Zinc deficiency symptoms have an impact on growth and yield of cassava plants. Zinc is a micronutrient essential for plant metabolism. Therefore, plants need a process to maintain the optimal zinc concentration in their ...

Derris rubricosta Boonprajan & Sirich. (Khruea lai leeratiwong) is a new species of the genus Derris Lour. discovered from peninsular Thailand. Results from this thesis revealed several distinctive morphological characteristics ...