Abstract
Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt. Seedless watermelon hybrids are preferred by most consumers because of their sweet taste and lack of hard seeds. The seedless watermelon (triploid hybrid watermelon) seeds are very expensive, do not germinate well and show least homogenous germination and growth. For these reasons, the present study aims to propagate seedless watermelon by cuttings to minimize the amounts of imported watermelon hybrid seeds in general and seedless watermelon in particular and reducing the cost of production and producing homogenous plants. Cutting is a method of asexual plant propagation widely used in horticulture. It is most commonly used for the propagation of trees and shrubs grown commercially. In vegetable crops cuttings are used on sweet potato and cassava as a commercial propagation method and cuttings can be used as a commercial propagation method in tomato, potato, eggplant, cucumber, melon and watermelon. The seedless watermelon cv. Yellow Buttercup "QV 766" F1 (yellow flesh) and SSX 7402 F1 hybrid (red flesh)) and seeded watermelon cv. Aswan F1 hybrid were grown in plastic house for use as a source of cuttings (mother plants). Two types of cuttings were use, the first type was cuttings from terminal growing point of the main stem and lateral branches 10-15cm in length 0.45and 0.6 cm in diameter and the second type was cuttings including one node, bud and leaf. The study was conducted in three different experiments using randomized complete blocks design with three replicates during the seasons of 2010/2011 and 2011/2012 at a private farm in El-Badrashein City. Each hybrid was conducted in a single experiment. Each experiment included two types of cuttings treated with three concentrations (0, 100, 200 ppm) of IBA and planted in seedling trays or pots No.8cm. Twelve cutting treatments beside the control which was produced from true seeds were used in each experiment. The obtained results showed that shoot tip cuttings with any concentrations of IBA and planted in seedling trays or in pots treatments gave a lower survival percentage than cuttings including one node and treated with any concentration of IBA and planted in seedling trays or in pots. This may be due to the significant increment in number of roots in cutting treatments have one node compared with both cutting include shoot tip and control plants. All cutting treatments which included one node gave a higher survival percentage than the seeds germination in both seedless cv. Yellow Buttercup (QV 766) F1 and SSX 7402 F1 hybrid while, the highest seed germination were recorded in Aswan F1 in both seasons. All cutting treatments gave a significant increment in all vegetative characteristics after 45 days from transplanting and early yield compared with control. The number of days from transplanting to flowering showed significant decrease than the control. The plants from cuttings reached harvesting 15 days earlier than the control. No significant differences were recorded between all cutting treatments and the control plants in all vegetative growth, yield components and fruit characteristics. All cutting treatments gave a significant increase in early yield when compared with control plants.
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Claims 9
Claim · model-written summary
Shoot tip cuttings treated with any IBA concentration gave a lower survival percentage than cuttings including one node.
- Taxon
- Watermelon (Citrullus lanatus)
Citrullus lanatuse0 - Treatment
- shoot tip cuttings with any concentrations of IBAe1
- Outcome
- survival percentagee1
- Direction
- lowere1
- Comparator
- cuttings including one nodee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt”
e1“shoot tip cuttings with any concentrations of IBA and planted in seedling trays or in pots treatments gave a lower survival percentage than cuttings including one node”
Claim · model-written summary
Cutting treatments that included one node gave a higher survival percentage than seed germination in the seedless cultivars Yellow Buttercup (QV 766) F1 and SSX 7402 F1.
- Taxon
- Watermelon (Citrullus lanatus)Citrullus lanatuse0
- Material
- seedless cv. Yellow Buttercup (QV 766) F1 and SSX 7402 F1 hybride1
- Treatment
- cutting treatments which included one nodee1
- Outcome
- survival percentagee1
- Direction
- highere1
- Comparator
- seeds germinatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt”
e1“All cutting treatments which included one node gave a higher survival percentage than the seeds germination in both seedless cv. Yellow Buttercup (QV 766) F1 and SSX 7402 F1 hybrid”
Claim · model-written summary
Seed germination was highest in the seeded Aswan F1 hybrid.
- Taxon
- Watermelon (Citrullus lanatus)Citrullus lanatuse0
- Material
- Aswan F1e1
- Outcome
- seed germinatione1
- Direction
- higheste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt”
e1“the highest seed germination were recorded in Aswan F1 in both seasons”
Claim · model-written summary
All cutting treatments gave a significant increment in all vegetative characteristics after 45 days from transplanting compared with control.
- Taxon
- Watermelon (Citrullus lanatus)Citrullus lanatuse0
- Treatment
- All cutting treatmentse1
- Outcome
- all vegetative characteristicse1
- Direction
- incremente1
- Qualifier
- after 45 days from transplantinge1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt”
e1“All cutting treatments gave a significant increment in all vegetative characteristics after 45 days from transplanting and early yield compared with control”
Claim · model-written summary
All cutting treatments gave a significant increase in early yield compared with control plants.
- Taxon
- Watermelon (Citrullus lanatus)Citrullus lanatuse0
- Treatment
- All cutting treatmentse1
- Outcome
- early yielde1
- Direction
- increasee1
- Comparator
- control plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt”
e1“All cutting treatments gave a significant increase in early yield when compared with control plants”
Claim · model-written summary
Plants from cuttings showed a significant decrease in days from transplanting to flowering compared with control.
- Taxon
- Watermelon (Citrullus lanatus)Citrullus lanatuse0
- Treatment
- plants from cuttingse2
- Outcome
- number of days from transplanting to floweringe1
- Direction
- decreasee1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt”
e1“The number of days from transplanting to flowering showed significant decrease than the control”
e2“The plants from cuttings reached harvesting 15 days earlier than the control”
Claim · model-written summary
Plants from cuttings reached harvesting 15 days earlier than the control.
- Taxon
- Watermelon (Citrullus lanatus)Citrullus lanatuse0
- Treatment
- plants from cuttingse1
- Outcome
- harvestinge1
- Direction
- earliere1
- Value
- 15 dayse1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt”
e1“The plants from cuttings reached harvesting 15 days earlier than the control”
Claim · model-written summary
Cutting treatments did not differ from control plants in vegetative growth, yield components or fruit characteristics.
- Taxon
- Watermelon (Citrullus lanatus)Citrullus lanatuse0
- Treatment
- all cutting treatmentse1
- Outcome
- vegetative growth, yield components and fruit characteristicse1
- Direction
- No significant differencese1
- Comparator
- the control plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt”
e1“No significant differences were recorded between all cutting treatments and the control plants in all vegetative growth, yield components and fruit characteristics”
Claim · model-written summary
Cutting treatments with one node had a significant increase in number of roots compared with shoot tip cuttings and control plants.
- Taxon
- Watermelon (Citrullus lanatus)Citrullus lanatuse0
- Treatment
- cutting treatments have one nodee1
- Outcome
- number of rootse1
- Direction
- incremente1
- Comparator
- shoot tip and control plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Watermelon (Citrullus lanatus) is an important vegetable crop grown in Egypt”
e1“significant increment in number of roots in cutting treatments have one node compared with both cutting include shoot tip and control plants”
The same questions in other papers
pruning · yield · Citrullus lanatus (watermelon)Positive and negative results
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- no effect
- positive
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See all 6 papers →pruning · survival · Citrullus lanatus (watermelon)Results agree
1 paper in the same direction as this paper
- positive
pruning · growth · Citrullus lanatus (watermelon)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.