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Introduction
Publications
Publications (24)
The exogenous application of salicylic acid prevents plant damage caused by various abiotic stresses (drought, high and low temperatures, salinity) and helps plants to build resistance to biotic stresses (pathogens). Acetylsalicylic acid, which is a synthetic salicylic acid derivative, has the same properties. In the face of climate change and a gr...
Temperature strongly influences the growth of maize, particularly in the early growth stages. The exogenous application of some amino acids has been proven to have a positive effect on plant growth and development under stressful conditions. The objective of the study was to evaluate the response of maize that was grown under an optimal and stress...
Optimized application of the preparations aims at the utilization of the current state of knowledge, extension services and technical potential of sprayers in order to apply herbicides in the amounts required to achieve a specific objective, at the same time not exceeding the recommended dose of the preparation. The choice of a herbicide for a give...
The aim of the study was to analyze segetal weeds present in spring barley against the background of changes in pluvio-thermal conditions observed over the last 20 years (1993–2012) at the Field Experimental Station of the Institute of Plant Protection – National Research Institute in Winna Góra, Poland. Based on the mean value of the Sielianinov h...
Pot experiments performed in the Institute of Plant Protection - National Research Institute were designed to determine the influence of the root systems of various spring cereal species sown in mixtures. The experiment used the Bryza variety of spring wheat, Antek variety of spring barley, and Cwał variety of oat, sown in two-species mixtures (8 +...
In 1979, Singh and Dey defined a block design with nested rows and columns (NRC for short). In this paper we take the view, common among statisticians, that the principles for the planning of factorial experiments and near-factorial experiments in NRC designs are not the same. A group divisible NRC design for a factorial experiment is considered.
S...
Glasshouse and laboratory experiments were conducted during 2009-2010 in the Institute of Plant Protection in Poznań. The aim of these trials was to determine an influence of seaweed extracts (Ecklonia maxima and Saragassum spp.) and a humic (12%) and fulvic (6%) acids mixture on the germination, early growth and development of maize depending on t...
The study was carried out for determination of changes in weed infestation of winter wheat cultivars under varying organic and conventional crop production system. Research was realized in 2006-2009 in the Institute of Plant Protection in the Experimental Station. The weed communities were compared using Shannon’s diversity index and Simpson domina...
Optimized application of the preparations aims at the utilization of the current state of knowledge, extension services and technical potential of sprayers in order to apply herbicides in the amounts required to achieve a specific objective, at the same time not exceeding the recommended dose of the preparation. The choice of a herbicide for a give...
In 2006-2008 strict, one-factorial field experiments were established in randomized block design with the control in four replications at three fields situated in Kurowo (52o07’ N; 16o39’ E), Czerniejewo (52o26’ N; 17o29’ E) and Winna Góra (52o12’ N; 17o27’ E). The main goal of the presented paper was to evaluate the selected herbicide selectivity...
EFFECT OF SOIL VARIATION AND SOIL TILLAGE SYSTEMS ON SOIL WEED SEEDBANK.......... SUMMARY.......... The objective of the study was to measure changes in the seedbank of weeds under the soil type and soil tillage system used for winter wheat. Reduced soil tillage and direct drilling decreased the number of sprouting seeds of Apera spica-venti and Vi...
REDUCED DOSE OF HERBICIDE – OUTLOOK, RESEARCHES AND PRACTICE ..........
SUMMARY .........
Plant production is a large sector within agriculture, in which in different farming systems a significant problem is the incidence of weeds, constituting a major threat to the adequate level and quality of yields. An increasing supply of agricultural produc...
INFLUENCE OF APPLICATION TIME OF HERBICIDE REDUCED DOSES ON WEED CONTROL EFFICIENCY IN THE SPRING CEREALS......
SUMMARY. .....
This work considers aspect of application time of reduced herbicide doses in spring cereals. Two series of research was conduced in the Institute of Plant Protection in Poland. Two herbicides were applied in recommended...
Streszczenie . �cisøe jednoczynnikowe dowiadczenia polowe w ukøadzie losowanych bloków w czterech powtórzeniach wykonano w latach 2006-2008 w trzech lokalizacjach: w Kurowie w powiecie kociaskim (52 o 07' N; 16 o 39' E), w Czerniejewie w powiecie gnienieskim (52 o 26' N; 17 o 29' E) oraz w Winnej Górze w powiecieredzkim (52 o 12' N; 17 o 27' E). Pr...
In years 2006-2009, six experiments were carried out. Their aim was the assessment of the effectiveness of herbicides used for weed control in maize at lower doses and different dates. Herbicides were applied in three variants: (1) twice on weeds at a stage no later than two proper leaves regardless of maize developmental stage, (2) in-leaf operati...
