Abstract
In order to study the effect of spraying different concentration (200, 300 and 400 ppm) of micronized sulfur on vegetative growth, yield and fruit physic-chemical characteristics of Sewy date palm trees, un field experiment was conducted during 2018 and 2019 in sandy soil located at El-Karaga oasis New Valley Governorate, Egypt. The obtained results confirmed that all vegetative growth leaves main pigments (chlorophyll a, b and total carotenoids), yield in kg/palm as well as physic-chemical characteristics were significantly improved as a result of spraying micronized sulfur at 200 to 400 ppm, rather than control treatment. This increment was parallel and correlated with increasing the concentration used from 200 to 400 ppm. However, non-significant differences were observed between the two highest concentrations (300 and 400 ppm), neither during the first nor during the second season. Generally, in order to improving the growth and fruiting of Sewy date palm trees grown under sandy soil, this study strongly recommended by spraying the palms with 300 ppm micronized sulfur three times yearly.
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Claims 7
Claim · model-written summary
Spraying micronized sulfur at 200 to 400 ppm significantly improved vegetative growth of Sewy date palm compared with the control.
Verbatim
t0“SEWY DATE PALM”
e0“all vegetative growth leaves main pigments (chlorophyll a, b and total carotenoids), yield in kg/palm as well as physic-chemical characteristics were significantly improved as a result of spraying micronized sulfur at 200 to 400 ppm, rather than control treatment”
Claim · model-written summary
Spraying micronized sulfur at 200 to 400 ppm significantly improved leaf pigments (chlorophyll a, b and total carotenoids) of Sewy date palm compared with the control.
Verbatim
t0“SEWY DATE PALM”
e0“all vegetative growth leaves main pigments (chlorophyll a, b and total carotenoids), yield in kg/palm as well as physic-chemical characteristics were significantly improved as a result of spraying micronized sulfur at 200 to 400 ppm, rather than control treatment”
Claim · model-written summary
Spraying micronized sulfur at 200 to 400 ppm significantly improved yield per palm of Sewy date palm compared with the control.
Verbatim
t0“SEWY DATE PALM”
e0“all vegetative growth leaves main pigments (chlorophyll a, b and total carotenoids), yield in kg/palm as well as physic-chemical characteristics were significantly improved as a result of spraying micronized sulfur at 200 to 400 ppm, rather than control treatment”
Claim · model-written summary
Spraying micronized sulfur at 200 to 400 ppm significantly improved fruit physico-chemical characteristics of Sewy date palm compared with the control.
Verbatim
t0“SEWY DATE PALM”
e0“all vegetative growth leaves main pigments (chlorophyll a, b and total carotenoids), yield in kg/palm as well as physic-chemical characteristics were significantly improved as a result of spraying micronized sulfur at 200 to 400 ppm, rather than control treatment”
Claim · model-written summary
The improvement in Sewy date palm was parallel to and correlated with increasing the sulfur spray concentration from 200 to 400 ppm.
Verbatim
t0“SEWY DATE PALM”
e1“This increment was parallel and correlated with increasing the concentration used from 200 to 400 ppm”
Claim · model-written summary
No significant differences were observed between the 300 and 400 ppm sulfur sprays in either season.
Not reportedComparator
Verbatim
t0“SEWY DATE PALM”
e2“non-significant differences were observed between the two highest concentrations (300 and 400 ppm)”
Claim · model-written summary
The authors strongly recommend spraying Sewy date palms with 300 ppm micronized sulfur three times yearly.
Verbatim
t0“SEWY DATE PALM”
e3“spraying the palms with 300 ppm micronized sulfur three times yearly”