Abstract
This study was carried out during the two summer seasons of 2011 and 2012 at Sakha Agricultural Research Station Farm, Kafr El-Sheikh Governorate, Egypt on summer squash (Cucurbita pepo L.) El-Askandarani cultivar to study the impact of plant spacing(30,40 and 60cm between plants), nitrogen fertilizer sources (organic and inorganic) and foliar spray with biostmulants(garlic or yeast extracts) and their interactions on vegetative parameters and leaf chemical constituents.Resultes indicated that, the highest values of vegetative growth characters i.e., plant length, number of leaves, fresh and dry weight, leaf area and chlorophyll contents in leaves as well as chemical constituents of leaves(N, P, K, Fe, Zn and Mn)were recorded when plants growing at 60 cm between plants. Squash plants sprayed with 2.5cml garlic extracts recorded better growth performance and higher values of chemical constituents of leaves than unsprayed plants. Also fertilized plants with 50%organic+50%inorganic recorded the highest significant values of most aforementioned parameters compared with control. The best results of both vegetative growth parameters and chemical constituents of leaves were recorded when plants growing at 60cm between them and fertilized by 50%organic as compost +50%inorganic as ammonium nitrate (100 kg/fed.) and sprayed with garlic or yeast extracts at 2.5cm/l in both seasons. Therefore, this treatment could be recommended for improving squash plants performance under similar condition of this study.
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Claims 9
Claim · model-written summary
Summer squash plants spaced 60 cm apart had the highest plant length and number of leaves.
- Taxon
- summer squashe0
- Treatment
- plants growing at 60 cm between plantse1
- Outcome
- plant length, number of leavese1
- Direction
- higheste1
Not reportedComparator
Verbatim
e0“summer squash”
e1“the highest values of vegetative growth characters i.e., plant length, number of leaves, fresh and dry weight, leaf area and chlorophyll contents in leaves as well as chemical constituents of leaves(N, P, K, Fe, Zn and Mn)were recorded when plants growing at 60 cm between plants”
Claim · model-written summary
Summer squash plants spaced 60 cm apart had the highest fresh and dry weight.
- Taxon
- summer squashe0
- Treatment
- plants growing at 60 cm between plantse1
- Outcome
- fresh and dry weighte1
- Direction
- higheste1
Not reportedComparator
Verbatim
e0“summer squash”
e1“the highest values of vegetative growth characters i.e., plant length, number of leaves, fresh and dry weight, leaf area and chlorophyll contents in leaves as well as chemical constituents of leaves(N, P, K, Fe, Zn and Mn)were recorded when plants growing at 60 cm between plants”
Claim · model-written summary
Summer squash plants spaced 60 cm apart had the highest leaf area and chlorophyll content.
- Taxon
- summer squashe0
- Treatment
- plants growing at 60 cm between plantse1
- Outcome
- leaf area and chlorophyll contentse1
- Direction
- higheste1
Not reportedComparator
Verbatim
e0“summer squash”
e1“the highest values of vegetative growth characters i.e., plant length, number of leaves, fresh and dry weight, leaf area and chlorophyll contents in leaves as well as chemical constituents of leaves(N, P, K, Fe, Zn and Mn)were recorded when plants growing at 60 cm between plants”
Claim · model-written summary
Summer squash plants spaced 60 cm apart had the highest leaf chemical constituents (N, P, K, Fe, Zn and Mn).
- Taxon
- summer squashe0
- Treatment
- plants growing at 60 cm between plantse1
- Outcome
- chemical constituents of leavese1
- Direction
- higheste1
Not reportedComparator
Verbatim
e0“summer squash”
e1“the highest values of vegetative growth characters i.e., plant length, number of leaves, fresh and dry weight, leaf area and chlorophyll contents in leaves as well as chemical constituents of leaves(N, P, K, Fe, Zn and Mn)were recorded when plants growing at 60 cm between plants”
Claim · model-written summary
Squash plants sprayed with 2.5 cml garlic extract showed better growth performance than unsprayed plants.
Verbatim
e1“Squash plants sprayed with 2.5cml garlic extracts recorded better growth performance and higher values of chemical constituents of leaves than unsprayed plants”
Claim · model-written summary
Squash plants sprayed with 2.5 cml garlic extract had higher leaf chemical constituents than unsprayed plants.
Verbatim
e1“Squash plants sprayed with 2.5cml garlic extracts recorded better growth performance and higher values of chemical constituents of leaves than unsprayed plants”
Claim · model-written summary
Squash fertilized with 50% organic plus 50% inorganic nitrogen had the highest significant values of most of the measured growth and leaf constituent parameters compared with control.
Verbatim
e0“summer squash”
e1“fertilized plants with 50%organic+50%inorganic recorded the highest significant values of most aforementioned parameters compared with control”
Claim · model-written summary
The best vegetative growth and leaf constituents occurred with 60 cm spacing, 50% compost plus 50% ammonium nitrate (100 kg/fed.) and garlic or yeast extract spray at 2.5 cm/l in both seasons.
- Taxon
- summer squashe0
- Treatment
- 60cm between them and fertilized by 50%organic as compost +50%inorganic as ammonium nitrate (100 kg/fed.) and sprayed with garlic or yeast extracts at 2.5cm/le1
- Outcome
- vegetative growth parameters and chemical constituents of leavese1
- Direction
- beste1
- Setting
- both seasonse1
Not reportedComparator
Verbatim
e0“summer squash”
e1“The best results of both vegetative growth parameters and chemical constituents of leaves were recorded when plants growing at 60cm between them and fertilized by 50%organic as compost +50%inorganic as ammonium nitrate (100 kg/fed.) and sprayed with garlic or yeast extracts at 2.5cm/l in both seasons”
Claim · model-written summary
The authors recommend this treatment combination for improving squash plant performance under similar conditions.
Verbatim
e1“this treatment could be recommended for improving squash plants performance under similar condition of this study”
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