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Improving Nitrogen Use Efficiency (NUE) in cereal cultivation is of high importance for providing nutrition for the growing population in the world while at the same time reducing the overburdening of the environment with the non-productive excess of reactive nitrogen. Wheat is one of the most vital cereals in human and animal nutrition worldwide. In this study, NUE, N yields (Yn) and N surplus (Nb)...
Improving Nitrogen Use Efficiency (NUE) in crops of winter wheat is of interest in Poland, due to their significant share in the sown area. The aim of this study was, therefore, to determine the relationships between grain (Yd) and N yields (Yn), NUE, Water Use Efficiency (WUE) depending on N rates (F) and actual potential evapotranspiration (APET). The study used the results of field experiments,...
Celem pracy było określenie wartości technologicznej ziarna czterech odmian pszenicy ozimej (Arkadia, Arktis, Jantarka, Julius) oraz trzech odmian pszenicy jarej (Arabella, Bombona, Brawura) pochodzących z towarowej produkcji rolniczej ze zbiorów 2013 roku. W ziarnie oznaczono: gęstość w stanie zsypnym, szklistość, zawartość popiołu, zawartość białka, ilość glutenu, wskaźnik sedymentacyjny Zeleny’ego...
One of common cereal pests in Poland are flies of the Agromyzidae family. The larvae of these flies is the stage which is harmful. Leaf miner larvae feeding on the leaf parenchyma cause characteristic damage (mines). Their widespread occurrence contributes to a reduction in leaf assimilation surface. Leaf miner larvae mostly damage first-flag and second leaves. Their damage has a negative effect on...
Przeprowadzone badania miały na celu ocenę pod względem wartości ważniejszych cech plonotwórczych mieszańców pokolenia F3 12 kombinacji krzyżówkowych pszenżyta ozimego z pszenicą ozimą i porównanie ich z formami rodzicielskimi. Badano następujące cechy: wysokość roślin, długość kłosa, liczbę kłosków w kłosie, liczbę i masę ziarn z kłosa, płodność kłoska oraz masę 1000 ziarn. Oceniane mieszańce charakteryzowały...
Badania przeprowadzono w latach 2005-2007 w Instytucie Uprawy Nawożenia i Gleboznawstwa – Państwowym Instytucie Badawczym w Puławach. Doświadczenie mikropoletkowe umieszczono w obrębie doświadczenia łanowego założonego w 1998 roku. W płodozmianie zbożowym uprawiano pszenicę ozimą, pszenżyto ozime i jęczmień jary w technologiach: oszczędnej, średnio intensywnej oraz intensywnej, różniących się poziomem...
Development of tan spot epiphytosis in wheat and triticale has been investigated during three years of cropping seasons 1998-2001. The infection level of plants was scored in four stages of cereals development at the end of tillering (GS 29), shooting (GS 35-37), heading (GS 55-59) and milk maturity (GS 73-77). The monitoring performed on population of 327 wheat and 352 triticale genotypes indicated...
The cereal leaf beetles Oulema melanopus L. and Oulema gallaeciana Heyden (Chrysomelidae) are common pests in European and North American cereal fields. Here we report infestation rates by Oulema spp. and yield loss of winter wheat and barley in Northern Poland (1995 to 1997) and show that both Oulema species might be of significant economic importance. Oulema melanopus was in all the three study...
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