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ශාක චලන Palitha Karunarathna plants movements
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• ජීවී චලන Palitha Karunarathna • ඉහළින් තියෙන්නේ ජීවී චලන වීඩියෝවේ ලින්ක් එක • ශාක චලන • plants movements, • Tropic movements • Positive geotropism - roots growing towards the ground • Negative geotropism - stem of the plant growing away from the ground • Positive phototropism - stem growing towards the light • Positive hydrotropism - roots moving towards the water source • Positive chemotropism - growth of the pollen along the tube towards the ovule • Positive thigmotropism - coiling of tendrils in Passion fruit with the support • Nyctinastic movements - sleeping or shrinking of leaves of 'Kathurumurunga' / 'Agaththi', tamarind, Mimosa and 'Nelli' / 'Nellikkai' leaves when dark falls • Haptonastic movement - sleeping or shrinking of Mimosa leaves, when the stimulus is touched • Seismonastic movement - exhibiting sleeping movement during a shock • Photonastic movement - blooming of flowers with the sunrise
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