed the effects of phenological periods, including the timing of harvest, on the composition and biomass of prey consumed by three species of aerial insectivorous birds. Common ...

Journal: :Neotropical entomology 2008
Paulo R S Farias José C Barbosa Antonio C Busoli William L Overal Vicente S Miranda Susane M Ribeiro

The fall armyworm, Spodoptera frugiperda (J.E. Smith), is one of the chief pests of maize in the Americas. The study of its spatial distribution is fundamental for designing correct control strategies, improving sampling methods, determining actual and potential crop losses, and adopting precise agricultural techniques. In São Paulo state, Brazil, a maize field was sampled at weekly intervals, ...

Journal: :Genetics and molecular research : GMR 2017
D Song X Xiong W F Tu W Yao H W Liang F J Chen Z Q He

Lettuce (Lactuca sativa L.) is an annual plant of the daisy family, Asteraceae, with high food and medicinal value. However, the crop is susceptible to several viruses that are transmitted by aphids and is highly vulnerable to post-harvest diseases, as well as insect and mammal pests and fungal and bacterial diseases. Here, the rabbit defensin gene NP-1 was transferred into lettuce by Agrobacte...

2010
Richard L. Bruno

To test the hypothesis that fatigue and fainting occur together, 1,047 polio survivors and 419 non-disabled control subjects were asked about the frequency and cause of fainting and asked to rate their typical daily fatigue severity. Fatigue severity was significantly higher in polio survivors as compared to controls, and in both polio survivors and controls who had fainted, as compared to thos...

Journal: :Jurnal Proteksi Tanaman 2022

Post-harvest fungi attacks in storage can reduce the quality of Arabica coffee. The study aimed to determine level infection and types post-harvest coffee beans their quality. research was carried out at Phytopathology Laboratory Plant Pests Diseases Department Seed Technology Agronomy Department, Agriculture Faculty, Universitas Andalas, Padang, from June August 2021. detected using blotter me...

Journal: :journal of agricultural science and technology 2016
f. sen r. oksar m. kesgin

this study aimed to determine the effects of different shading ratio and covers on “sultana seedless” table grape quality and storability. grapevines were covered at the veraison stage with 3 shading nets (0, 35, and 75% shading), which were then replaced with covering materials including polypropylene cross-stitch (pc), life pack (lp) and mogul (mg), just before harvest. harvested grapes in al...

2014
Roseana Mara Aredes Priuli Maria Silvia de Moraes Rafael Morais Chiaravalloti

OBJECTIVE Evaluate the impact of stress on sugar cane cutters and the prevalence of physical and psychological symptoms before and after harvest. METHODS We studied 114 sugarcane cutters and 109 urban workers in the pre-harvest and 102 sugar cane cutters and 81 urban workers in the post-harvest period in the city of Mendonça, SP, Southeastern Brazil, in 2009. Data analysis was based on the fr...

Journal: :Food and Nutrition Bulletin 1980

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