VEN 101B UPDATED Actual Questions and CORRECT Answers
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Course
VEN 101B
Institution
VEN 101B
VEN 101B UPDATED Actual Questions
and CORRECT Answers
Wild species are dioeciously and cultivated grapevines are monoecious. What do these terms
mean? - CORRECT ANSWER- Dioecious - male and female flowers on different vines
Monoecious - all on same
What is a bud? - CORRECT ANSWER- Compressed...
VEN 101B UPDATED Actual Questions
and CORRECT Answers
Wild species are dioeciously and cultivated grapevines are monoecious. What do these terms
mean? - CORRECT ANSWER- ✔✔Dioecious - male and female flowers on different vines
Monoecious - all on same
What is a bud? - CORRECT ANSWER- ✔✔Compressed shoots
Name the two types of buds. What's the main difference? - CORRECT ANSWER-
✔✔Lateral (prompt) - formed in same season
Compound (dormant) - formed in previous season
Where is the lateral bud found? - CORRECT ANSWER- ✔✔Axil of each leaf
If lateral shoot doesn't grow during the season produced, what will happen? - CORRECT
ANSWER- ✔✔The bud will die off
-If it did grow, it will fall off in winter and leave a scar on the node next to the dormant bud
Can lateral shoots produce clusters? - CORRECT ANSWER- ✔✔Yes - second crop
Where is the dormant (compound) bud found? - CORRECT ANSWER- ✔✔Basil axil of the
lateral buds
Describe a dormant (compound/latent) bud - CORRECT ANSWER- ✔✔Telescoped shoot
with 6-10 nodes and leaf primordia, up to 3 clusters, tendrils, lateral buds etc...
-NEEDS TO GO THROUGH DORMANCY
Where are basal buds located? - CORRECT ANSWER- ✔✔Base of shoot or cane
What is a Basal Bud... how does it differ from lateral and dormant buds? - CORRECT
ANSWER- ✔✔Can be lateral or dormant buds
, -less fruitful than the other buds, but varies by cultivar
-situated in a "whirl/crown shape"
What is bud fruitfulness and how can it be determined? - CORRECT ANSWER- ✔✔-
Average number of clusters per shoot
-Bud dissections
What is dormancy? - CORRECT ANSWER- ✔✔Environmental & Internal cues that control
timing of phenological or developmental events
What are the 3 types of dormancy - CORRECT ANSWER- ✔✔1. Paradormancy
2. Endodormancy
3. Ectodormancy
What is Paradormancy - CORRECT ANSWER- ✔✔"Summer dormancy"
-induced by structures other than the bud
-Primarily related to apical control
What is Endodormancy - CORRECT ANSWER- ✔✔-Inhibition of growth
-triggered by hormones
-INTERNAL CUES
-Accumulated chilling hours needed to move past
What is Ectodormancy - CORRECT ANSWER- ✔✔-Requirements from endodormancy met
-Warm temperatures and water targets met
-Bud burst
What is apical control? - CORRECT ANSWER- ✔✔Control of one higher woody tissue over
another
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