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Use of soft wood and semi-hard wood scion suckers in top-working (field grafting)

by Kumar, A; Srinivasan, C.S.
Publisher: 2000ISSN: 0374-8537.Subject(s): COFFEA | RAMAS | INJERTO | COMPATIBILIDAD DEL INJERTO | PORTAINJERTOS | INJERTO DE PUA | TALLOS | INDIA | COFFEA | BRANCHES | GRAFTING | GRAFT COMPATIBILITY | ROOTSTOCKS | SCIONS | STEMS | INDIA | COFFEA | BRANCHE | GREFFAGE | COMPATIBILITE DE GREFFE | PORTE GREFFE | GREFFON | TIGE | INDE In: Journal of Coffee Research (India) v. 28(1-2) p. 81-84Summary: The performance of scion materials (i.e. semi-hardwood and softwood suckers) from coffee cv. Swarnagiri-6 grafted on 16-year-old cv. San Ramon rootstocks was studied in Kodagu district, Karnataka, India. Grafting by wedge-cleft method was conducted in July 1995. Grafting success was evaluated two months after grafting. Greater grafting success (96.8 percent), stem girth above the union (1.22 cm), stem girth at union (1.13 cm), plant height (90.02 cm), number (9.7) and length (28.92 cm) of primary branches per plant, and number of nodes on the main stem (7.22) were obtained using softwood scions. Stem girths of rootstocks with softwood (4.34 cm) and semi-hardwood scions (4.32 cm) did not significantly vary.
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The performance of scion materials (i.e. semi-hardwood and softwood suckers) from coffee cv. Swarnagiri-6 grafted on 16-year-old cv. San Ramon rootstocks was studied in Kodagu district, Karnataka, India. Grafting by wedge-cleft method was conducted in July 1995. Grafting success was evaluated two months after grafting. Greater grafting success (96.8 percent), stem girth above the union (1.22 cm), stem girth at union (1.13 cm), plant height (90.02 cm), number (9.7) and length (28.92 cm) of primary branches per plant, and number of nodes on the main stem (7.22) were obtained using softwood scions. Stem girths of rootstocks with softwood (4.34 cm) and semi-hardwood scions (4.32 cm) did not significantly vary.

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