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Since the first ultrastructural investigations of sieve tubes in the early 1960s their structure has been a matter of debate because sieve tube structure defines frictional interactions in the tube system the presence of p protein obstructions shown in...Details
Abstractobserving changes in plasma components during the development of sieve-tube elements se in secondary-phloem is very important in the study of their physiological functionwe investigated the development of se in the secondary-phloem of populus del...Details
Sieve elements are one of the least understood cell types in plants translocation velocities and volume flow to supply sinks with photoassimilates greatly depend on the geometry of the microfluidic sieve tube system and especially on the anatomy of sieve...Details
2020-5-8difference between sieve tubes and companion cells definition sieve tubes refer to a series of sieve tube elements placed end to end to form a continuous tube while companion cells refer to a specialized parenchyma cell located in the phloem of...Details
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