Influence of Sulphuric Acid, Humic Acid, Sulphur and Irrigation Water on Growth and Productivity of Superior Seedless Vines Grown Under Saline Conditions

Omar,, A.; Abdelall, A.

doi:10.21608/jpp.2005.237754

Cited by 2 publications

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“…Additionally, they observed that with the increased application of humic acid, the percentage of fruit drop decreased. Humic acid has also been shown to have a significant beneficial effect on grapes [55] and pears [56,57].…”

Section: Discussionmentioning

confidence: 99%

Effect of Foliar Feeding with Nutrients and Bioregulators on Yield and Quality Attributes of Litchi cv. Bombai

Nayak,

Tarai,

Swain

et al. 2024

Horticulturae

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Litchi (Litchi chinensis Sonn.) is considered one of the most important sub-tropical fruits of the world. In the western part of Odisha, India, litchi growers are facing problems of unstable and lower marketable yield and inferior quality due to a higher incidence of fruit cracking, fruit drop, low sugar content, and higher fruit acidity. Keeping in mind the positive effects of nutrients and bioregulators, the current study was conducted to elucidate their impact on fruit yield and quality in the farmers’ field of Jamankira block in Sambalpur district of Odisha, which is under the care of Odisha University of Agriculture and Technology, India. For this study, eight-year-old litchi trees were selected. With 12 treatments, the experiment was set up in a Randomized Block Design replicated thrice, as follows: T1: spray treatment with Borax—0.5%; T2: spray treatment with Borax—0.3%; T3: spray treatment with ZnSO4—0.75%; T4: spray treatment with ZnSO4—0.5%; T5: spray treatment with CaCl2—0.5%; T6: spray treatment with CaCl2—0.1%; T7: spray treatment with humic acid—1.5%; T8: spray treatment with humic acid—1%; T9: spray treatment with seaweed extract—0.5%; T10: spray treatment with seaweed extract—0.1%; T11: foliar spray with NAA—20 ppm; and T12: control (Water Spray). The current study compared foliar feeding treatments comprising different nutrient and bioregulators, which were applied during the first week of December, just after the completed formation of new leaves and the untreated control. The highest total number of fruits per plant was recorded in plants sprayed with 0.5% ZnSO4 (T4) followed by those treated with 1% humic acid (T8). The highest total fruit yield was recorded in plants subjected to foliar feeding with 0.3% Borax (T2) which was found to be statistically similar to plants treated with 0.1% seaweed extract (T10) and 0.5% seaweed extract (T9). Among the treatments, a better response, i.e., a higher number of marketable fruits and marketable yield, was recorded in litchi plants treated with 0.3% Borax (T2) followed by 0.5% zinc sulphate (T4), 1% humic acid (T8), and 0.1% CaCl2 (T6). The application of 1% humic acid (T8) followed by 1.5% humic acid (T9) enhanced fruit setting (%) and fruit retention rates (%) and reduced the fruit drop rate (%). The enhanced fruit size (fruit length and fruit width) and higher fruit weight was obtained in litchi plants treated with 0.3% Borax. The foliar application of 0.3% Borax (T2) also resulted in a higher TSS, total sugars, reducing sugar content, lower acidity, the highest aril weight, and lower seed weight in litchi cv. Bombai. In this research, among the five principal components, only PC1 demonstrated approximately 45.14% variability within the influential axes. PC1 contributed the highest proportion (48.9%) to the overall variability, followed by PC2 with 29.1%, PC3 with 11.9%, PC4 with 0.59%, and PC5 with 0.20%. Consequently, the outcomes of the principal component analysis indicate the presence of extensive variability among treatments.

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Section: Discussionmentioning

confidence: 99%

Effect of Foliar Feeding with Nutrients and Bioregulators on Yield and Quality Attributes of Litchi cv. Bombai

Nayak,

Tarai,

Swain

et al. 2024

Horticulturae

View full text Add to dashboard Cite

show abstract

Effect of Foliar Feeding of Nutrients and Bioregulators on Yield and Quality Attributes of Litchi cv. Bombai

Nayak,

TARAI,

Swain

et al. 2024

Preprint

View full text Add to dashboard Cite

Litchi (Litchi chinensis Sonn.) is considered as one of the most important sub-tropical fruits of the World. Under western part of Odisha, India, the litchi growers are facing problem of unstable and lower marketable yield and inferior quality due to higher incidence of fruit cracking, fruit drop, low sugar content and higher fruit acidity. Keeping in mind the positive effects of nutrients and bioregulators, the current study was conducted to elucidate their impact on fruit yield, and quality in the farmers field of Jamankira block in Sambalpur district of Odisha under Odisha University of Agriculture and Technology, India. For the studies, eight years old litchi trees were selected. With 12 treatments, the experiment was set up in a randomized block design replicated thrice viz, T1: Spray treatment of Borax @ 0.5%; T2: Spray treatment of Borax @ 0.3%; T3: Spray treatment of ZnSO4 @ 0.75% ; T4: Spray treatment of ZnSO4 @ 0.5%; T5: Spray treatment of CaCl2 @ 0.5%; T6: Spray treatment of CaCl2 @ 0.1%; T7: Spray treatment of Humic acid @ 1.5%; T8: Spray treatment of Humic acid @ 1%; T9: Spray treatment of Seaweed extract @ 0.5%; T10: Spray treatment of Seaweed extract @ 0.1 %; T11: Foliar spray of NAA @ 20 ppm and T12 : Control (water spray).The current study compared foliar feeding of different nutrient and bioregulators treatments, which were applied during the first week of December, just after completion of new leaf formation and untreated control. The total number of fruits per plant was recorded highest in plants sprayed with ZnSO4 @ 0.5% (T4) followed by those treated with humic acid @ 1% (T8). The highest total fruit yield was recorded in plants with foliar feeding of 0.3% Borax (T2) which was found to be statistically similar to plants treated with seaweed extract @ 0.1% (T10)and seaweed extract @ 0.5% (T9).Among the treatments better response for higher number of marketable fruits and marketable yield was recorded in plants treated with both 0.3% Borax (T2) followed by 0.5% Zinc sulphate (T4), 1% Humic acid (T8) and 0.1% CaCl2 (T6) in litchi. Application of 1% Humic acid (T8) followed by 1.5% Humic acid (T9) enhanced the fruit set (%) and fruit retention (%) along with reduction in fruit drop (%). The enhanced fruit size (fruit length and fruit breadth) and higher fruit weight was obtained in plants treated with 0.3% Borax in litchi. The foliar application of 0.3% Borax (T2) had also resulted in higher TSS, total sugars, reducing sugar, lower acidity, highest aril weight and lower seed weight in litchi cv. Bombai.

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Influence of Sulphuric Acid, Humic Acid, Sulphur and Irrigation Water on Growth and Productivity of Superior Seedless Vines Grown Under Saline Conditions

Cited by 2 publications

References 0 publications

Effect of Foliar Feeding with Nutrients and Bioregulators on Yield and Quality Attributes of Litchi cv. Bombai

Effect of Foliar Feeding with Nutrients and Bioregulators on Yield and Quality Attributes of Litchi cv. Bombai

Effect of Foliar Feeding of Nutrients and Bioregulators on Yield and Quality Attributes of Litchi cv. Bombai

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