Abstract
A field experiment to study the effect of plant growth regulators and mineral nutrients as foliar application on source-sink relationship during fruit drop was carried out in Kinnow mandarin during 2013–2014. The plant growth regulators viz., 2,4 - D and gibberellic acid (@ 20μg/ml each) and mineral nutrients viz., FeSO4, MnSO4, ZnSO4 (@ 3.0% each), CaSO4, MgSO4 (@ 0.6% each), combination of FeSO4 +MnSO4 + ZnSO4 (@ 0.3% each), MnSO4 + ZnSO4(@ 0.1% each), KNO3 +2,4-D (@ 2.5% + 20μg/ml), KNO3 + 2,4- D (@ 5% + 20μg/ml) were tested as foliar application on eight year old Kinnow fruit plants at Punjab Agricultural University, Ludhiana. The results revealed that there was a significant reduction in fruit drop and increase in fruit yield with the tested plant growth regulators and mineral nutrients by strengthening the sink capacity. The metabolites viz. total soluble proteins, free amino acids, total soluble sugars and starch were more in the leaves as compared to fruits at both the stages of fruit drop, ie., May and August. KNO3 +2,4D (@ 2.5% + 20μg/ml) application resulted in maximum metabolic content in the fruits at the two diagnostic stages.
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Claims 5
Claim · model-written summary
Foliar plant growth regulators and mineral nutrients significantly reduced fruit drop.
- Taxon
- Kinnow mandarint0
- Treatment
- plant growth regulators and mineral nutrientse0
- Outcome
- fruit drope0
- Direction
- reductione0
Not reportedComparator
Verbatim
e0“there was a significant reduction in fruit drop and increase in fruit yield with the tested plant growth regulators and mineral nutrients by strengthening the sink capacity”
t0“kinnow mandarin”
Claim · model-written summary
Foliar plant growth regulators and mineral nutrients significantly increased fruit yield.
- Taxon
- Kinnow mandarint0
- Treatment
- plant growth regulators and mineral nutrientse0
- Outcome
- fruit yielde0
- Direction
- increasee0
Not reportedComparator
Verbatim
e0“there was a significant reduction in fruit drop and increase in fruit yield with the tested plant growth regulators and mineral nutrients by strengthening the sink capacity”
t0“kinnow mandarin”
Claim · model-written summary
Total soluble proteins, free amino acids and total soluble sugars were more abundant in leaves than fruits at both fruit-drop stages.
Verbatim
e0“The metabolites viz. total soluble proteins, free amino acids, total soluble sugars and starch were more in the leaves as compared to fruits at both the stages of fruit drop, ie., May and August.”
t0“kinnow mandarin”
Claim · model-written summary
Starch was more abundant in leaves than fruits at both fruit-drop stages.
Verbatim
e0“The metabolites viz. total soluble proteins, free amino acids, total soluble sugars and starch were more in the leaves as compared to fruits at both the stages of fruit drop, ie., May and August.”
t0“kinnow mandarin”
Claim · model-written summary
KNO3 plus 2,4D at the stated dose gave maximum fruit metabolic content at two diagnostic stages.
- Taxon
- Kinnow mandarint0
- Treatment
- KNO3 +2,4D (@ 2.5% + 20μg/ml)e0
- Outcome
- metabolic content in the fruitse0
- Direction
- maximume0
Not reportedComparator
Verbatim
e0“KNO3 +2,4D (@ 2.5% + 20μg/ml) application resulted in maximum metabolic content in the fruits at the two diagnostic stages.”
t0“kinnow mandarin”
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