Effect of water deficit on the growth and yield on different genotypes of tomato in semi-arid climate condition
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Kuupäev
2022
Kättesaadav alates
Ajakirja pealkiri
Ajakirja ISSN
Köite pealkiri
Kirjastaja
Estonian Academic Agricultural Society
Abstrakt
In areas where the supply of water for irrigation is limited,
tomato production is often subject to drought stress. This study was
conducted at the Department of Horticulture and Landscape Gardening,
University of Diyala, Baqubah, Iraq in 2021 wherein 22 genotypes ('S.G',
'San II', 'M.O', 'Red Pear', 'F.R', 'Marb', 15 F1 hybrids were obtained from
6×6 half diallel cross and 'Bobcat' control hybrid) were cultivated under
full irrigation [covering 100% of crop evapotranspiration demands (ETc)]
and water deficit (50% of ETc) conditions. The results showed that cv.
1×6 produced the longest plants (119.01 cm) and the least time to
flowering (10.23 days). Most branches (31.98) were produced by cv. 5×6.
Both cvs. 1×6 and 5×6 produced the most leaf area (1 991 and 1 977 cm2
respectively) and most yield per plant (6.75 and 6.84 kg respectively). The
100% ETc irrigation treatment produced the longest plants (91.21 cm), the
greatest number of branches (28.12), the most leaf area (1 673 cm2
), and
the highest plant yield (4.61 kg). The 50% ETc irrigation treatment
produced the least time to flowering (13.7 days). Irrigation level lowering
to 50% ETc achieved good results for the water use efficiency (WUE) use
with predicted R2 = 1.00. Therefore, the results of this study recommend
using the interaction of (both cvs. 1×6 and 5×6 irrigated with the 50% ETc
treatment) to save water on irrigation and produce a high yield of tomatoes.
Kirjeldus
Saabunud / Received 23.05.2022 ; Aktsepteeritud / Accepted 28.07.2022 ; Avaldatud veebis / Published online 28.07.2022 ; Vastutav autor / Corresponding author: Ghassan Jaafar Hamdi; ghassanhamdi38@gmail.com
Märksõnad
Solanum lycopersicum, breeding, cultivar, water stress, yield, articles