Yellowing, which is related to the degradation of chlorophyll and chlorophyll–protein complexes, is a notable phenomenon during leaf senescence.
叶片黄化是叶片衰老过程中很直观的现象，与叶绿素降解和叶绿素-蛋白复合体降解有关。
2
ECO-Mn may prevent and cure the symptom include delicate vein and leaf tine fade, foliage yellowing result in lack of Mn.
本品可预防和治疗因缺锰造成的嫩叶脉间及叶尖褪绿、叶片发黄等症状。
3
The physical properties of cured tobacco leaf was best under low temperature and middle humidity yellowing condition, every index was within the range of the suitable one;