Question

differentiate between mound and air layering methods of vegetative propogation in short note?​

Answer 1

AIR or AERIAL LAYERING:-

• A healthy branch of the plant is selected, and a girdle is made just below a node .
• The girdle portion is covered with moist moss plants, cotton or polythene sheet to prevent evaporation of moisture .
• An earthen pot with a hole at the bottom is hung from a branch above it, to ensure a countinuous supply of water .
• This portion is then left undisturbed till adventitious roots appear from above the girdled area .
• When healthy roots appear through the polythene sheet, the layered shoot is separated from the mother plant .

Example:- Croton,rose,guava,litchi,

Orange.

MOUND or GROUND LAYERING:-

• A branch near the ground is bent down-words so that it touches the soil .
• Under a node on the basal side, a cut is made to form a tongue .
• With the help of small piece of wood, the two cut parts are kept apart .
• The tongue part is then covered with soil some distance from the tip .
• A stone is placed on the layered portion in position or it is covered with soil .
• Water is provided whenever required .
• After few days, the part that is under the soil develops root . The layered part can then be separated from the parent plant and grown separately .

Example:- Ipomea, rose, Jasmine, mango,grapevine .

Hope it's helpful to you.

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Answer 2

Answer:

: a method of propagation in which various woody-stemmed plants (as currants, gooseberries, quinces) are cut back to the ground in early spring and the new shoots that they develop are covered with soil to a depth of six to eight inches to induce root growth which forms individual plants that can be removed in the fall