The questions on response to stress and compensation growth and then relative character between organs at yield forming stage because of using material of seedling stage or adopting potted plant to research drought injury.
针对早害研究大多利用苗期材料或采用盆栽试验,难以全面反映产量形成期器官的胁迫响应、补偿生长及其相关性等问题,设置池栽与干旱棚相结合的控制性试验,研究花期干旱胁迫条件下土层厚度、基因型、水分处理对玉米花后根系、叶片的影响,以及复水后的补偿生长。
参考来源 - 玉米根、叶器官对花期干旱的响应及其复水补偿生长研究The main results are as follows:1. According to the cluster analysis of drought injury index and relative growth of shoot (RG), the drought resistance of grapevine rootstocks and varieties could be divided into five classes.
结果如下:1.根据旱害指数(DI)和新梢相对生长量(RG)聚类分析得出:不同葡萄砧木及栽培品种的抗旱性存在很大的差异,大致可分为五个等级。
参考来源 - 葡萄砧木和栽培品种抗旱性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Four stone fruits cell membrane injury rate were ascending tendency under drought stress, and resumed after irrigating.
干旱胁迫下四种果树细胞膜伤害率都呈上升趋势,复水后恢复。
The results showed that PHSI, DMSI, WSD, electrolyte transudation ratio and injury ratio under drought treatment could be used to appraise the drought resistance of melon species at seedling stage.
结果表明:鉴定甜瓜品种抗旱性,苗期可应用株高胁迫指数(PHSI)、干物质胁迫指数(DMSI)、叶片水分饱和亏、电解质渗出率、干旱处理伤害率等指标。
Crop output is influenced by many kinds of factors, but drought occupies the first place among a great deal of factors, its extent of injury is equivalent to sum of others.
作物产量受到多种因素的影响,干旱对世界作物产量的影响在诸多因素中占据首位,其危害程度相当于其他灾害之和。
应用推荐