Wyniki wyszukiwania - Biblioteka Nauki

1

Multi-trait evaluation of value for cultivation and use of early maturing edible potato cultivars registered in Poland

100%

Rymuza K.

Journal of Ecological Engineering

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2015

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tom Vol. 16, nr 1

50--56

EN

The work presents an analysis of diversity and comparison of value for cultivation and use of early maturing potato cultivars registered with the Polish National Register of Cultivars. The comparison was based on 17 yield and appearance traits and quality attributes of tubers as well as their resistance to diseases. The analysis employed the following multi-dimensional statistical methods: principal component analysis and cluster analysis. The principal component analysis revealed that over 70% of the total variation was associated with the first 6 principal components. Cluster analysis yielded 4 groups of genotypes. The first group consisted of the cultivars which produced tubers with the most shallow eyes, the best flavour and the least severe darkening of raw flesh. The cultivars in the second group produced high yields and were low in starch, dry matter and glycoalkaloids. The tubers of cultivars which were classified into the third group had the highest starch, dry matter and vitamin C contents. However, they produced the lowest yields and were quite susceptible to most diseases. The fourth group was made up of high-yielding cultivars which tended to accumulate glycoalkaloids but were most resistant to hollow heart in tubers.

2

Some possibilities of the differentiation of PVY isolates and strains

88%

Kaczmarek U.

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1995

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tom 09

3

The effect of non-woven polypropylene covering on the yield of very early potato cultivars

88%

Wadas W. , Jablonska-Ceglarek R.

Vegetable Crops Research Bulletin

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2001

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tom 54

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nr 2

4

Using SSR to evaluate the genetic diversity of potato cultivars from Yunnan Province (SW China)

75%

Liao H. , Guo H.

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nr 1

5

Evaluation of the effect of planting distance and harvesting time on the carotenoids and phytochemicals of selected orange-fleshed sweet potato varieties

75%

Kalu O. O. , Ojimelukwe P. C. , Ukom A. N.

International Letters of Natural Sciences

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2017

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tom 66

EN

We evaluated the carotenoid profile and concentration (by HPLC) and the phytochemical content of two OFSP varieties (Umuspo 3 and Ex-Igbariam) planted at three distances (20 cm, 30 cm and 40 cm) and harvested in two different periods (12th and 16th weeks after planting) respectively. Carotene contents of the outer peel and inner flesh of the sweet potato varieties were also determined. The results showed wide variation in the carotenoid and phytochemical content among the varieties at different planting spaces and harvest periods. Umuspo 3 planted at 20 cm, 30 cm and 40 cm had significantly greater carotenoid concentration than Ex-Igbariam variety. The predominant carotenoid was β-carotene with highest concentration obtained from 40 cm planting distance (92.82µg/g) and 30 cm (80.97µg/g) for Umuspo 3. Ex-Igbariam at 30 cm planting distance contained 2.51µg/g β-carotene when harvested after 16th weeks. Also the highest β-carotene concentration was from Umuspo 3 flesh sample planted 30 and 40 cm (409.45 and 441.15 mg/100g) and the peel for samples planted 30 and 40 cm (490.47 and 640.69 mg/100g, respectively) at the 12th week of harvest. Flavonoids were present in significant amounts (310.62mg/100g) in Umuspo 3 planted at 30 cm and harvested after 12th week while in total polyphenol, significant quantities of ≈42.12mg/100g was present in Ex-Igbariam spaced at 30 cm and 40 cm and harvested after 16th week. Provitamin A carotenoid was calculated and Umuspo 3 pro-vitamin A carotenoid was significantly higher (p< 0.05) with highest concentration (742.26 RE/100g) present in samples from 40 cm planting distance. The results showed that planting space and harvesting period had significant impact on the carotenoid and phytochemical concentrations of OFSP varieties. Planting distances of 30 and 40 cm are recommended for high carotenoid content in the two sweet potato varieties.

6

Antioxidant activity responses under freezing stress in two potato cultivars with different sensibility

75%

Mora-Herrera M. , Martinez-Gutierrez R. , Lopez-Delgado H.

BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology

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2013

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tom 94

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nr 2

7

Occurrence of some diseases and Globodera rostochiensis [Woll.] behrens depending on the proportion of potato in crop rotation

75%

Piramowicz W. , Songin W. , Szysz H. , Wronkowska H.

Phytopathologia Polonica

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1994

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tom 07

8

Interaction between PVM and PVYN in 11 potato cultivars

75%

Pietrak J.

Phytopathologia Polonica

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1994

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tom 08

9

Effect of planting dates and spacing on the infection of selected potato cultivars by Phytophthora infestans [Mont.] De Bary

75%

Kurzawinska H.

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1992

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tom 03

10

Architecture of the root system of potato cultivars grown in aeroponics

63%

Rykaczewska K. , Zarzynska K. , Boguszewska-Mankowska D.

Electronic Journal of Polish Agricultural Universities. Series Agronomy

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2018

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tom 21

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nr 1

11

The use of Bacillus subtilis for the protection of potato against phytophthora infestans in organic farming

63%

Kowalska J. , Drożdżyński D. , Kaczmarek D.

Journal of Research and Applications in Agricultural Engineering

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2017

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tom Vol. 62, nr 3

186--189

EN

This study includes 1) greenhouse tests to evaluate B. subtilis used as preventative and intervention treatments against P. infestans on potato plants and 2) field studies. Lord and Denar cultivars were used. As prevention treatments, the Serenade ASO (contains Bacillus subtilis) was applied at a dose of 8 l / ha as 3 and /or 6 treatments at intervals of 7 days. The first treatment was performed at BBCH 11, symptoms of P. infestans, A. solani, A. alternata were not observed on the plants. As a reference, copper-based fungicide (Nordox 75 WG) treatments were used at a total dose of 3 kg Cu/ha / season. Over the season, observations were made concerning the occurrence of disease symptoms (potato blight, alternaria) that caused plants’ drying up. Effectiveness of the treatments was evaluated by assessing the percentage of infestation of potato plants, in relation to the combination of experiments. It has been found that B. subtilis has the potential to protect against P. infestans used as preventive application, while in field conditions the protective effect occurs only after 6 treatments and is comparable to that of copper.

PL

W ramach badań wykonano 1) badania szklarniowe w celu oceny zastosowania prewencyjnego i interwencyjnego B. subtilis w stosunku do P. infestans na roślinach ziemniaka oraz 2) badania polowe. Wykorzystano odmiany Lord i Denar, odpowiednio. Jako prewencję zastosowano środek Serenade ASO w postaci drobnokropelkowego opryskiwania nalistnego w dawkach 8l/ha. Wykonano 3 i/lub 6 zabiegów w odstępie 7 dni. Pierwszy zabieg wykonano w fazie BBCH 11. W momencie rozpoczęcia zabiegów nie zanotowano obecności P. infestans i A. solani, A. alternata na roślinach. Jako referencję zastosowano zabiegi z fungicydem opartym na miedzi, liczba zabiegów była adekwatna do momentu wykorzystania miedzi jak substancji aktywnej w dawce całkowitej do 3 kg Cu/ha/sezon. W trakcie całego sezonu prowadzono obserwacje dotyczące występowania objawów chorób (zaraza ziemniaka, alternarioza) powodujących zasychanie roślin. Efektywność zabiegów oceniano poprzez ocenę stopnia procentowego porażenia przez patogeny roślin ziemniaka w zależności od kombinacji do- świadczenia. Stwierdzono, że B. subtilis wykazuje potencjał ochronny przed P. infestans w momencie prewencyjnego aplikowania, przy czym w warunkach polowych działanie zabezpieczające występuje jedynie po wykonaniu 6 zabiegów i jest porównywalne z zabiegami z miedzą.

12

Monitoring of Phytophthora infestans development with a luminancemeter

63%

Wojtowicz A. , Piekarczyk J.

Journal of Plant Protection Research

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2001

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tom 41

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nr 3

EN

Two potato cultivars, sprayed and nonsprayed with fungicides, were evaluated to determine the association of late blight (caused by Phytophtora infestans) and radiometric leaf reflectance to disease development. Spectral radiance measurements were taken with CIMEL CE3132 luminancemeter in the visible (450 nm, 550 nm and 650 nm) and near-infrared (850 nm) range of the electromagnetic spectrum. The measurements were taken at two view zenithal angles: ɸv= 0° (at nadir) and ɸv = 50°. Six vegetative indices based on these measurements were used to detect differences between sprayed and nonsprayed plants. Vegetation indices based on the reflectance measurement enable to distinguish infected potato plants from noninfected plants. Among the vegetation indices used in this studies the best indicators of disease were NIR/RED and ELAI. Results of our study show that for Mila cultivar oblique viewing may be more effective then nadir viewing (perpendicular to the ground surface) for distinguishing between plants infested at different degree.

PL

Opracowanie technik teledetekcyjnych służących do wykrywania i obserwacji rozwoju chorób roślin wymaga poznania ich właściwości spektralnych. Służą temu polowe pomiary spektralne roślin, których celem jest stwierdzenie różnic w ilości pochłanianego i odbijanego promieniowania słonecznego przez rośliny chore i zdrowe. Zastosowanie wskaźników wegetacyjnych, czyli porównanie od bicia fal elektromagnetycznych o różnych długościach od tego samego obiektu w tym samym czasie, może stanowić lepszą podstawę do opisu jego charakterystyki spektralnej niż pomiary odbicia każdej z fal analizowane oddzielnie. Celem badań było stwierdzenie, który ze wskaźników wegetacyjnych obliczonych na podstawie zmierzonych danych spektralnych najbardziej nadaje się do wykrycia zróżnicowania między zdrowymi i chorymi roślinami ziemniaka. Ponadto podjęto próbę uzyskania odpowiedzi na pytanie, czy pomiary wykonywane pod kątem innym niż 0° umożliwiają łatwiejsze zidentyfikowanie chorych roślin.

13

Testing method for antagonistic or pathogenic potential of microbes and for potato cultivars resistance to black leg and soft rots

63%

Sharga B. M.

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tom 47

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nr 2-4

14

Potato virus Y genes and proteins, perspectives for engineered plant resistance

63%

Chachulska A. M. , Lipska-Dwuznik A. , Robaglia C. , Chrzanowska M. , Flis B. , Zagorski W.

Biological Bulletin of Poznań. Supplement

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1997

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tom 34

15

Dry matter and carbohydrates content in the tubers of very early potato varieties cultivated under coverage

63%

Sawicka B. , Pszczolkowski P.

Acta Scientiarum Polonorum. Hortorum Cultus

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2005

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tom 04

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nr 2

EN

The study were carried out in the years 1996–1998 on the soil characterized as a good rye complex. The experiment was set according to the method of randomized sub blocks at 3 replications. The four following factors were examined: 1) cultivation technologies: a) conventional technology – control, b) with polyethylene sheeting, c) with polypropylene sheeting, d) with double shield of polypropylene and polyethylene sheeting; 2) methods of weed control of potato: a) mechanical, b) with Afalon, c) with Racer, d) with herbicide mixture Afalon + Command; 3) potato cultivars: Aster and Drop; 4) harvest terms: a) 60 days after planting, b) 75 days after planting, c) harvest at full maturity. Coverage application at potato cultivation, as compared to traditional one, contributed to the decrease of dry mass and the increase of starch, total sugars, reducing sugars and sacharose in the potato tubers.

PL

Badania przeprowadzono w latach 1996–1998 na glebach kompleksu dobrego żytniego. Eksperyment założono metodę losowanych podbloków w 3 powtórzeniach. Badano 4 następujące czynniki: 1) technologie uprawy: a) technologia tradycyjna jako obiekt kontrolny, b) z folią polietylenową, c) z agrowłókniną polipropylenową, d) z podwójną osłoną z folii i włókniny polipropylenowej; 2) sposoby pielęgnacji ziemniaka: a) mechaniczna, b) z zastosowaniem Afalonu, c) z użyciem Raceru, d) z zastosowaniem mieszaniny herbicydów Afalon + Command; 3) odmiany ziemniaka: Aster i Drop; 4) terminy zbioru: a) 60 dni po sadzeniu, b) 75 dni po sadzeniu, c) po dojrzeniu. Stosowanie osłon w uprawie ziemniaka, w porównaniu z uprawą tradycyjną spowodowało wzrost zawartości w bulwach skrobi, cukrów ogółem, cukrów redukujących i sacharozy, a spadek koncentracji suchej masy.

16

Quality of French-fries of 37 potato cultivars in conditions of application of growth regulators mival and poteitin

63%

Sawicka B. , Mikos-Bielak M.

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2002

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tom 05

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nr 2

EN

Use of growth regulators at potato cultivation and its effect on subsequent french-fries quality. The qualitative analyses of french-fries were based on tuber samples from a field experiment carried out on sandy-loamy soil in 1990-1992 in Parczew, Biała Podlaska Province. The experiment was set up with randomized subblocks in three replications. The subblocks of 1st row were made by the growth regulators: a) Mival concentration 500 mg × l-1 water; b) Poteitin concentration 10 mg × l-1 water; c) the control with distilled water. The growth regulators were applied onto the tubers in a spray form just before the planting. A factor of 2nd row was made by 37 potato cultivars out of all the earliness groups. Regulator Mival contributed to french-fries taste and flavour improvement in the years of a warm and dry potato vegetative period and Poteitin preparation has contributed significantly to improve french-fries consistency.

17

Identification of superior parents for potato breeding programmes of new cultivars for processing

63%

Domanski L. , Zimnoch-Guzowska E. , Domanska M.

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2002

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tom 46

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nr 1

18

The effect of the cultivation method and nitrogen fertilization on the size and structure of the yield of immature potato tubers

51%

Wadas W. , Jablonska-Ceglarek R. , Kosterna E.

Electronic Journal of Polish Agricultural Universities. Series: Horticulture

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2004

|

tom 07

|

nr 1

19

Jakosc ziemniakow na stole konsumenta

51%

Wroniak J.

Ziemniak Polski

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2007

|

tom 17

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nr 1

8-12

20

Variability of potato yield and its structure in organic and integrated crop production systems

51%

Sawicka B. , Barbas P. , Kus J.

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2007

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tom 10

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nr 1