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The effect of acetic acid, grapefruit extract and selected essential oils on germination, vigour and health of carrot (Daucus carota L.) seeds

100%

Dorna H., Qi Y., Szopinska D.

Acta Scientiarum Polonorum. Hortorum Cultus

2018

tom 17

nr 2

Seed infection with Alternaria spp. is an important source of severe carrot diseases. The aim of the study was to evaluate the effects of carrot seed treatments with acetic acid, grapefruit extract and volatile compounds of fir (Abies alba Mill.) and thyme (Thymus vulgaris L.) essential oils on their germination, vigour and health. Seeds of two samples were soaked for 30 min in 0.5, 1 and 2% acetic acid, 0.5 and 1% Biosept Active (33% of grapefruit extract), or treated for 72 h or 96 h with volatile compounds of fir and thyme oils individually (10 µl), and jointly (5+5 µl). Controls were untreated seeds and seeds soaked in distilled water. Acetic acid effectively controlled A. alternata and A. radicina in both samples, and did not affect adversely seed germination, however, at the highest concentration deteriorated seed vigour. Biosept Active was less effective, however at 1% concentration decreased seeds infestation with A. alternata in sample I, and at concentrations of 0.5 and 1% reduced percentages of seeds infested with A. alternata and A. radicina in sample II. Essential oils treatments in some cases favoured growth of A. dauci and A. radicina.

Winter storage of pedunculate oak (Quercus robur L.) seedlings

100%

Wesoly W., Chabowska A.

Zarządzanie Ochroną Przyrody w Lasach

2016

tom 10

The effect of leaf scorch by Diplocarpon earliana Ell. et Ev. [Wolf] on yield, fruit weight, and plant vigour in the strawberry [Fragaria x ananassa Duch.]

100%

Hortynski J. A., Supryn-Sweklej S., Hulewicz T.

Folia Horticulturae

1994

tom 06

nr 1

Ograniczanie wyników

1 Acta Scientiarum Polonorum. Hortorum Cultus

1 Folia Horticulturae

1 Zarządzanie Ochroną Przyrody w Lasach

1 Chabowska A.

1 Dorna H.

1 Hortynski J. A.

1 Hulewicz T.

1 Qi Y.

1 Supryn-Sweklej S.

1 Szopinska D.

1 Wesoly W.

1 2018

1 2016

1 1994

Wyniki wyszukiwania

The effect of acetic acid, grapefruit extract and selected essential oils on germination, vigour and health of carrot (Daucus carota L.) seeds

Winter storage of pedunculate oak (Quercus robur L.) seedlings

The effect of leaf scorch by Diplocarpon earliana Ell. et Ev. [Wolf] on yield, fruit weight, and plant vigour in the strawberry [Fragaria x ananassa Duch.]