Abstract
Melon pest management relies on the excessive application of pesticides. Reducing pesticide spraying has become a global issue for environmental sustainability and human health. Therefore, developing a new cropping system that is sustainable and eco-friendly is important. This study found that melon seedlings irrigated with ultrafine water containing H2 and O2 (UFW) produced more root hairs, increased shoot height, and produced more flowers than the control irrigated with reverse osmosis (RO) water. Surprisingly, we also discovered that UFW irrigation significantly reduced aphid infestation in melons. Based on cryo-scanning electron microscope (cryo-SEM) observations, UFW treatment enhanced trichome development and prevented aphid infestation. To investigate whether it was H2 or O2 that helped to deter insect infestation, we prepared UF water enrichment of H2 (UF+H2) and O2 (UF+O2) separately and irrigated melons. Cryo-SEM results indicated that both UF+H2 and UF+O2 can increase the density of trichomes in melon leaves and petioles. RT-qPCR showed that UF+H2 significantly increased the gene expression level of the trichome-related gene GLABRA2 (GL2). We planted melons in a plastic greenhouse and irrigated them with ultrafine water enrichment of hydrogen (UF+H2) and oxygen (UF+O2). The SPAD value, photosynthetic parameters, root weight, fruit weight, and fruit sweetness were all better than the control without ultrafine water irrigation. UFW significantly increased trichome development, enhanced insect resistance, and improved fruit traits. This system thus provides useful water management for pest control and sustainable agricultural production.
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Claims 11
Claim · model-written summary
UFW irrigation increased melon root hairs relative to reverse osmosis water.
- Taxon
- melon
.jpg?width=60)
Cucumis meloe0 - Treatment
- ultrafine water containing H2 and O2 (UFW)e0
- Outcome
- root hairse0
- Direction
- moree0
- Comparator
- reverse osmosis (RO) watere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“melon seedlings irrigated with ultrafine water containing H2 and O2 (UFW) produced more root hairs, increased shoot height, and produced more flowers than the control irrigated with reverse osmosis (RO) water”
Claim · model-written summary
UFW irrigation increased melon shoot height relative to reverse osmosis water.
- Taxon
- melonCucumis meloe0
- Treatment
- ultrafine water containing H2 and O2 (UFW)e0
- Outcome
- shoot heighte0
- Direction
- increasede0
- Comparator
- reverse osmosis (RO) watere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“melon seedlings irrigated with ultrafine water containing H2 and O2 (UFW) produced more root hairs, increased shoot height, and produced more flowers than the control irrigated with reverse osmosis (RO) water”
Claim · model-written summary
UFW irrigation increased melon flower production relative to reverse osmosis water.
- Taxon
- melonCucumis meloe0
- Treatment
- ultrafine water containing H2 and O2 (UFW)e0
- Outcome
- flowerse0
- Direction
- moree0
- Comparator
- reverse osmosis (RO) watere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“melon seedlings irrigated with ultrafine water containing H2 and O2 (UFW) produced more root hairs, increased shoot height, and produced more flowers than the control irrigated with reverse osmosis (RO) water”
Claim · model-written summary
UFW irrigation significantly reduced aphid infestation in melons.
- Taxon
- melonsCucumis meloe0
- Treatment
- UFW irrigatione0
- Interactor
- aphide0pest
- Outcome
- aphid infestatione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UFW irrigation significantly reduced aphid infestation in melons”
Claim · model-written summary
UFW treatment enhanced melon trichome development.
Not reportedTaxonComparator
Verbatim
e0“UFW treatment enhanced trichome development and prevented aphid infestation”
Claim · model-written summary
UFW treatment prevented aphid infestation.
Not reportedTaxonComparator
Verbatim
e0“UFW treatment enhanced trichome development and prevented aphid infestation”
Claim · model-written summary
Hydrogen enriched ultrafine water increased trichome density in melon leaves and petioles.
- Taxon
- melonCucumis meloe0
- Organ / stage
- leaves and petiolese0
- Treatment
- UF+H2e0
- Outcome
- density of trichomese0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both UF+H2 and UF+O2 can increase the density of trichomes in melon leaves and petioles”
Claim · model-written summary
Oxygen enriched ultrafine water increased trichome density in melon leaves and petioles.
- Taxon
- melonCucumis meloe0
- Organ / stage
- leaves and petiolese0
- Treatment
- UF+O2e0
- Outcome
- density of trichomese0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both UF+H2 and UF+O2 can increase the density of trichomes in melon leaves and petioles”
Claim · model-written summary
Hydrogen enriched ultrafine water significantly increased melon GL2 expression.
Not reportedTaxonComparator
Verbatim
e0“UF+H2 significantly increased the gene expression level of the trichome-related gene GLABRA2 (GL2)”
Claim · model-written summary
Ultrafine water irrigation improved melon SPAD value and photosynthetic parameters relative to control.
- Treatment
- ultrafine water irrigatione0
- Outcome
- SPAD value, photosynthetic parameterse0
- Direction
- bettere0
- Comparator
- control without ultrafine water irrigatione0
Not reportedTaxon
Verbatim
e0“The SPAD value, photosynthetic parameters, root weight, fruit weight, and fruit sweetness were all better than the control without ultrafine water irrigation”
Claim · model-written summary
Ultrafine water irrigation improved melon root weight, fruit weight, and fruit sweetness relative to control.
- Treatment
- ultrafine water irrigatione0
- Outcome
- root weight, fruit weight, and fruit sweetnesse0
- Direction
- bettere0
- Comparator
- control without ultrafine water irrigatione0
Not reportedTaxon
Verbatim
e0“The SPAD value, photosynthetic parameters, root weight, fruit weight, and fruit sweetness were all better than the control without ultrafine water irrigation”
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See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.