"' Ariel stem modifications "'are modifications to the aerial stems, vegetative buds and floral buds of plants which perform functions such as climbing, protection, synthesis of food vegetative propagation, etc . the auxiliary or the terminal part show their stem nature.
42.
For vegetative propagation, shoots with buds can be planted in well-watered soil in the spring or summer, or a branch can be scratched to expose the bast ( inner bark ) and pinned to the ground to allow roots to develop.
43.
They are often proliferous ( with a vegetative shoot growing on beyond the tip of the cone ) on cultivated trees; this is rare in wild trees, and may be a cultivar selected for easy vegetative propagation for use in forestry plantations.
44.
One way of asexual reproduction is by vegetative propagation; this implies the offspring are gotten from the parent, according to me, there should be no genetic variation between the parent and the offspring and i am unable to find how that is possible.
45.
In 1938 the Tea Research Institute commenced work on vegetative propagation at St . Coombs Estate in Talawakele, and by 1940 it had developed a biological control ( a parasitic wasp, " Macrosentus homonae " ) to suppress the Tea Tortrix caterpillar, which had threatened the tea crop.
46.
They argued that as the fertile population is sexually reproducing, reproductively isolated, and emerged from a common origin ( in contrast to " A . ?ebenoides ", which arises through independent hybridization events, possibly followed by vegetative propagation ), it is consistent with several well-accepted biological species concepts and is deserving of recognition.
