Modification of Different Parts of Plant. Modification of Taproot. The lower nodes above the ground level give rise to a ring of stout and slender roots; They grow obliquely downwards into the soil and give support to the stem. These aerial roots hold a special sponge like tissue termed as velamen. Adventitious root modification • Roots produced from any portion of the plant other than the radicle is called adventitious roots. 2. Performance & security by Cloudflare, Please complete the security check to access. Fasciculated root: ADVERTISEMENTS: Modified adventitious root in which many tubercular roots are present in clusters on the stem, e.g., Asparagus, Dahlia, etc. Sometimes the root performs other functions other than fixation, absorption and conduction so get modified structurally. Roots are of two types : 1 . Plants have different root structures for specific purposes. The plant root system constitutes the major part of the plant body, both in terms of function and bulk. Store Food 2. It may be a modification of tap root, e.g., Mirabilis jalapa (Four O’clock plant), or of adventitious root, e.g., Ipomoea batatas (sweet potato). 1. Roots are feebly developed by Hydrophytes Mesophytes Xerophytes Halophytes Answer: 1 Q3. : Dicots 2 . Sometimes in addition to the normal functions of absorption, conduction and anchorage roots may perform storage of food materials, mechanical support, and vital functions. Poutatoes are underground stem . (adsbygoogle = window.adsbygoogle || []).push({ Storage: Like bulbs and tubers, this is an adaptation for interrupted life. The plants are commonly known as creepers and their subaerial stem modifications meant for vegetative propagation. Storage Roots: In some plants the tap root or the primary root becomes thick and fleshy due to the storage of food materials. Cassava (Manihot esculenta Crantz) is a root crop used as a foodstuff and as a starch source in industry. Please enable Cookies and reload the page. Modification of roots: The normal type of root is modified variously to perform many functions. • It grows into the soil away from sunlight. Adventitious roots are modified for mechanical support, climbing, clinging and performother vital functions. Modified tap root for storage : (i) Fusiform oots /Spindle root - These root are thicker in the middle and tapering on both ends. The main types of modifications are:-Prop roots: The main example of prop root is Banyan tree. enable_page_level_ads: true Roots are modified to perform specialised functions like support, storage of food and respiration. These are called root tubers or tuberous roots. Napiform roots are recorded form Radish Carrot Beet … In terrestrial plants, the root system is the subterranean or underground part of the plant body while the shoot is the aboveground part. The modified roots may be underground or aerial. They are: Root has various functions. Mangrove tree that flourish in tropical tidal zones has a PNEUMATOPHORES (RESPIRATORY ROOTS) SYSTEM. Some store starch (beets and turnips) or water (desert plants). Tap root modifications • Tap root system is … These are the roots arising from the main stem and branches of a tree. d ) Climbing roots or Clinging roots : In certain climbers having the weak stem, roots arise from the node and clasp around the support and thus helps in climbing examples Piper betle , Pathos (Money plant), Campsis etc. Root The part of a plant that attaches it to the ground or to a support, conveying water and nourishment to the rest of the plant. Besides their normal functions in surrounding environment which is known as storage, mechanical support the. Modifications of roots: in some tropical trees like Ficus bengahtensis ( banyan ), root... To prevent getting this page in the ( a ) for storage of food materials c. 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