Abstract
ABSTRACT The melon is an outstanding fruit crop in Brazil, mainly in the Northeast region due to favorable conditions for cultivation. Water salinity affects the growth and production of several species, but there is tolerance among cultivars of the same species. The objective of this study was to evaluate the growth and gas exchange in melon seedlings subjected to water salinity. Experiment was carried out in a greenhouse belonging to the Center of Sciences and Agri-Food Technology, Federal University of Campina Grande, Pombal, PB, Brazil, from September to October 2016. The experimental design was a randomized complete block design in a 6 x 5 factorial scheme, with four replicates, for six cultivars of melon (Natal, Solares, Goldex, Iracema, Mandacaru and Amarelo Ouro) and five irrigation water salinity levels with the following electrical conductivities: 0.3, 1.1, 1.9, 2.7 and 3.5 dS m-1. Each experimental unit consisted of a polypropylene container with a volume capacity of 0.350 dm3, which contained soil + Basaplant® commercial substrate at a ratio of 2:1. At 25 days after sowing, the plants were evaluated for growth, gas exchange and dry mass accumulation. Increased salinity of irrigation water inhibits the growth, dry mass accumulation and physiological processes of melon cultivars. The cultivar Natal showed to be more tolerant, while the cultivars Solares, Goldex, Iracema and Mandacaru were moderately sensitive and the cultivar Amarelo Ouro was more sensitive to the salinity of irrigation water.
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Claims 6
Claim · model-written summary
Increasing irrigation water salinity inhibited growth and dry mass accumulation of melon cultivars.
- Taxon
- melon
.jpg?width=60)
Cucumis meloe0 - Treatment
- Increased salinity of irrigation watere0
- Outcome
- growth, dry mass accumulatione0
- Direction
- inhibitse0
- Comparator
- 0.3e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Increased salinity of irrigation water inhibits the growth, dry mass accumulation and physiological processes of melon cultivars.”
e1“0.3, 1.1, 1.9, 2.7 and 3.5 dS m-1”
Claim · model-written summary
Increasing irrigation water salinity inhibited physiological processes of melon cultivars.
- Taxon
- melonCucumis meloe0
- Treatment
- Increased salinity of irrigation watere0
- Outcome
- physiological processese0
- Direction
- inhibitse0
- Comparator
- 0.3e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increased salinity of irrigation water inhibits the growth, dry mass accumulation and physiological processes of melon cultivars.”
e1“0.3, 1.1, 1.9, 2.7 and 3.5 dS m-1”
Claim · model-written summary
Natal was more tolerant of saline irrigation water.
- Taxon
- melonCucumis melot0
- Material
- Natale0
- Treatment
- salinity of irrigation watere1
- Outcome
- more tolerante0
- Direction
- more tolerante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cultivar Natal showed to be more tolerant”
e1“to the salinity of irrigation water.”
t0“melon seedlings”
Claim · model-written summary
Solares, Goldex and Iracema were moderately sensitive to saline irrigation.
- Taxon
- melonCucumis melot0
- Material
- Solares, Goldex, Iracemae0
- Treatment
- salinity of irrigation watere1
- Outcome
- moderately sensitivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the cultivars Solares, Goldex, Iracema and Mandacaru were moderately sensitive”
e1“to the salinity of irrigation water.”
t0“melon seedlings”
Claim · model-written summary
Mandacaru was moderately sensitive to saline irrigation.
- Taxon
- melonCucumis melot0
- Material
- Mandacarue0
- Treatment
- salinity of irrigation watere1
- Outcome
- moderately sensitivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mandacaru were moderately sensitive”
e1“to the salinity of irrigation water.”
t0“melon seedlings”
Claim · model-written summary
Amarelo Ouro was more sensitive to saline irrigation water.
- Taxon
- melonCucumis melot0
- Material
- Amarelo Ouroe0
- Treatment
- salinity of irrigation watere0
- Outcome
- more sensitivee0
- Direction
- more sensitivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the cultivar Amarelo Ouro was more sensitive to the salinity of irrigation water.”
t0“melon seedlings”
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