Vine Mechanics Flashcards
What is seed lignification?
When the seed becomes woody through the formation and deposit of lignin in cell walls.
What is in a vine bleed?
water, organic acids, hormones, minerals, and sugars.
What is a pedicle?
The stem that attaches the grape berries to a cluster.
What is a peduncle?
The stem that attaches the grape cluster to the shoot.
What is a tendril?
A specialized stem, leaf or petiole with a threadlike shape that is used by climbing plants for support, attachment and cellular invasion by parasitic plants, generally by twining around suitable hosts.
What is a lateral shoot commonly known as?
A branch
What is another word for peduncle?
Bunchstem
Most vine training systems are designed to ensure what?
Adequate sunlight and circulation.
What is removed in cane training?
90 percent of the year’s previous growth.
In cane training, what are the canes cut back to?
Near the base of the cordon.
What is the shortened stub called in cane training?
A spur.
What are popular examples of cane trained vines?
Guyot, Mosel, Pendelbogen.
What happens with canes when vines are spur trained?
Individual canes may be relatively permanent.
What happens on the canes when vines are spur trained?
Excess buds are removed.
What are the two ways cordons are usually trained?
unilateral (one arm)
bilateral (two arms)
