Abstract
This study was conducted in the experimental farm of Sakata Seed Company, located in Ismalia Governorate, Egypt in 2012 and 2013. Watermelon [Citrullus lanatus (Thunb.) Matsum and Nakai] cultivar Aswan F1 was grafted onto 5 different rootstocks, namely, 6001, Squash 3, Kazako, Emphasis and Argentario. The ungrafted Aswan watermelon cultivar was used as the control. Plants were grown in sandy soil under open field conditions. The results showed that while survival rate was low (64%) in control, it ranged from 82.0% to 100% in grafted plants. Grafted plants showed more vigorous vegetative growth than the control plants. When the soil was heavily infected with soil borne diseases, in the first season, the control plants had 7.987 ton/fed yield, while all types of rootstocks produced 30–127 % higher yield than the control. When the soil was free from soil borne diseases, in the second season, the control plants had 16.178 ton/fed yield, while grafted plants produced 9–13 % higher yield than the control. In contrast, Kazako rootstock had 12% less yield than the control. This could be attributed to incomplete compatibility of Kazako rootstock. Length and diameter of fruit and rend of fruit were positively influenced by grafting in the first year, while TSS% was significantly reduced by grafting in the second season. The study showed the importance of using grafting in heavily infected with soil borne diseases and importance of choosing the rootstocks that positively influence plant growth as well as yield and quality of scion fruit for the commercial use of grafting in watermelon fields.
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Claims 9
Claim · model-written summary
Grafted plants had 82.0% to 100% survival versus 64% for ungrafted controls.
- Taxon
- watermelon
Citrullus lanatust0 - Treatment
- grafted plantse0
- Outcome
- survival ratee0
- Direction
- ranged from 82.0% to 100%e0
- Value
- 82.0% to 100%e0
- Qualifier
- 64%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while survival rate was low (64%) in control, it ranged from 82.0% to 100% in grafted plants”
t0“watermelon”
Claim · model-written summary
Grafted plants had more vigorous vegetative growth than controls.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- Grafted plantse0
- Outcome
- vegetative growthe0
- Direction
- more vigorouse0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grafted plants showed more vigorous vegetative growth than the control plants.”
t0“watermelon”
Claim · model-written summary
Under heavy soil-borne disease pressure, rootstocks increased yield 30–127% versus controls.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- all types of rootstockse0
- Outcome
- yielde0
- Direction
- highere0
- Value
- 30–127 %e0
- Qualifier
- soil was heavily infected with soil borne diseasese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the soil was heavily infected with soil borne diseases, in the first season, the control plants had 7.987 ton/fed yield, while all types of rootstocks produced 30–127 % higher yield than the control.”
t0“watermelon”
Claim · model-written summary
With disease-free soil, grafted plants yielded 9–13% more than controls.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- grafted plantse0
- Outcome
- yielde0
- Direction
- highere0
- Value
- 9–13 %e0
- Qualifier
- soil was free from soil borne diseasese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the soil was free from soil borne diseases, in the second season, the control plants had 16.178 ton/fed yield, while grafted plants produced 9–13 % higher yield than the control.”
t0“watermelon”
Claim · model-written summary
Kazako rootstock yielded 12% less than control.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- Kazako rootstocke0
- Outcome
- yielde0
- Direction
- lesse0
- Value
- 12%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Kazako rootstock had 12% less yield than the control.”
t0“watermelon”
Claim · model-written summary
The authors attributed lower Kazako yield to incomplete compatibility.
- Taxon
- watermelonCitrullus lanatust0
- Material
- Kazako rootstocke0
- Outcome
- yielde1
- Qualifier
- incomplete compatibilitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This could be attributed to incomplete compatibility of Kazako rootstock.”
t0“watermelon”
e1“Kazako rootstock had 12% less yield than the control.”
Claim · model-written summary
Grafting positively influenced fruit length, diameter and rind in the first year.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- graftinge0
- Outcome
- Length and diameter of fruit and rend of fruite0
- Direction
- positively influencede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Length and diameter of fruit and rend of fruit were positively influenced by grafting in the first year”
t0“watermelon”
Claim · model-written summary
Grafting significantly reduced fruit TSS% in the second season.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- graftinge0
- Outcome
- TSS%e0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“TSS% was significantly reduced by grafting in the second season”
t0“watermelon”
Claim · model-written summary
The authors recommend grafting watermelon where soil-borne disease pressure is heavy and choosing favorable rootstocks.
- Taxon
- watermelonCitrullus lanatuse0
- Outcome
- using grafting in heavily infected with soil borne diseases and importance of choosing the rootstockse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“importance of using grafting in heavily infected with soil borne diseases and importance of choosing the rootstocks that positively influence plant growth as well as yield and quality of scion fruit for the commercial use of grafting in watermelon fields”
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