Explain root pressure of plants in brief.
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Root Pressure'. It is the transverse osmotic pressure within the cells of a root system that causes sap to rise through a plant stem to the leaves. Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high either at night or when transpiration is low during the day.
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ʀᴏᴏᴛ ᴘʀᴇꜱꜱᴜʀᴇ, ɪɴ ᴘʟᴀɴᴛꜱ, ғᴏʀᴄᴇ ᴛʜᴀᴛ ʜᴇʟᴘꜱ ᴛᴏ ᴅʀɪᴠᴇ ғʟᴜɪᴅꜱ ᴜᴘᴡᴀʀᴅ ɪɴᴛᴏ ᴛʜᴇ ᴡᴀᴛᴇʀ-ᴄᴏɴᴅᴜᴄᴛɪɴɢ ᴠᴇꜱꜱᴇʟꜱ (xʏʟᴇᴍ). ɪᴛ ɪꜱ ᴘʀɪᴍᴀʀɪʟʏ ɢᴇɴᴇʀᴀᴛᴇᴅ ʙʏ ᴏꜱᴍᴏᴛɪᴄ ᴘʀᴇꜱꜱᴜʀᴇ ɪɴ ᴛʜᴇ ᴄᴇʟʟꜱ ᴏғ ᴛʜᴇ ʀᴏᴏᴛꜱ ᴀɴᴅ ᴄᴀɴ ʙᴇ ᴅᴇᴍᴏɴꜱᴛʀᴀᴛᴇᴅ ʙʏ ᴇxᴜᴅᴀᴛɪᴏɴ ᴏғ ғʟᴜɪᴅ ᴡʜᴇɴ ᴛʜᴇ ꜱᴛᴇᴍ ɪꜱ ᴄᴜᴛ ᴏғғ ᴊᴜꜱᴛ ᴀʙᴏᴠᴇɢʀᴏᴜɴᴅ.
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