Antagonistic interactive effects of exogenous calcium ions and parasitic Cuscuta australis on the morphology and structure of Alternanthera philoxeroides stems Effects of Exogenous Calcium on the Seed Germination of Lespedeza bicolor under Drought Stress Effects of Exogenous Calcium on the Physiological Characters of Cajanus cajan under Drought Stress Effect of exogenous Calcium on seed germination and seedling physiological characteristics of Lycium ruthenium Exogenous Ca2+ Regulation of Pollen Tube Growth and Division of Generative Nucleus in Nicotiana tabacum Effect of exogenous calcium ions on the parasitic effects of Cuscuta australis on the invasive plant Alternanthera philoxeroides The Effect of Exogenous Calcium on Ethylene Production of Apple Fruit The Effect of Exogenous Calcium on Ethylene Production of Apple Fruit 加工番茄果面喷施CaCl2和NaCl对果皮显微结构的影响 加工番茄果面喷施CaCl2和NaCl对果皮显微结构的影响 Effects of exogenous CaCl2 on the functions of flue-cured tobacco seedlings leaf photosystem Ⅱunder drought stress.