What question did this study set out to answer?

The study aims to evaluate how different inter-row spacings affect the growth, yield, and quality of carrot cultivars.

March 2, 20260 citationsOpen Access

Effect of Inter-row Spacing of Carrot Cultivars (iDaucus carota/i L.) at Wolaita Soddo, South Ethiopia

ZFZekiya FitretWolkite University HGHaylu GebruSelçuk University ASAbreham ShimbuloWolaita Sodo University

Key Points

The study aims to evaluate how different inter-row spacings affect the growth, yield, and quality of carrot cultivars.
Conducted during the 2017 cropping season at Wolaita Soddo University research site.
Utilized a randomized complete block factorial design with 3 replications.
Evaluated Nantes and Haramaya I carrot cultivars across 5 inter-row spacings (10 cm, 20 cm, 30 cm, 40 cm, 50 cm).
Collected data on growth, yield, quality, and disease incidence during the experiment.
Haramaya I showed vigorous growth compared to Nantes.
Nantes achieved higher total yield and better quality than Haramaya I.
Narrower spacing (10 cm) resulted in the highest total yield of 37.95 tons per hectare.
Marketable yield was also best for Nantes at the 10 cm spacing, achieving 8.7 t ha-1.
Wider inter-row spacing led to lower disease incidence but was not optimal for yield.

Abstract

Systematic studies on effect of inter-row spacing on carrot cultivars are limited at Wolaita area. Therefore, this study was conducted at Wolaita Soddo University plant science and horticulture research cite in 2017 cropping season to evaluate effect of inter-row spacing on growth, yield and quality of carrot cultivars. The research was conducted in randomized complete block factorial design in 3 replications. Nantes and Haramaya I carrot cultivars were evaluated at 5 inter-row spacing of 10 cm, 20 cm, 30 cm, 40 cm and 50 cm. Phenological data, growth data, yield data, quality related data and alternaria blight severity and incidence occurred during plant growth were collected during experimental period. Most of collected data shows significant difference in between cultivars, inter-row spacing as well as their interaction. According to the result, Haramaya I show vigorius growth than nantes. However, in total yield and marketable yield and quality parameters nantes is found better than Haramaya I. As far as inter row is concerned, even if narrow inter-row spacing shows longer in plant height and leaf length, wider inter-row spacing shows vigorous plant growth and lower disease incidence and severity. However, in yield and quality parameter best result was obtained in narrowest inter-row spacing. Generally, best result of 37.95 tons of total yield per hectar was obtained at nantes variety grown in 10 cm by 10 cm spacing. Similarly, better marketable yield was obtained in this variety and spacing. Notably, the highest marketable root yields of 8.7 t hasup-1/sup for the Nantes variety and 15.2 t hasup-1/sup for another option were achieved with 10 cm inter-row spacing. Consequently, the Nantes cultivar paired with a 10 cm x 10 cm spacing emerges as a promising combination for growers. However, since this research was conducted over just one season and limited to a single location, it is advisable to further explore this study across different locations and seasons for more comprehensive recommendations.

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