Methods and compositions for improving plant health and protection

The present invention is directed to methods and compositions for increasing the growth characteristics of a plant, increasing the nutrient utilization efficiency of a plant, or improving the ability of a plant to overcome biological or abiotic stress, comprising propagating a material to a plant, plant parts, plant propagation materials, plant growth materials, plant growth materials, plant growth materials, plant growth materials, plant growth materials, plant growth materials, and plant growth materials. Or applying to the soil, hydroponic solution or growth medium in which the target plant is growing a composition comprising a hybrid linker beta-1, 3/beta-1, 4 glucan (MLG). 本发明旨在用于增加植物的生长特征、增加植物的营养物利用效率或者改善植物克服生物或非生物胁迫的能力的方法和组合物，其包括向植物、植物部分、植物繁殖材料，或者向其中正生长有靶植物的土壤、水培溶液或生长介质施加包含混合连接型β-1,3/β-1,4葡聚糖(MLG)的组合物。