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1. The variegated sansevieria (Sansevieria trifasciata laurentii) is not propagated by leaf cuttings because the regenerated...

1. The variegated sansevieria (Sansevieria trifasciata laurentii) is not propagated by leaf cuttings because the regenerated plants become non-variegated.

a. True

b. False

2. Which of the following cannot be accomplished by treating cuttings with IBA during propagation?

a.         Increase percent cuttings rooting       

b.         Early induction of rooting

c.         Increase number of roots per cutting

d.         Prevent development of root diseases

Science   Biology   
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Answer #1

Answer 1. a. True

A variegated sansevieria cannot be propagated by leaf cutting as the regenerative plant becomes non-variegated; for variegated offsprings, the original plant needs to reproduce sexually.

Answer 2. d. Prevent development of root diseases.

All the other options are typical functions of IBA, a kind of plant hormone in the auxins category. It greatly enhances root initiation as well as the number of roots per cutting. Hence it's used for propagation of plants.

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