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Effects of timing and duration of brackish irrigation water on fruit yield and quality of late summer melons
Year:
2005
Source of publication :
Agricultural Water Management
Authors :
Cohen, Shabtai
;
.
Volume :
74
Co-Authors:
Bustan, A., Institutes for Applied Research, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 84105, Israel
Cohen, S., Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
De Malach, Y., Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
Zimmermann, P., Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
Golan, R., Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
Sagi, M., Institutes for Applied Research, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 84105, Israel, Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
Pasternak, D., Institutes for Applied Research, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 84105, Israel
Facilitators :
From page:
123
To page:
134
(
Total pages:
12
)
Abstract:
Brackish water (7 dS m-1) is frequently utilized to drip-irrigate crops in the Negev desert of Israel, the practice being to use deep sandy soils (96% sand) to avoid soil salinization. When muskmelon (Cucumis melo L.), a moderately salt-sensitive crop species, was grown using brackish irrigation under these conditions, yields declined due to a significant reduction in fruit size, but fruit quality parameters improved markedly. In the present study, we tested the hypothesis that the use of fresh irrigation water during the early vegetative phase would increase canopy size and leaf area index (LAI) and hence the potential productivity of the melon plant. The application of brackish water during the reproductive phase, on the other hand, would improve fruit quality. Using multiple irrigations within a 24-h period, applied with drip irrigation, we examined the timing, the duration, and the concentration of brackish irrigation water as tools to optimize fruit yield and quality in late-summer melons. Indeed, the combination of fresh (1.2 dS m -1) and brackish (7 dS m-1) irrigation water increased the yield level to that of fresh water plants whereas it brought about the improvement of fruit quality typical to brackish water plants, thus providing an attractive approach to optimize late-summer melon production. Our results demonstrate the trade-off between fruit size and fruit quality as related to the timing and the duration of brackish irrigation water. The use of a milder (<4.5 dS m-1) salinity level of irrigation water from plant emergence until harvest may be considered as well. © 2004 Published by Elsevier B.V.
Note:
Related Files :
Cucumis melo
fruit size
irrigation
Israel
Negev
Plants
sandy soils
soil
water
Show More
Related Content
More details
DOI :
10.1016/j.agwat.2004.11.009
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
31285
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:01
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Scientific Publication
Effects of timing and duration of brackish irrigation water on fruit yield and quality of late summer melons
74
Bustan, A., Institutes for Applied Research, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 84105, Israel
Cohen, S., Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
De Malach, Y., Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
Zimmermann, P., Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
Golan, R., Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
Sagi, M., Institutes for Applied Research, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 84105, Israel, Ramat Negev Desert Agro-Res. Center, D.N. Chalutza 85515, Israel
Pasternak, D., Institutes for Applied Research, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 84105, Israel
Effects of timing and duration of brackish irrigation water on fruit yield and quality of late summer melons
Brackish water (7 dS m-1) is frequently utilized to drip-irrigate crops in the Negev desert of Israel, the practice being to use deep sandy soils (96% sand) to avoid soil salinization. When muskmelon (Cucumis melo L.), a moderately salt-sensitive crop species, was grown using brackish irrigation under these conditions, yields declined due to a significant reduction in fruit size, but fruit quality parameters improved markedly. In the present study, we tested the hypothesis that the use of fresh irrigation water during the early vegetative phase would increase canopy size and leaf area index (LAI) and hence the potential productivity of the melon plant. The application of brackish water during the reproductive phase, on the other hand, would improve fruit quality. Using multiple irrigations within a 24-h period, applied with drip irrigation, we examined the timing, the duration, and the concentration of brackish irrigation water as tools to optimize fruit yield and quality in late-summer melons. Indeed, the combination of fresh (1.2 dS m -1) and brackish (7 dS m-1) irrigation water increased the yield level to that of fresh water plants whereas it brought about the improvement of fruit quality typical to brackish water plants, thus providing an attractive approach to optimize late-summer melon production. Our results demonstrate the trade-off between fruit size and fruit quality as related to the timing and the duration of brackish irrigation water. The use of a milder (<4.5 dS m-1) salinity level of irrigation water from plant emergence until harvest may be considered as well. © 2004 Published by Elsevier B.V.
Scientific Publication
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