Quality plant material plays an important role in obtaining optimum economic yield with marketable quality produce under various biotic and abiotic stress conditions. This is an important aspect in horticultural crops having long productive life like grapes. Some quality standards regarding rootstock and scion plant material have been advocated at national level and documented for the benefit of grape nurseries and grape growers. Introduction:
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Quality plant material plays an important role in obtaining optimum economic yield with marketable quality produce under various biotic and abiotic stress.
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Quality plant material plays an important role in obtaining optimum
economic yield with marketable quality produce under various biotic
and abiotic stress conditions. This is an important aspect in
horticultural crops having long productive life like grapes.
Some quality standards regarding rootstock and scion plant
material have been advocated at national level and documented for
the benefit of grape nurseries and grape growers.
Introduction:
Quality of grape grafts is greatly determined by the quality of mother
plants used as rootstock as well as selection of scion. Quality of
mother plants is maintained by:
•Planting in separate block for selected mother plants of both
rootstock and scion grape varieties
•Using authentic planting material and proper management of these
plants like prevention from pests and diseases, avoiding imbalanced
growth, providing appropriate amount of nutrition, etc.
Mother Plants
• Varieties selected must have longer productive life, greater
potential for yield and good quality of produce.
• Plants should be from true-to-type progeny, healthy and free from
diseases and pests infestation and physiological disorders.
Mother Plants
Grape Nursery: Mother Plant Block
Selection of appropriate root stock is very important in successful
grape grafts as well as Grape nursery. The selected rootstock
should have following characters like:
• Vigorous root system.
• Compatible with known commercial scion variety,
• Resistant to Phylloxera disease and Nematodes
• Easy to propagate and Tolerant to drought condition.
Root Stock Variety:
Grape Rootstock:
In-situ plantation of Root stock Cutting in Grape
The Graft:
• Selection of proper stage and age of scion sticks is necessary for
successful and healthy graft. The rootstock and scion must be vigorous,
healthy without disease and pest infestation and without any physical injury.
• Bud sticks and rootstock must have similar girth for better union and of
appropriate thickness and maturity have to be selected for grafting in case
of both rootstock and scion varieties.
• Scion sticks and rootstock are initially grown under controlled and standard
conditions for uniform and faster union.
The Graft:
Successful Graft of Grapes
Grape Grafts:
Grape Grafts ready for Sale in Nursery
Management of Grafts:
Management of the growing plants after the grafting process is an
important aspect in quality grape nursery production. Maintaining
conditions favorable for growth and graft union can be obtained by:
•Regular spraying for control of pests and diseases on the new
planting material.
•The grafts must be supplied with proper doses of nutrients at right
time.
•The grafts must be irrigated regularly and maintained in warm and
humid climate for proper growth and graft union.
Hardening:
• Planting material in the nursery should be produced under
favorable climatic conditions.
• Plants attain fast growth in nursery due to favorable climatic
conditions, however such seedlings fail to adjust in open fields.
• During hardening process, these nursery plants are gradually
exposed to outdoor environment so that such plants can easily