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Effects of Time of Pruning and Plant Bio-Regulators on the Growth, Yield, Fruit Quality and Post-Harvest Losses of Ber (Ziziphus mauritiana)

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Title Effects of Time of Pruning and Plant Bio-Regulators on the Growth, Yield, Fruit Quality and Post-Harvest Losses of Ber (Ziziphus mauritiana)
Not Available
 
Creator Shashi
Om Prakash Garhwal
Mali Ram Choudhary
Laxmi Narayan Bairwa
Kishan Lal Kumawat
Pradeep Kumar
Boris Basile
Giandomenico Corrado
Youssef Rouphael
Jagan Singh Gora
 
Subject pruning
PGRs
thiourea
salicylic acid
fruit quality
yield
shelf-life
 
Description Not Available
Indian jujube or ber (Ziziphus mauritiana Lam.) is a deciduous fruit tree typically cultivated
in several semi-arid areas of Asia because of its adaptability to yield-limiting conditions. The present
study aimed to assess the effect of four pruning times (i.e., the fourth week of March, second week of
April, fourth week of April, and second week of May) and four treatments using stress-mitigating
plant bio-regulators (thiourea at 500 ppm and 1000 ppm; salicylic acid at 100 ppm and 150 ppm) as a
means to improve both fruit yield and quality post-harvest. To this end, a full factorial experiment
lasting two growing seasons was carried out under field conditions in the representative semi-arid
region of Rajasthan, the state with the largest production in India. We assessed the vegetative growth
of the trees, the fruit size and yield, and some quality parameters (soluble content, acidity, ascorbic
acid, and total sugars) as well as the main post-harvest traits (fruit weight loss and spoilage). Overall,
pruning during the second week of April had the greatest positive influence on most of the variables
studied. For instance, it induced the highest vegetative vigor, allowing the maintenance of relatively
higher chlorophyll and relative water content in the leaves. The fruit parameters also responded most
positively to the second week of April pruning, a treatment that, compared to the others, induced
a higher diameter; a higher amount of TSS (19.6 Brix), ascorbic acid (86.5 mg/100 g), and total
sugar (10.4%); and a better post-harvest shelf-life. Among the plant bio-regulators, the application of
thiourea at 1000 ppm had the highest positive influence on the growth parameters, yield, quality, and
reduction in spoilage post-harvest. The differences between the doses of PBRs were limited.
Not Available
 
Date 2023-04-07T10:56:37Z
2023-04-07T10:56:37Z
2022-09-03
 
Type Research Paper
 
Identifier Shashi; Garhwal, O.P.; Choudhary, M.R.; Bairwa, L.N.; Kumawat, K.L.; Kumar, P.; Basile, B.; Corrado, G.; Rouphael, Y.; Gora, J.S. Effects of Time of Pruning and Plant Bio-Regulators on the Growth, Yield, Fruit Quality, and Post-Harvest Losses of Ber (Ziziphus mauritiana). Horticulturae 2022, 8, 809.
2311-7524
http://krishi.icar.gov.in/jspui/handle/123456789/76771
 
Language English
 
Relation Not Available;
 
Publisher MDPI Basel