Standardization of grafting techniques in guava (Psidium guajava L.) under subtropical conditions of Himachal Pradesh
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Date
2021-11-16
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College of Horticulture and Forestry Neri, Hamirpur (H.P.)
Abstract
The studies on “Standardization of grafting techniques in guava (Psidium guajava L.) under subtropical conditions of Himachal Pradesh” were carried out in the fruit nursery area of Department of Fruit Science, College of Horticulture and Forestry, Neri, Hamirpur (H.P.) during the year 2020-21. This experiment was carried out to study the effect of time of grafting (July, August, September, October, January, February and March), grafting methods (tongue, wedge & saddle grafting) and scion shoot (6-month old scion shoot and 1-year old brown corky papery scion shoot) for successful grafts under protected conditions. Among different grafting methods wedge grafting exhibited maximum graft success (74.28 %), graft survival (77.37 %), sprout percentage (61.42 %), number of leaves
per sprout (7.97), sprout length (7.10 cm), earliest bud sprouting (14.05 days) and first leaf emergence (16.41 days). However, among different times of grafting, plants grafted during 1st week of February resulted maximum graft success (73.88 %) and graft survival (77.21 %) While plants grafted using 1-year old scion shoots resulted maximum graft success (66.01
%), graft survival (69.04 %), number of leaves per sprout (7.56), sprout length (6.03 cm) and sprout percentage (50.95 %). However, in overall, wedge grafting performed during first week of February using 1-year old brown corky papery scion shoot resulted maximum graft success (93.30 %) and graft survival (96.66 %).