Abstract
Mosambi-cultivar of sweet orange is very popular in West Bengal and it is successfully grown in Paschimanchal (Red and laterite zone) of West Bengal. Fruit dropping in mosambi is a serious problem at there, leading to considerable yield loss. To minimize such drop, an investigation was made in a private orchard at Jhargram with plant growth regulators, consisting of 7 treatments viz., NAA at 15, 20, 25 and 30 ppm; GA3 at 25 ppm; 2, 4-D at 10 ppm and water spray (control). Four sprays were made, starting from pea stage of fruit development, at an interval of 20-30 days. Three consecutive years of study indicated that NAA at 15 ppm was the most effective in reducing the fruit drop at different months after fruit set which resulted in doubling of fruit production as compared to control. The next effective growth regulator was 2, 4-D at 10 ppm. The fruit weight was significantly improved due to application of plant growth regulators but not the fruit quality like TSS, acidity, vitamin C and juice content in fruit.
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Claims 5
Claim · model-written summary
NAA at 15 ppm was most effective at reducing fruit drop after fruit set.
- Taxon
- sweet orange
Citrus sinensist0 - Organ / stage
- fruit sete0
- Treatment
- NAA at 15 ppme0
- Outcome
- fruit drope0
- Direction
- reducinge0
- Comparator
- water spray (control)e1
Not reportedMaterial
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NAA at 15 ppm was the most effective in reducing the fruit drop at different months after fruit set”
e1“water spray (control)”
t0“sweet orange”
Claim · model-written summary
NAA at 15 ppm doubled fruit production relative to control.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- NAA at 15 ppme0
- Outcome
- fruit productione0
- Direction
- doublinge0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NAA at 15 ppm was the most effective in reducing the fruit drop at different months after fruit set which resulted in doubling of fruit production as compared to control.”
t0“sweet orange”
Claim · model-written summary
2, 4-D at 10 ppm was the next most effective growth regulator for reducing fruit drop.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- 2, 4-D at 10 ppme0
- Outcome
- next effective growth regulatore0
- Direction
- next effectivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The next effective growth regulator was 2, 4-D at 10 ppm.”
e1“To minimize such drop”
t0“sweet orange”
Claim · model-written summary
Plant growth regulators significantly improved fruit weight.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- plant growth regulatorse0
- Outcome
- fruit weighte0
- Direction
- improvede0
- Comparator
- water spray (control)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The fruit weight was significantly improved due to application of plant growth regulators”
e1“water spray (control)”
t0“sweet orange”
Claim · model-written summary
Plant growth regulators did not significantly improve fruit quality measures including TSS, acidity, vitamin C and juice content.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- plant growth regulatorse0
- Outcome
- fruit quality like TSS, acidity, vitamin C and juice content in fruite0
- Comparator
- water spray (control)e1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The fruit weight was significantly improved due to application of plant growth regulators but not the fruit quality like TSS, acidity, vitamin C and juice content in fruit.”
e1“water spray (control)”
t0“sweet orange”
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