Analiza zmian w stanie uwodnienia liści kukurydzy poddanych suszy i żerowaniu przędziorka chmielowca (Tetranychus urticae Koch)

• Autorzy: Czapla A. , Swiatek M. , Kielkiewicz M.

Warianty tytułu

EN

Changes in water status of maize leaves influenced by drought and two-spotted spider mite (Tetranychus urticae Koch) feeding

• Języki publikacji: PL

Abstrakty

EN

Maize (Zea mays L.) hybrid with the Bt transgene from the bacterium Bacillus thuringensis (Bt) (DKC 3421 YG) and its non-Bt near-isoline (DKC 3420) as well as Polish cultivar Bosman (HR Smolice) were subjected to drought stress and/or the two-spotted spider mite (Tetranychus urticae, Acarina: Tetranychidae) feeding to assess changes in the relative water content (RWC) and dry weight (DW) in leaves of different age (leaf: 7th, 8th, 9th, 10th). All plants were at the vegetative stage and grew under greenhouse conditions. The effect of both abiotic and biotic stress was analysed 4 and 6 days after treatment. The experiments conducted in two series showed that among examined maize cultivars, T. urticae feeding decreased RWC in Bosman cv. leaves only, while drought altered leaf RWC of plants in a similar manner – the older the leaf, the greater reduction of RWC. Drought alone and drought accompanied by T. urticae feeding significantly decreased RWC of maize leaves in all cultivars (DKC 3421 YG, DKC 3420, Bosman). Concluding, drought had a greater impact on leaf RWC of young maize plants than mite feeding.

Słowa kluczowe

PL

kukurydza; liscie; odmiany roslin; przedziorek chmielowiec; susza glebowa; szkodniki roslin; Tetranychus urticae; uwodnienie; wzgledna zawartosc wody w lisciach; zerowanie

EN

maize; leaf; plant cultivar; red spider mite; soil drought; plant pest; Tetranychus urticae; water status; relative water content; insect foraging

• Wydawca: -
• Czasopismo: Progress in Plant Protection
• Rocznik: 2010
• Tom: 50
• Numer: 2
• Opis fizyczny: s.578-584,wykr.,bibliogr.

Twórcy

autor

Czapla A.

• Katedra Entomologii Stosowanej, Wydział Ogrodnictwa i Architektury Krajobrazu, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie, ul.Nowoursynowska 159, 02-776 Warszawa

autor

Swiatek M.

autor

Kielkiewicz M.

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