Abstract
A field experiment was carried out for three crop seasons at Sugarcane Research Station, Nayagarh (Odisha) during spring seasons of 2015-16, 2016-17 and 2017-18 to assess the effect of ethrel and gibberellic acid on growth, yield attributing characters, yield and quality of sugarcane (Saccharum sp. complex). Pooled data of three years study indicated that different treatments with plant growth regulators had significant effect on growth, yield and quality parameters of sugarcane. Germination percent of cane buds was the highest in the treatment involving planting of sugarcane setts after overnight soaking in 100 ppm ethrel solution followed by foliar application of gibberellic acid @35 ppm at 90,120 and 150 days after planting (DAP). Other sugarcane growth parameters, viz. number of tillers and plant heights were significantly higher with the application of growth regulators which produced higher number of millable canes (at harvest) than that of other treatments in the test. Overnight soaking of cane setts in 100 ppm ethrel solution followed by foliar application of gibberellic acid @35 ppm at 90,120 and 150 days after planting also produced significantly higher yield parameters, viz. number of millable cane (84.26’ 000 ha-1), cane length (313.6 cm), cane girth (2.94 cm) and single cane weight (1.64 kg) as compared to conventionally planted sugarcane crop. There was no significant influence on juice quality parameters due to various treatments in this study. However, overnight soaking of setts with 100 ppm ethrel solution followed by foliar application of gibberellic acid @ 35 ppm at 90, 120 and 150 days after planting showed comparatively higher values in all the juice quality parameters. Significantly higher cane and sugar yields of 116.14 t/ha and 12.82 t/ha, respectively were obtained with planting of sugarcane after overnight soaking in 100 ppm ethrel solution followed by gibberellic acid spray @ 35 ppm at 90, 120 and 150 days after planting. The above higher yields were attributed mainly to marked improvement in growth and yield attributes in response to application of plant growth regulators. Therefore, it can be concluded that combined application of ethrel and gibberellic acid had the positive effect to improve the growth parameters, yield and quality of sugarcane.
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Claims 9
Claim · model-written summary
Combined ethrel soaking and gibberellic acid spray gave the highest cane bud germination.
- Taxon
- sugarcanee0
- Treatment
- overnight soaking in 100 ppm ethrel solution followed by foliar application of gibberellic acid @35 ppm at 90,120 and 150 days after planting (DAP)e0
- Outcome
- Germination percent of cane budse0
- Direction
- higheste0
Not reportedComparator
Verbatim
e0“Germination percent of cane buds was the highest in the treatment involving planting of sugarcane setts after overnight soaking in 100 ppm ethrel solution followed by foliar application of gibberellic acid @35 ppm at 90,120 and 150 days after planting (DAP)”
Claim · model-written summary
Growth regulators increased tiller number and plant height significantly.
- Taxon
- sugarcanet0
- Treatment
- application of growth regulatorse0
- Outcome
- number of tillers and plant heightse0
- Direction
- highere0
Not reportedComparator
Verbatim
e0“number of tillers and plant heights were significantly higher with the application of growth regulators”
t0“sugarcane (Saccharum sp. complex)”
Claim · model-written summary
The combined treatment yielded 84.26’ 000 ha-1 millable canes, significantly above conventional planting.
- Taxon
- sugarcanee0
- Treatment
- Overnight soaking of cane setts in 100 ppm ethrel solution followed by foliar application of gibberellic acid @35 ppm at 90,120 and 150 days after plantinge0
- Outcome
- number of millable canee0
- Direction
- highere0
- Value
- 84.26’ 000 ha-1e0
- Comparator
- conventionally planted sugarcane crope0
Verbatim
e0“Overnight soaking of cane setts in 100 ppm ethrel solution followed by foliar application of gibberellic acid @35 ppm at 90,120 and 150 days after planting also produced significantly higher yield parameters, viz. number of millable cane (84.26’ 000 ha-1), cane length (313.6 cm), cane girth (2.94 cm) and single cane weight (1.64 kg) as compared to conventionally planted sugarcane crop”
Claim · model-written summary
The combined treatment produced cane length of 313.6 cm.
Verbatim
e0“cane length (313.6 cm)”
t0“sugarcane (Saccharum sp. complex)”
Claim · model-written summary
The combined treatment produced cane girth of 2.94 cm.
Verbatim
e0“cane girth (2.94 cm)”
t0“sugarcane (Saccharum sp. complex)”
Claim · model-written summary
The combined treatment produced single cane weight of 1.64 kg.
Verbatim
e0“single cane weight (1.64 kg)”
t0“sugarcane (Saccharum sp. complex)”
Claim · model-written summary
Treatments had no significant effect on juice quality parameters.
- Taxon
- sugarcanet0
- Treatment
- various treatmentse0
- Outcome
- juice quality parameterse0
- Direction
- no significant influencee0
Not reportedComparator
Verbatim
e0“There was no significant influence on juice quality parameters due to various treatments in this study”
t0“sugarcane (Saccharum sp. complex)”
Claim · model-written summary
Combined treatment yielded 116.14 t/ha cane.
- Taxon
- sugarcanee0
- Treatment
- overnight soaking in 100 ppm ethrel solution followed by gibberellic acid spray @ 35 ppm at 90, 120 and 150 days after plantinge0
- Outcome
- canee0
- Direction
- highere0
- Value
- 116.14 t/hae0
Not reportedComparator
Verbatim
e0“Significantly higher cane and sugar yields of 116.14 t/ha and 12.82 t/ha, respectively were obtained with planting of sugarcane after overnight soaking in 100 ppm ethrel solution followed by gibberellic acid spray @ 35 ppm at 90, 120 and 150 days after planting”
Claim · model-written summary
Combined treatment yielded 12.82 t/ha sugar.
- Taxon
- sugarcanee0
- Treatment
- overnight soaking in 100 ppm ethrel solution followed by gibberellic acid spray @ 35 ppm at 90, 120 and 150 days after plantinge0
- Outcome
- sugar yieldse0
- Direction
- highere0
- Value
- 12.82 t/hae0
Not reportedComparator
Verbatim
e0“Significantly higher cane and sugar yields of 116.14 t/ha and 12.82 t/ha, respectively were obtained with planting of sugarcane after overnight soaking in 100 ppm ethrel solution followed by gibberellic acid spray @ 35 ppm at 90, 120 and 150 days after planting”
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