Essential oil yield and yield components of basil (Ocimum basilicum L.) as affected by genotype and intrarow spacing at Jimma, SW Ethiopia

• Autorzy: Alemu A. , Garedew W. , Gebre A.

Warianty tytułu

PL

Wpływ genotypu i typu uprawy na produkcję olejków eterycznych oraz wskaźniki plonowania bazylii (Ocimum basilicum L.) uprawianej w Jimma (południowo-zachodnia Etiopia)

• Języki publikacji: EN

Abstrakty

EN

Basil is an aromatic, medicinal, culinary, and multifunctional herb which is grown in different parts of Ethiopia. Although the oil distilled from the herb, as well as its herbal yields, are a crucial input in the pharmaceutical industry and for culinary purposes, the yield obtained is below its potential due to various challenges. Genotype and plant spacing are two of the factors which contribute to the low production of the crop. A field trial was conducted at Jimma University College of Agriculture and Veterinary Medicine (JUCAVM) in 2016 and 2017 to assess the effect of genotype and plant spacing on essential oil yield and other yield-related traits of this important herb. Four promising genotypes (BO-1, BO-3, BO-4, and BO-5) and three plant spacings (20, 30, and 40 cm) were studied in a 4 × 3 factorial design arranged as randomized complete blocks (RCBD) with three replications. Data on plant height, leaf area, number of primary branches, essential oil content and oil yield were collected and analyzed. The analysis of variance revealed that there were highly significant (p < 0.01) interaction effect of genotype with plant spacing for all parameters tested. The maximum essential oil yield (7.88 kg ha−1) was obtained from genotype BO-5 at 30 cm spacing, whilst the least (2.68 kg ha−1) was recorded from BO-1 at 40 cm spacing. The maximum oil content (101 mL g−1) was gained from BO-1 at 20 cm, but BO-3 at 30 cm spacing recorded the least oil content though there were no significant differences between the three treatment combinations. Further studies at different locations and seasons will be important to for future local recommendations.

PL

Bazylia jest aromatyczną rośliną szeroko wykorzystywaną w lecznictwie i gastronomii, powszechnie uprawianą w różnych rejonach Etiopii. Produkcja ziela bazylii oraz destylacja olejków eterycznych są bardzo istotne ze względu na szerokie zainteresowanie przemysłu farmaceutycznego oraz zastosowań w gastronomii. Potencjał tej rośliny jest wciąż nie w pełni wykorzystany ze względu na ograniczenia w uzyskiwaniu wysokich plonów. Celem badań była ocena wpływu genotypu oraz zagęszczenia roślin w uprawie polowej na produkcję olejków eterycznych oraz wybrane wskaźniki plonowania bazylii (Ocimum basilicum L.). Doświadczenie prowadzono w latach 2016–2017, wykorzystując cztery genotypy bazylii (BO-1, BO-3, BO-4 i BO-5) oraz trzy warianty odległości między rzędami (20, 30 i 40 cm). Ekspery- ment prowadzono metodą bloków losowych w trzech powtórzeniach. Analizowano wysokość roślin, powierzchnię liści, liczbę rozgałęzień, a także zawartość i plon olejków eterycznych. Wykazano istotne interakcje pomiędzy genotypami i typem uprawy (odległość między rzędami) dla wszystkich testowanych parametrów. Najwyższy plon olejków eterycznych (7,88 kg/ha) uzyskano w wariancie BO-5 × 30 cm, podczas gdy najniższy (2,68 kg/ha) w układzie BO-1 × 40 cm. Najwyższą zawartość olejków eterycznych (101 mL/g) otrzymano w układzie BO-1 × 20 cm, a najniższą przy BO-3 × 30 cm, chociaż nie stwierdzono istotnych statystycznie różnic dla tego genotypu w trzech wariantach odległości między rzędami. W celu uzyskania najwyższego plonu olejków eterycznych, sugeruje się farmerom uprawianie genotypu BO-5 w odległości 30 cm między rzędami. Należy przeprowadzić dodatkowe badania w celu ustalenia zależności między lokalizacją i sezonową zmiennością upraw bazylii.

• Wydawca: -
• Czasopismo: Acta Agrobotanica
• Rocznik: 2018
• Tom: 71
• Numer: 3
• Opis fizyczny: Article: 1743 [9 p.], fig.,ref.

Twórcy

autor

Alemu A.

• Department of Horticultural Crop Research, Arbaminch Agricultural Research Center, Southern Agricultural Research Institute, Ethiopia

autor

Garedew W.

• Department of Horticulture and Plant Sciences, Jimma University College of Agriculture and Veterinary Medicine, Ethiopia

autor

Gebre A.

• Department of Aromatic and Medicinal Plant Research, Wondo Genet Agricultural Research Center, Ethiopian Institute of Agricultural Research, Ethiopia

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Identyfikatory

DOI

10.5586/aa.1743