Results 111 to 120 of about 114,387 (146)

Effects of Water Stress on Physiological Characteristic and Water Production Efficiency of Tomato

open access: yes, 2008
根据番茄的生长发育特点,分别以50%、60%、75%田间持水量作为苗期、开花坐果期、结果期的土壤水分下限,每个生育期的土壤水分上限设置3个水分水平,研究不同生育期水分亏缺和亏缺程度对番茄生长发育及生理特性的影响。结果表明,不同生育期的水分亏缺对番茄株高、茎粗、叶绿素相对含量、日光合及蒸腾速率变化等均有不同程度的影响,呈现明显的生长与生理补偿效应,水分胁迫处理的日光合速率峰值提前出现,蒸腾速率随水分亏缺程度的增加而减少,这有助于调控番茄无用的蒸腾耗水。通过对番茄不同生育期的灌水量和产量关系的研究得出 ...
冯浩, 吴普特, 郭艳波
core  

Discovery in CRISPR-Cas9 system. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban, 2021
Pan S, Zhang H.
europepmc   +1 more source

Effect of Rhizosphere Ventilation Volume on Plant Growth,Transpiration and Fruit Yield of Potted Tomato

open access: yes, 2011
为确定作物生长的最优根际通气量,采用空气压缩机控制供气,设置了0.4(T1)、0.8(T2)和1.2(T3)3个通气系数,研究根际通气量对盆栽番茄生长、蒸腾量及相关生理指标的影响。结果表明:通气处理可显著提高番茄植株的茎粗、叶面积指数、叶片叶绿素含量及干物质积累,且均在T2处理下达最高值;在试验不同时期,盆栽番茄的累积蒸腾量受通气量影响的表现不同,盆栽番茄的累积蒸腾量最终表现为:T2>T3>T1>CK;通气处理对盆栽番茄的产量和作物水分生产率均有显著影响。在T2处理下的产量 ...
牛文全, 甲宗霞, 张璇
core  

Wisdom in periodic markets and traditionally used edible & medicinal plants in Jingdong intermontane region, Southwest China. [PDF]

open access: yesJ Ethnobiol Ethnomed
Li Z   +14 more
europepmc   +1 more source

斜紋夜蛾與植物病原誘導番茄產生防禦抗性對斜紋夜蛾發育和行為之影響

open access: yes, 2014
In this study were to examine the interactions between plants, plant pathogens and insect herbivores. The tomato (Lycopersicon esculentum) was used as the model plant, and tomato's pathogens (Fusarium oxysporum f. sp. lycopersici, Ralstonia solanacearum,
梁世祥, Liang, Shih-Hsiang
core  

地表覆盖及保水剂与PAM对河套灌区土壤水热盐和番茄生长的影响

open access: yes, 2011
河套灌区灌溉水资源不足、土壤次生盐渍化等严重抑制了该区农业的持续、健康发展。如何合理、节约灌溉水资源,减少盐渍化发生是河套灌区农业发展面临的首要任务。本文针对河套灌区节水灌溉现状,以地表覆盖、保水剂及PAM的施用量和施用方法为研究对象,通过对土壤水分、温度、盐分及番茄生长的监测研究,取得了以下结果: 1.
耿桂俊
core  

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