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Fungal spore germination inhibition by alkaloids dehydrocorydalmine and oxyberberine

100%

Singh A. , Singh S. , Singh S. , Singh T. D. , Singh V. P. , Pandey V. B. , Singh U. P.

Journal of Plant Protection Research

2009

tom 49

nr 3

287-289

The alkaloids dehydrocorydalmine and oxyberberine isolated from Argemone mexicana were assessed against spore germination of some fungi, e.g., Alternaria cajani, Bipolaris sp., Helminthosporium sp., Fusarium udum and Curvularia sp. While dehydrocorydalmine inhibited 100% spore germination of the fungi Helminthosporium sp. and Curvularia sp. at 5 000 ppm, oxyberberine showed similar activity against spore germination of Bipolaris sp. and Curvularia sp. All the five fungi were significantly inhibited at 1 000 to 5 000 ppm concentrations.

Określano wpływ alkaloidów dehydrokorydalminy i oksyberberyny wyosobnionych z Argemone mexicana na kiełkowanie zarodników niektórych grzybów, w tym Alternaria cajani, Bipolaris sp., Helminthosporium sp., Fusarium udum i Curvularia sp. Podczas gdy dehydrokory-dalmina inhibowała w 100% kiełkowanie zarodników grzybów Helminthosporium sp. i Curvularia sp. w stężeniu 5 000 ppm, oksyberberyna wykazywała podobną aktywność przeciwko kiełkowaniu zarodników Biopolaris sp. i Curvularia sp. Wszystkie pięć grzybów było istotnie inhibitowane w stężeniach od 1 000 do 5 000 ppm.

Influence of chromium treatment on growth and nutrient accumulation of paddy (Oryza sativa L.) seedlings

100%

Sundaramoorthy P. , Sankar Genesh K.

International Letters of Natural Sciences

2015

tom 04

The aim of this research is to study accumulation of Chromium along with nutrients and its effect on the growth of Paddy plant (Oryza sativa L). Thus, paddy seedlings grown in petriplates lined with filter paper undergoing, different treatments of Cr (0, 2.5, 5, 10, 25, 50, 75, 100 and 200 mg/L). After one week seedlings were removed and morphological parameters like root length, shoot length and dry weight of plants and accumulation of nutrients along with Cr content were determined. The results indicated that the concentrations more than 100 mg/L chromium cause the reduction of morphological parameters in the treatment plants rather than control plant and Cr addition in the cultures caused enhancement of chromium content paddy seedlings. Similarly nutrient accumulation also affected by increasing concentrations of chromium.

Herbicide potential of selected essential oils from plants of Lamiaceae and Asteraceae families

80%

Nikolova M. , Traykova B. , Yankova-Tsvetkova E. , Stefanova T. , Dzhurmanski A. , Aneva I. , Berkov S.

Acta Agrobotanica

2021

tom 74

nr 1

Harmonogram ochrony ziemniaka w 2003 roku

60%

Pawinska M.

Ziemniak Polski

2003

nr 2

20-34