Investigation of possibility for reducing of Mahalli Mandarin (citrus reticulate Blanco) alternative bearing with pruning and girdling in Jahrom.
2014
Fayazi, Masuod | Ghasemi, Malek | Hayatbakhsh, Enayat | Pahlavanpoor Fard Jahromi, Ali Asghar | Golain, Behrooz
Pruning and girdling effects on fruit yield and quality of Mahalli mandarin trees (Citrus reticulata Blanco) on Lime rootstock [Citrus aurantifolia (L.) Osb.] were studied at the Agricultural research station of Jahrom in 2007 12. This study was performed as RCBD with six treatments consist: 1) low summer pruning, 2) severe summer pruning, 3) low summer pruning + girdling, 4) severe summer pruning + girdling, 5) girdling, 6) control with three replications and two trees in per replication and total 36 trees.The results of the test showed the highest average fruit yield per tree belonging to the treatment of severe pruning in summer and lowest performance is obtained Girdling. No Significant differences effects observed between treatments at the 5% level by Duncan test in alternative bearing, fruit length, diameter, length to diameter ratio, volume, weight, volume to weight ratio , rind thickness,rind weight and also the content of total soluble solid(T.S.S)juice, citric acid(TA) and (TSS/TA) ratio.But severe summer pruning treatment had the highest juice percentage and low summer pruning + girdling, severe summer pruning + girdling, girdling treatments had the lowest juice percentage. Girdling treatment had the highest fruit weight and severe summer pruning + girdling had the lowest fruit weight Keywords: Mahalli mandarin, pruning, girdling. Alternative bearing
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