Results 121 to 130 of about 36,691 (294)

Sugar beet virus diseases in Serbia

open access: yes, 2020
During 2017, yellowing of sugar beet leaves occurred in sugar beet fields in Serbia. Disease was visible on individual plants which had symptoms of intercostal yellowing, leaves were upright and brittle and in time this yellowing turned into necrosis ...
Dudaš, Tatjana   +6 more
core  

Non‐crop habitats and cover crops as potential ecological corridors and stepping stones for autumnal migrating hoverflies

open access: yesInsect Conservation and Diversity, EarlyView.
Mass migration of hoverflies was observed near Prague city in a highly agricultural landscape, representing only the second record of hoverfly migration in the Czech Republic. This rare observation was likely driven by the need to rest, shelter and replenish energy, although most flowers had already finished blooming.
Antonín Hlaváček   +3 more
wiley   +1 more source

Crop volunteers and climate change; Effects of future climate change on the occurrence of maize, sugar beet and potato volunteers in the Netherlands

open access: yes, 2011
COGEM has commissioned a research project on the effect of the possible future climate change on the occurrence of volunteers. One of the aspects that is considered in the risk assessment of GM crops is whether this crop is able to survive and/or ...
Lotz, L.A.P.   +5 more
core  

Asymmetric Regulatory Embeddedness and Post‐Brexit Governance: Explaining Adaptive Convergence in the United Kingdom

open access: yesJCMS: Journal of Common Market Studies, EarlyView.
Abstract Why has the United Kingdom repeatedly restored substantive compatibility with European Union (EU) regulatory norms despite formal withdrawal? This article introduces the concept of asymmetric regulatory embeddedness (ARE) to explain post‐membership governance in highly integrated sectors. ARE captures the structural condition in which a former
George Asiamah
wiley   +1 more source

Crop Substitution on UK Sugar Beet Farms and its Effects on the Environment: A Multi-Product Cost Function Approach

open access: yes
This paper analyzes the effect that the imminent reform of the EU sugar beet regime will have on United Kingdom (UK) sugar beet farms. Specifically, we estimate a multi-product cost function to analyze the effect the changes on the sugar beet price ...
Revoredo-Giha, Cesar, Renwick, Alan W.
core  

Study of sugar beet growth pattern in Hamedan

open access: yes, 2012
The current study was carried out to examine sugar beet growth pattern in climatic conditions of Hamedan, Iran and to recognize the factors affecting its quantity and quality as well as the physiological indices.
M.R. Mirzaei, M. Abdollahian-Noghabi
core   +1 more source

Lethal Effects of the Wild Potato Solanum bulbocastanum on the Planthopper Pentastiridius leporinus, a Vector of Bacterial Pathogens in Potato

open access: yesJournal of Applied Entomology, Volume 150, Issue 6, Page 756-769, July 2026.
ABSTRACT The planthopper Pentastiridius leporinus [Hemiptera: Cixiidae] is a vector of the two plant pathogenic bacteria ‘Candidatus Arsenophonus phytopathogenicus’ and ‘Candidatus Phytoplasma solani’ causing ‘bacterial potato tuber wilt’ in potato.
Eva Therhaag   +2 more
wiley   +1 more source

Sugar-beet powdery mildew (Erysiphe betae )

open access: yes, 2002
Erysiphe betae causes sugar-beet powdery mildew, a serious fungal foliar disease resulting in sugar yield losses of up to 30%. The fungus occurs world-wide in all regions where sugar beet is grown and it also infects other edible beet crops, e.g ...
Francis, S. A.
core   +1 more source

Oviposition Behaviour, Nymphal Development and Below‐Ground Olfactory Preference of Pentastiridius leporinus on 12 Beta vulgaris Genotypes

open access: yesJournal of Applied Entomology, EarlyView.
ABSTRACT The planthopper Pentastiridius leporinus (Hemiptera: Cixiidae) is the primary vector of two phloem‐restricted prokaryotes, which can cause the disease syndrome de basses richesses (SBR) in sugar beet (Beta vulgaris L.). Heavy infestations of this insect have contributed to significant yield losses in Central Europe, but little is known about ...
Pamela Bruno   +5 more
wiley   +1 more source

Total phenolic content in ten potato cultivars with different resistance to potato virus S(PVS

open access: yesRomanian Journal of Horticulture
Being one of the most consumed vegetables across the world, potato is a highly nutritious crop, constituting an important source of essential compounds for human health. The present study evaluated the total content of phenolic compounds (TPC)in the skin
Carmen Liliana Bădărău   +4 more
doaj   +1 more source

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