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Contractile Root презентация
Содержание
- 1. Contractile Root
- 2. Adventitious or lateral roots with a pronounced
- 3. http://biouroki.ru http://biouroki.ru
- 4. This modification of roots, as the pull
- 5. Сontractile roots due to the special structure
- 6. Externally contractile roots are thick, with transverse striations. http://biouroki.ru
- 7. In angiosperm often contractile roots that provide
- 8. Thanks to an underground position of the
- 9. In adverse climatic conditions, for example in
- 11. Thank you for your attention
Adventitious or lateral roots with a pronounced capacity for longitudinal contraction, resulting in shoots being drawn into the soil. Adventitious or lateral roots with a pronounced capacity for longitudinal contraction,
Слайд 1CONTRACTILE ROOT
WROTE: ZHUNUSPAEVA A.E. BM13
CHECKED: KOROGOD N.P.
PAVLODAR STATE PEDAGOGICAL INSTITUTE
Слайд 2Adventitious or lateral roots with a pronounced capacity for longitudinal contraction,
resulting in shoots being drawn into the soil.
Adventitious or lateral roots with a pronounced capacity for longitudinal contraction, resulting in shoots being drawn into the soil.
Слайд 4This modification of roots, as the pull roots, typical of many
bows, wooded area, saffron (Crocus), many orchids, water plants, etc
Слайд 5Сontractile roots due to the special structure able to be shortened
by 10-70%, and drag the bulbs, corms, rhizomes, etc under the ground, which prevents plants from freezing in the winter.
Слайд 7In angiosperm often contractile roots that provide a snug fit to
the ground sockets (dandelion, plantain, etc.).
Слайд 8Thanks to an underground position of the root collar and the
vertical rhizome, provided a deepening of the tubers in the soil. Ie contractile roots allow the shoots to choose the most favorable depth in the soil.
Слайд 9In adverse climatic conditions, for example in the Arctic, involving the
roots to help survive the difficult winter flower-bud and buds resume.
