نتایج جستجو برای: transgenic lettuce
تعداد نتایج: 65949 فیلتر نتایج به سال:
Ultralow oxygen (ULO) treatments with different oxygen levels, treatment times, and temperatures were studied to determine effects on western ower thrips mortality and postharvest quality of iceberg lettuce. Thrips mortality increased with reduced oxygen level and increased treatment ime and temperature. At 0.003% oxygen, over 99.6% mortality rates of thrips were achieved in three ULO treatment...
4 Nicolas Martinez, Euripedes A. Ribeiro Jr, Cédric Leyrat, Nicolas Tarbouriech, 5 Rob W.H. Ruigrok and Marc Jamin 6 7 1 Univ. Grenoble Alpes, UVHCI, F-38000 Grenoble, France 8 CNRS, UVHCI, F-38000 Grenoble, France 9 Unit for Virus Host-Cell Interactions, Univ. Grenoble Alpes-EMBL-CNRS, 6 rue Jules 10 Horowitz, 38042 Grenoble, France 11 Institut Laue Langevin, 6 rue Jules Horowitz, 38042 Grenob...
Lettuce is one of the major leafy vegetables that is consumed as fresh and salads crops. Although, today, the tendency is to grow lettuce as hydroponic crop, there is not an optimal nutrient solution and growers use different nutrient solutions for growing lettuce. Therefore, an experiment was conducted to find an optimal nutrient solution to grow lettuce. In this experiment, the effect of va...
Fresh produce is known to carry nonpathogenic epiphytic microorganisms. During agricultural production and harvesting, leafy greens can become contaminated with antibiotic-resistant pathogens or commensals from animal and human sources. As lettuce does not undergo any inactivation or preservation treatment during processing, consumers may be exposed directly to all of the (resistant) bacteria p...
elham ahmadi agricultural zoology research department, iranian research institute of plant protection, tehran, iran received: 16 november 2010 accepted: 21 april 2011 *corresponding author: email: [email protected] abstract one of the effective managing methods for slugs control is cultural method. a field study on the effect of different irrigation times on slug (agriol...
the effects of natural zeolite as a bed medium in increasing lettuce and red tilapia growth as well as improvement of water quality parameters in an aquaponic system were investigated. an experiment with a completely randomized design was run with two treatments in triplicates, 1) an aquaponic system without use of zeolite as a control group and 2) use of a small cotton bag, containing 10 g zeo...
Hirsutella rhossiliensis and Verticillium chlamydosporium infected second-stage juveniles (J2) and eggs of Meloidogyne hapla, respectively, in petri dishes and in organic soil in pots planted to lettuce in the greenhouse. In vitro, H. rhossiliensis produced 78 to 124 spores/infected J2 of M. hapla. The number of J2 in roots of lettuce seedlings decreased exponentially with increasing numbers of...
Perchlorate (ClO) has been detected in edible leafy vegetables irrigated with Colorado River water. The primary concern has been the ClO concentration in lettuce ( L. var. L.). There has been a limited number of studies on ClO uptake, but the interactive effect of other anions on ClO uptake is not known in detail. We conducted a greenhouse ClO uptake experiment using two types of lettuce (icebe...
Enzymatic reactions taking place in minimally processed vegetables are considered as a major problem, because they adversely affect sensorial and nutritional quality. Polyphenol oxidase (PPO), peroxidase (POD) and lipoxygenase (LOX) from lettuce were purified on a column packed with positively charged diethylaminoethyl (DEAE) cellulose by applying pH gradient elution from pH=4.0 to 9.0. The mai...
Background : Leafy vegetables are good sources of folates and food shops nowadays offer an increasing number of lettuce varieties. Objective : To obtain data on the folate content and forms in common lettuce varieties and spinach sold in the Nordic countries, and to investigate effects of different storage conditions and preparations in the consumer’s home or at lunchtime restaurants. Design : ...
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