Effects of drought-rehydration on photosynthetic capacity, chlorophyll fluorescence, and microstructure of Cyclobalanopsis glauca seedling leaves in Karst Area of Northwest Guangxi [PDF]
[Objective] To explore the mechanism of Cyclobalanopsis glauca seedlings adapting to the drought-rehydration environment in Karst area, China, using the seedlings of C.
CEN Ying +5 more
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Functional Ecology, Volume 38, Issue 12, Page 2709-2719, December 2024.Read the free Plain Language Summary for this article on the Journal blog. Abstract Resilience to drought represents an important focus for trees during climate change, with the aim of predicting the resistance and recovery of species worldwide. Previous studies mainly linked tree growth resilience to plant functional traits that are related to ...
Xijin Zhang +7 more
wiley +1 more source
Effects of drought and copper stress on the physiological characteristics and ADH gene family in Zaoheibao grape seedlings [PDF]
[Objective] Grape (Vitis vinifera L.) is an important economic crop worldwide. Drought and heavy metal stress are major constraints on the sustainable development of the grape industry. Various strategies, such as applying exogenous substances, promoting
HAN Kai, JI Wei, LIU Chang, WANG Haonan
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Effects of Ecological Restoration Measures of Fish-scale Pit on Soil and Water Conservation in Bashang Grassland [PDF]
, 2023 [Objective] The effects of fish-scale pits at different locations on soil and water conservation were studied in order to define underlying layout principles for fish-scale pits, and to provide information for fish-scale pit site selection and effect ...
Huang Lingbing +7 more
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Shuitu Baochi Xuebao, 2011 以水土保持先锋植物类芦为研究材料,通过4个不同梯度干旱胁迫的盆栽试验,测定类芦的光合色素、叶绿素荧光参数和光合参数,研究干旱胁迫对类芦的光合特性的影响。结果表明:中度、轻度干旱胁迫类芦叶绿素含量增加,叶绿素a/b比值下降,干旱胁迫下叶绿素荧光参数F0、Fm、Fv提高,Fv/Fm、Fv/F0下降。类芦叶片的胞间CO2浓度随干旱程度加重而逐渐增加,日变化表现为上午缓慢上升,下午快速上升,到16:00达到最高。净光合速率、气孔导度、蒸腾速率日变化均表现为单峰型,为先升后降,12:00达到高峰 ...
蔡丽平 +4 more
doaj
Responses of potato root architecture and physiological indexes to drought stress at different growth stages [PDF]
[Objective] The present study aimed to elucidate the response of the potato root system to drought stress at different developmental stages. Additionally, the study sought to identify the underlying mechanisms that confer drought resistance in potato ...
CHEN Yanyun +4 more
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The effects of drought stress on the stoichiometric characteristics of C, N, and P in Pinus yunnanensis seedlings [PDF]
[Objective] This study aims to investigate the effects of drought stress on the distribution of carbon (C), nitrogen (N), and phosphorus (P) elements and stoichiometry in organs of Pinus yunnanensis seedlings, and to provide a theoretical basis for ...
CHEN Gang +5 more
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Shuitu Baochi Xuebao, 2021 研究苗期干旱胁迫下施氮对东北春玉米氮素吸收利用和土壤生物化学性质的影响，为区域玉米养分管理与逆境调控提供依据。研究设置水、氮二因素盆栽试验，土壤水分包括3个水平：田间持水量的30%（W0），50%（W1）和70%（W2）；施氮量包括2个水平：不施氮（N0）和施氮0.24 g/kg（N1），测定不同水氮条件下玉米苗期的植株干重和氮素吸收、根际和非根际土壤的化学性质、微生物量碳、氮（MBC、MBN）及土壤酶活性。结果表明：干旱胁迫显著降低玉米苗期植株干重和氮素吸收量，其中W0条件降幅最大（分别为51.1 ...
朱琳 +7 more
doaj
Metabolic mechanism of Astragalus membranaceus (Fisch.) Bge. var. mongholicus (Bge.) Hsiao in response to repeated drought stress [PDF]
[Objective] Astragalus membranaceus (Fisch.) Bge. var. mongholicus (Bge.) Hsiao is an important primitive plant of astragali radix, and its main planting areas are arid and semi-arid areas in Inner Mongolia, Shanxi, Gansu, and other places.
CAO Shunan +4 more
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Shuitu Baochi Xuebao, 2006 采用7种水分处理：清水适宜灌（FPI）、混合适宜灌（RFPI）、再生水充分灌（RFI）、再生水适宜灌（RPI）、再生水轻微干旱胁迫（RLWS）、再生水中度干旱胁迫（RMWS）、再生水重度干旱胁迫（RSWS），相应灌溉下限分别为田间持水量70％，70％，80％，70％．60％，50％，40％，灌水定额相同。研究结果表明：与清水灌溉相比，短期内采用再生水灌溉不会使大量氮紊残留于土壤，不会快速提高土壤供磷水平，土壤速效钾含量增加不显著，土壤阳离子含量增加也不显著。再生水灌溉不同水分处理下 ...
彭致功, 杨培岭, 王勇, 任树梅
doaj +2 more sources