黄化现象

通过试验证实了，在高pH胁迫下，丛枝菌根真菌能够提高柑橘对铁的吸收，改善柑橘因缺铁引起的黄化现象。

It was showed that at high pH stress , AM fungi can increase iron absorption of citrus and improve the iron chlorosis phenomenon caused by the iron deficiency .

5腐植酸复合肥能有效地改善银杏叶缘黄化现象。

The etiolation symptom of the ginkgo leaf can be effective meliorated by using HAF .

这两个不育系的不育性稳定，克服了不育源存在的蜜腺退化及雌蕊畸形造成结实不良的生理缺陷，并基本克服了苗期低温黄化现象，具有利用价值。

The two lines characterized by stable sterility and absence of physiological defects , such as degeneration of nectaries , deformation of pistils and seedling yellowing at lowtemperature , are identical to their maintainers in horticultural characters .

根系随锰含量升高呈现先变短粗、再变细长的趋势，叶片出现黄化褐化的现象。

The root became tubby firstly and then slim with the increase of manganese concentration , and the leaves were somewhat etiolated and browned .

嫁接与黄化本：硬枝嫁接苗在生长初期多数植株未表现黄化现象，各品种扦插苗也未出现黄化症状。

Graft and chlorosis : Many seedlings of branch grafting and all seedlings of hard twig cutting did not appear chlorotic disease at the initial growth stage .