Life Sciences and Agriculture

Journal of Plant Protection Research

Content

Journal of Plant Protection Research | 2002 | No 1

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Abstract

From May to July in the years 1995-2000 studies on the numbers of density ofCarabidae on two fields with different cultivation systems (intensive and conventional) were performed. Including other elements like kind of a crop and weather conditions during the investigations it was possible to compile a summary numerical index ofmain factors having the influence on the occurrence of Carabidae and being in a very good correlation with the number of these insects in agroecosystems.
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Authors and Affiliations

Tadeusz Pałosz
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Abstract

The most important distinctive features and some morphological and bionomie characteristic of Liriomyza huidobrensis are presented in this paper.
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Authors and Affiliations

Ewa G. Dankowska
Tadeusz Baranowski
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Abstract

Multiresidue matrix solid-phase dispersion (MSPD) technique with capillary gas chromatographic detection for determination and quantification of ten commonly used organophosphorus pesticides (chlorpyrifos, chlorpyrifos-rnethyl. diazinon, dimethoate, fenitrothion, formothion, malathion, parathion, phosalone, pirimiphos-rnethyl) in fruits and vegetables is described. The method gave high recoveries for all spiked samples in 80-120% range. The limits of detection were from 0.01 w 0.1 mg/kg for che compounds studied and were much lower chan maximum residue levels (MRLs) allowed. The procedure was applied to the deterrninatien of ten organophosphorus pesticides in samples collected during che routine crop monitoring.
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Authors and Affiliations

Bożena Morzycka
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Abstract

In four-year experiments the influence of droplet size and nozzle designs on the activity of a commercial herbicides triberenuron-rnethyl (Granstar 75 WG) and mixture of2,4 D, dicamba, and mecoprop (Aminopielik Tercet 500 SL) applied ro broadleaf weeds in spring barley was examined. The recommended and half doses were applied at 200 and 280 1 ha" and at 250-570 μm (VMD) diameter droplet sizes, using air inclusion (ID 12003), low drift (TT 11003) and conventional flat fan (11003 XR) nozzles. The results showed that smaller droplet size increased herbicide performance at constant spray volume, regardless of the droplet size range investigated. A significant interaction between the droplet size and herbicide type was observed. Generally, for triberenuron-rnethyl a performance was increased at smaller droplet size (250-270 μm), but significant increase of herbicide activity only at half dose was obtained. There were no significant interactions between droplet size and performance of mixture 2,4 D, dicamba, and mecoprop.
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Authors and Affiliations

Roman Kierzek
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Abstract

The obtained results showed that grain aphid (Sitobion avenae Fabr.) feeding caused an increase of the total protein content and a decrease of soluble protein level in the ears of both studied winter triticale cultivars (i.e. susceptible cultivar Grado and relatively resistant - Lasko). Moreover, the content of amino acids in soluble protein increased in Grado plants infested with the aphid, and reduced - in Lasko.
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Authors and Affiliations

Cezary Sempruch
Antoni Piotr Ciepiela
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Abstract

There is currently a very favorable climate for biological control of pest weeds. Moreover, biological control plays a significant role in the Integrated Plant Protection Management. Traditional methods of weed control, such as cultivation and the use of herbicides are not practical or desirable for some stands of weeds, and biological control has become an attractive strategy for control of pest weeds. Control of Rumex confertus Willd. by natural enemies that reduce its density is the good example of utilizing biological control on the European and worldwide scale. The aim of the conducted studies was to evaluate the dynamic of population of Pegomya nigritarsis Ztt. (Diptera, Anthomyiidae) on Rumex confertus Willd. and to determine the impact of pest's injuries on the growth of a plant.
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Authors and Affiliations

Dariusz Piesik
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Abstract

The bioindicative research conducted in 1998 concerned the soil polluted by lead in the region ofGlass Factory in Krosno. Potato beetle larvae descending to soil for pupation were the soil bioindicator. Samples of soil were collected in the distance of 500 to 1,000 m from the factory emitters, and later the lead content was determined in the Chemical Agricultural Station in Rzeszów. The lead level in the l" pollution zone was 200.0 mg Pb/kg while in the 2"d zone 70.0 mg/kg, and in the soil sample from the control field the level was 12.0 mg/kg. The obtained results of the analysis conducted in the laboratory of the Regional Experimental Station did not show any significant differences between both the beetle mass which emerged from the soil, and their number from the control field and the experimental one.
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Authors and Affiliations

Zdzisław Przybylski
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Abstract

The results of studies on residues of dithiocarbamate fungicides in 13 different crops during 1999-2000 are presented. According ro monitoring programme 2,226 samples of fruits and vegetables were collected from the productions sites in the whole country. The samples were analyzed for residue content by a spectrophotometric method. In 11.3% of samples the residues were detected. Residues exceeding Polish MRLs were found in 10 samples (0.5 %).
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Authors and Affiliations

Bożena Morzycka
Anna Nowacka
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Abstract

Field experiments were conducted to determine the influence of adjuvams on fenoxaprop-Pvethyl bioefficacy against wind grass (A pera spica-venti), wild oats (Avena fatua) and barnyard grass (Echinochloa crus-galli). The commercial product Puma Universal 069 EW, which contains 69 g,/1 offenoxaprop-P-ethyl, was applied with different adjuvants in springtime in winter barley, winter triticale, winter wheat and spring wheat. The adjuvants have improved efficacy of Puma Universal 069 EW. Mineral paraffin oil (Atpolan 80 EC) was the most effective adjuvant.
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Authors and Affiliations

Kazimierz Adamczewski
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Abstract

Method for determination of carbendazim residues in fruits, vegetables and cereals was described. The compound was extracted with methanol-hydrochloric acid mixture, and after liquid-liquid partition step with dichlorornethane, was determined by high performance liquid chromatography (HPLC) with column switching and ultraviolet (UV) detection. The average recoveries of carbendazim from fortified sample were from 68.7% ± 4.3% to 92.6% ± 4.5%, the coefficients of variation were from 2.9% to 6.3%, and the limits of quantification at "A = 279 nm were from 0.02 mg/kg to 0.2 mg/kg.
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Authors and Affiliations

Monika Michel
Bogusław Buszewski
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Abstract

In the experiments the lifetime, survival and feeding preferences of Sitona lineatus L. on the various broad bean cultivars were investigated. The measures of the injured disks were performed by means of automatic image analysis. This method led to reduction of time required for the measures. Based on these experiments it can be suggested that Hangdown Zielony was the most preferable and suitable cultivar for the S. lineatus adults from all tested broad bean cultivars. The largest injured disk surface, the longest life and the highest survival of Sitona weevils were recorded on this variety.
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Authors and Affiliations

Elżbieta Wojciechowicz-Żytko
Mariusz Młynarczuk
ORCID: ORCID
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Abstract

The Airjet bi-fluid nozzle mixes air with the spray solution inside the nozzle to atomize the spray. The AirJet can produce droplets of consistent size at a wide range of flow rates. Unlike conventional nozzles, the Airjet will not change droplet size as rates and pressures change. The quality of wheat spraying obtained while applying AirJet TK-VSlO nozzles was tested. The coverage was estimated on water sensitive papers. Nozzles were used at the liquid pressure: 0.22; 0.28; 0.35 MPa and air pressure: 0.07; O.OS; 0.09; 0.1 MPa. Relatively low spray volumes 90 I/ha, 11 O I/ha and 150 I/ha were obtained at constant working speed of 6 km/h.
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Authors and Affiliations

Andrzej Gajtkowski
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Abstract

Stevenson W.R., Loria R., Franc G.D., Weingartner D.P. (eds.). 2001. Compendium of Potato Diseases. 2"d edition. APS Press, The American Phytopathological Society, St. Paul, Minnesota, USA, ISBN 0-89054-275-9.
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Authors and Affiliations

Jerzy J. Lipa

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Manuscripts published in JPPR are free of charge. Only colour figures and photos are payed 61.5 € per one colour page JPPR publishes original research papers, short communications, critical reviews, and book reviews covering all areas of modern plant protection. Subjects include phytopathological virology, bacteriology, mycology and applied nematology and entomology as well as topics on protecting crop plants and stocks of crop products against diseases, viruses, weeds, etc. Submitted manuscripts should provide new facts or confirmatory data. All manuscripts should be written in high-quality English. Non-English native authors should seek appropriate help from English-writing professionals before submission. The manuscript should be submitted only via the JPPR Editorial System (http://www.editorialsystem.com/jppr). The authors must also remember to upload a scan of a completed License to Publish (point 4 and a handwritten signature are of particular importance). ALP form is available at the Editorial System. The day the manuscript reaches the editors for the first time is given upon publication as the date ‘received’ and the day the version, corrected by the authors is accepted by the reviewers, is given as the date ‘revised’. All papers are available free of charge at the Journal’s webpage (www.plantprotection.pl). However, colour figures and photos cost 61.5 € per one colour page.

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