Abstract
This is the second year of research on the effects of grafting watermelon ( Citrullus lanatus ) onto rootstocks of squash and gourd. The study was conducted at Lane, Okla., in both 2004 and 2005. This report deals with the results from 2005. Treatments consisted of watermelon cultivars SF 800, SS 5244, SS 7167, SS 7177, and SS 7187 from Abbot & Cobb Seed Co., grown on their own roots, or grafted onto rootstocks of RS1330, RS1332, RS1420, or RS 1422. Additional controls consisted of nongrafted cultivars Sangria, Royal Sweet, Jubilee, and Jamboree. Two fields were planted, with three replications per field. Plants were grown on 1-m centers, with rows 3 m apart. Yields from grafted plants were higher than average farm yields in Oklahoma, but were lower than yields from the nongrafted plants in this experiment. Sugar content, measured as soluble solids, was in some cases lower with the grafted plants than with the nongrafted plants. Lycopene content of fruit from grafted plants was similar to that of fruit from nongrafted plants. Fruit firmness, as measured by a penetrometer, was significantly greater in the grafted fruit than in the nongrafted fruit. This increase in fruit firmness should be of significance to the fresh-cut fruit industry. Matching of scions with appropriate rootstocks was important, as interactions did occur. Rootstock 1332 generally had lower sugar content and yield than did the other rootstocks, but not with all scions. Certain combinations of rootstock and scion were significantly superior to other combinations.
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Claims 9
Claim · model-written summary
Grafted watermelon yielded above average Oklahoma farm yields.
- Taxon
- watermelon
Citrullus lanatust0 - Treatment
- grafted plantse0
- Outcome
- Yieldse0
- Direction
- highere0
- Comparator
- average farm yields in Oklahomae0
- Setting
- Oklahomae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields from grafted plants were higher than average farm yields in Oklahoma, but were lower than yields from the nongrafted plants in this experiment”
t0“WATERMELON”
Claim · model-written summary
Grafted watermelon yielded less than nongrafted experimental plants.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- grafted plantse0
- Outcome
- Yieldse0
- Direction
- lowere0
- Comparator
- nongrafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields from grafted plants were higher than average farm yields in Oklahoma, but were lower than yields from the nongrafted plants in this experiment”
t0“WATERMELON”
Claim · model-written summary
Grafting sometimes lowered soluble solids.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- grafted plantse0
- Outcome
- Sugar contente0
- Direction
- lowere0
- Qualifier
- in some casese0
- Comparator
- nongrafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar content, measured as soluble solids, was in some cases lower with the grafted plants than with the nongrafted plants”
t0“WATERMELON”
Claim · model-written summary
Grafted and nongrafted fruit had similar lycopene content.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- grafted plantse0
- Outcome
- Lycopene contente0
- Direction
- similare0
- Comparator
- nongrafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lycopene content of fruit from grafted plants was similar to that of fruit from nongrafted plants”
t0“WATERMELON”
Claim · model-written summary
Grafted fruit were significantly firmer than nongrafted fruit.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- grafted fruite0
- Outcome
- Fruit firmnesse0
- Direction
- greatere0
- Comparator
- nongrafted fruite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit firmness, as measured by a penetrometer, was significantly greater in the grafted fruit than in the nongrafted fruit”
t0“WATERMELON”
Claim · model-written summary
Scion by rootstock interactions occurred.
- Taxon
- watermelonCitrullus lanatust0
- Material
- scionse0
- Outcome
- interactions did occure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Matching of scions with appropriate rootstocks was important, as interactions did occur”
t0“WATERMELON”
Claim · model-written summary
Rootstock 1332 generally produced lower sugar content than other rootstocks, depending on scion.
- Taxon
- watermelonCitrullus lanatust0
- Material
- Rootstock 1332e0
- Outcome
- sugar contente0
- Direction
- lowere0
- Qualifier
- not with all scionse0
- Comparator
- other rootstockse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rootstock 1332 generally had lower sugar content and yield than did the other rootstocks, but not with all scions”
t0“WATERMELON”
Claim · model-written summary
Rootstock 1332 generally produced lower yield than other rootstocks, depending on scion.
- Taxon
- watermelonCitrullus lanatust0
- Material
- Rootstock 1332e0
- Outcome
- yielde0
- Direction
- lowere0
- Qualifier
- not with all scionse0
- Comparator
- other rootstockse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rootstock 1332 generally had lower sugar content and yield than did the other rootstocks, but not with all scions”
t0“WATERMELON”
Claim · model-written summary
Some scion-rootstock combinations were significantly superior to others.
- Taxon
- watermelonCitrullus lanatust0
- Material
- combinations of rootstock and scione0
- Outcome
- significantly superiore0
- Direction
- superiore0
- Comparator
- other combinationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Certain combinations of rootstock and scion were significantly superior to other combinations”
t0“WATERMELON”
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