The effect of water stress on the gas exchange parameters, productivity and seed health of buckwheat (Fagopyrum esculentum Moench)

• Autorzy: Pszczolkowska A. , Fordonski G. , Kulik T. , Olszewski J. , Plodzien K. , Lojko M.

Warianty tytułu

PL

Wpływ stresu wodnego na wskaźniki wymiany gazowej, produktywność i zawartość grzybni (Fagopyrum esculentum)

• Języki publikacji: EN

Abstrakty

EN

The present pot experiment studied the effect of different soil moisture contents (60 – 70% CWC (capillary water capacity) – control; 30 – 35% CWC – water stress) on buckwheat productivity, the gas exchange parameters and health of buckwheat nuts. It was found that water deficit affected adversely certain biometric features investigated (plant height, number of nuts per cluster) and caused a decrease in seed weight per plant. It was also shown that water stress reduced the values of the investigated gas exchange parameters (photosynthesis rate, transpiration rate, intercellular-space CO2 concentration, and stomatal conductance) relative to the control treatment. Different soil moisture contents did not have a clear effect on fungal colonization of seeds. The multiplex PCR assays did not enable the detection of the genes responsible for mycotoxin synthesis. Under water deficit conditions, an increase was found in the content of albumin and globulin fractions as well as of glutelin fractions.

PL

Słowa kluczowe

EN

water stress; gas exchange; gas exchange parameter; productivity; seed health; buckwheat; Fagopyrum esculentum; polymerase chain reaction; water deficit; protein content

• Wydawca: -
• Czasopismo: Acta Agrobotanica
• Rocznik: 2010
• Tom: 63
• Numer: 1
• Opis fizyczny: p.67-76,fig.,ref.

Twórcy

autor

Pszczolkowska A.

• Department of Diagnostics and Plant Pathophysiology, University of Warmia and Mazury in Olsztyn, Plac Lodzki 5, 10-727 Olsztyn, Poland

autor

Fordonski G.

autor

Kulik T.

autor

Olszewski J.

autor

Plodzien K.

autor

Lojko M.

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