Roland Sigvald: search on Z-Library

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1

Calibration and verification of risk algorithms using logistic regression

Jonathan Yuen, Eva Twengström, Roland Sigvald

Journal:

European Journal of Plant Pathology

Year:

1996

Language:

english

File:

PDF, 589 KB

english, 1996

2

Occurrence of aphid vector and genetic tolerance to infection by potyvirus in hot pepper

Fekadu Marame, Chemeda Fininsa, Harjit Singh, Lemma Dessalegne, Anhild Andersson, Roland Sigvald

Journal:

Year:

2010

Language:

english

File:

PDF, 573 KB

english, 2010

3

Forecasting the influence of temperature increase on the development of the Colorado potato beetle [ Leptinotarsa decemlineata (Say)] in the Wielkopolska region of Poland

Wójtowicz, Andrzej, Wójtowicz, Marek, Sigvald, Roland

Journal:

Acta Agriculturae Scandinavica, Section B - Soil & Plant Science

Year:

2013

Language:

english

File:

PDF, 224 KB

english, 2013

4

Cereal aphid populations in non-crop habitats show strong density dependence

RICCARDO BOMMARCO, SIMON WETTERLIND, ROLAND SIGVALD

Journal:

Journal of Applied Ecology

Year:

2007

Language:

english

File:

PDF, 354 KB

english, 2007

5

Heterosis and heritability in crosses among Asian and Ethiopian parents of hot pepper genotypes

Fekadu Marame, Lemma Dessalegne, Chemeda Fininsa, Roland Sigvald

Journal:

Year:

2009

Language:

english

File:

PDF, 220 KB

english, 2009

6

Aphid migration and the importance of some aphid species as vectors of potato virus Yo(PVYo) in Sweden

Journal:

Potato Research

Year:

1987

Language:

english

File:

PDF, 917 KB

english, 1987

7

Temporal spread of wheat dwarf virus and mature plant resistance in winter wheat

Mats Lindblad, Roland Sigvald

Journal:

Crop Protection

Year:

2004

Language:

english

File:

PDF, 220 KB

english, 2004

8

Effects of storage methods, storage time and different agro-ecological zones on chemical components of stored sorghum grain in Hararghe, Ethiopia

Mashilla Dejene, Jonathan Yuen, Roland Sigvald

Journal:

Journal of Stored Products Research

Year:

2006

Language:

english

File:

PDF, 282 KB

english, 2006

9

Genetic analysis for some plant and fruit traits, and its implication for a breeding program of hot pepper (Capsicum annuum var. annuum L.)

Fekadu Marame, Lemma Desalegne, Chemeda Fininsa, Roland Sigvald

Journal:

Year:

2009

Language:

english

File:

PDF, 455 KB

english, 2009

10

Forecasting Sclerotinia stem rot in spring sown oilseed rape

Eva Twengström, Roland Sigvald, Christer Svensson, Jonathan Yuen

Journal:

Crop Protection

Year:

1998

Language:

english

File:

PDF, 880 KB

english, 1998

11

The relationship between sowing date, infestation and damage by the maize stalk borer, Busseola fusca (Noctuidae), on maize in Awassa, Ethiopia

Gebre‐Amlak, Assefa, Sigvald, Roland, Pettersson, Jan

Journal:

Tropical Pest Management

Year:

1989

Language:

english

File:

PDF, 521 KB

english, 1989

12

Cereal Aphid Populations in Non-Crop Habitats Show Strong Density Dependence

Riccardo Bommarco, Simon Wetterlind and Roland Sigvald

Journal:

Journal of Applied Ecology

Year:

2007

Language:

english

File:

PDF, 1.77 MB

english, 2007

13

Aphids on Potato Foliage in Sweden and their Importance as Vectors of Potato Virus Y 0

Sigvald, Roland

Journal:

Acta Agriculturae Scandinavica

Year:

1990

Language:

english

File:

PDF, 522 KB

english, 1990

14

Predicting the effects of climate change on the latency period of wheat leaf rust in western Poland

Wójtowicz, Andrzej, Wójtowicz, Marek, Sigvald, Roland, Pasternak, Maria

Journal:

Acta Agriculturae Scandinavica, Section B - Soil & Plant Science

Year:

2017

Language:

english

File:

PDF, 2.53 MB

english, 2017

15

Assessment of the impact of climate change on the latency period of leaf rust on triticale in Poland

Wójtowicz, Andrzej, Wójtowicz, Marek, Sigvald, Roland, Czernecki, Bartosz, Ratajkiewicz, Henryk, Łacka, Agnieszka, Zacharczuk, Maciej, Pasternak, Maria

Journal:

Acta Agriculturae Scandinavica, Section B - Soil & Plant Science

Year:

2019

Language:

english

File:

PDF, 2.89 MB

english, 2019

16

Assessment of the impact of climate change on the latency period of leaf rust on triticale in Poland

Wójtowicz, Andrzej, Wójtowicz, Marek, Sigvald, Roland, Czernecki, Bartosz, Ratajkiewicz, Henryk, Łacka, Agnieszka, Zacharczuk, Maciej, Pasternak, Maria

Journal:

Acta Agriculturae Scandinavica, Section B - Soil & Plant Science

Year:

2019

File:

PDF, 2.89 MB

2019

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