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Articles de revues sur le sujet « Resistance to drought »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 2 février 2022

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1

Hook, James E., and Wayne W. Hanna. "Drought Resistance in Centipedegrass Cultivars." HortScience 29, no. 12 (1994): 1528–31. http://dx.doi.org/10.21273/hortsci.29.12.1528.

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In our study, we sought to determine if an experimental cultivar of centipedegrass [`TC178'; Eremochloa ophiuroides (Munro) Hack.] had superior turf characteristics under extended droughts. Common centipedegrass (CC), vegetatively propagated `TC178' (VG178), and seed-propagated (F3) `TC178' (SD178) were evaluated in a 2-year controlled watering study that compared turf characteristics and drought resistance. The grasses were established under an automated rainfall shelter and were subjected to three drought regimes: watered twice per week (no stress), 2 to 3 weeks between watering (moderate),

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2

Zwack, James A., William R. Graves, and Alden M. Townsend. "Drought Resistance among Freeman Maples." HortScience 32, no. 3 (1997): 508C—508. http://dx.doi.org/10.21273/hortsci.32.3.508c.

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Freeman maples (Acer × freemanii E. Murray) are marketed as stress-resistant alternatives to red maples (Acer rubrum L.), but few data from direct comparisons of these species are available. As a first step in comparing the stress resistance of red maple and Freeman maple, responses to drought were studied in Acer × freemanii `Autumn Fantasy', `Celebration', and `Marmo'. Plants grown from rooted cuttings were treated by withholding irrigation through four drought cycles of increasing severity that were separated by irrigation to container capacity. Drought reduced shoot dry mass, root dry mass

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3

Zhang, Lingnan, Hui Li, Yilin Ran, Keyi Wang, Xiaomin Zeng, and Xiaohong Liu. "Regional and Local Moisture Gradients Drive the Resistance to and Recovery from Drought of Picea crassifolia Kom. in the Qilian Mountains, Northwest China." Forests 10, no. 9 (2019): 817. http://dx.doi.org/10.3390/f10090817.

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Increasing evidence suggests that extreme droughts cause more frequent tree growth reduction. To understand the consequences of these droughts better, this study used tree-ring cores from nine sites to investigate how moisture and altitudinal gradients affect the radial growth of Picea crassifolia Kom., a common species in the Qilian Mountains in northwest China. The total annual precipitation and mean annual temperature in the eastern region were higher than those in the western region of the Qilian Mountains. The trees in the eastern region showed stronger resistance to drought than those in

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4

B, Ganbaatar, and Batbold S. "Drought resistance of spring wheat varieties." Mongolian Journal of Agricultural Sciences 28, no. 03 (2019): 56–60. http://dx.doi.org/10.5564/mjas.v28i03.1301.

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Selection for drought tolerance typically involves evaluating genotypes for either high yield potential or stable performance under drought stress. In order to select drought tolerant varieties of bread wheat an experiment was conducted in a randomized complete block design (RCBD) with two replications during the growing season 2014-2018. Eight drought tolerance indices including stress tolerance index (STI), geometric mean productivity (GMP), mean productivity index (MP), stress susceptibility index (SSI), tolerance index (TOL), yield index (YI), yield stability index (YSI) and drought resist

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5

Lucas-Borja, Manuel Esteban, Arun K. Bose, Enrique Andivia, David Candel-Pérez, Pedro A. Plaza-Álvarez, and Juan C. Linares. "Assessing Tree Drought Resistance and Climate-Growth Relationships under Different Tree Age Classes in a Pinus nigra Arn. ssp. salzmannii Forest." Forests 12, no. 9 (2021): 1161. http://dx.doi.org/10.3390/f12091161.

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The magnitude of drought impact in forest ecosystems depends on which group of trees are more severely affected; greater mortality of smaller trees can modulate the trajectories of succession, while the mortality of larger trees can disproportionately offset the ecosystem’s carbon balance. Several studies have documented a greater vulnerability of large trees to extreme droughts while some other studies reported a greater growth reduction in smaller trees during droughts. We tested these hypotheses by comparing tree basal area increment (BAI), drought resistance (i.e., magnitude of growth decl

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6

Wickens, G. E. "Drought Resistance in Cereals." Journal of Arid Environments 20, no. 1 (1991): 123–24. http://dx.doi.org/10.1016/s0140-1963(18)30782-1.

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7

HANSON, ANDREW D., W. JAMES PEACOCK, LLOYD T. EVANS, CHARLES J. ARNTZEN, and GURDEV S. KHUSH. "Drought resistance in rice." Nature 345, no. 6270 (1990): 26–27. http://dx.doi.org/10.1038/345026b0.

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8

Kirkham, M. B. "Drought resistance in cereals." Field Crops Research 26, no. 1 (1991): 75–77. http://dx.doi.org/10.1016/0378-4290(91)90059-5.

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9

Ergashovich, Kholliyev Askar. "Effects of Microelements on Drought Resistance of Cotton Plant." International Journal of Psychosocial Rehabilitation 24, no. 02 (2020): 643–48. http://dx.doi.org/10.37200/ijpr/v24i2/pr200379.

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10

M. Amin, Aumeed Noori, and Shirwan Ismail Tawfik. "Evaluation of wheat cultivars for drought resistance during germinating." Journal of Zankoy Sulaimani - Part A 2, no. 2 (1999): 12–20. http://dx.doi.org/10.17656/jzs.10036.

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11

Tereshchenko, Ya, та O. Yareshchenko. "Evaluation of drough-resistance of the red and white currаnt varieties (Ribes vulgare L.) by the method of the tissues electric conductivity determination". Horticulture: Interdepartment Subject Scientific Collection, № 75 (2020): 191–96. http://dx.doi.org/10.35205/0558-1125-2020-75-191-196.

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Red and white currants are characterized with the high adaptability to growing conditions such as soils, temperatures in the cold season, insolation. However, the important factor influencing the formation of high quality crop is the water regime. The climate of Ukraine is changing, that causes an uneven distribution of temperatures and precipitations during the growing season. As a result, there are periods of prolonged droughts with temperatures above +35 °С. In such periods, are observed the appearance of the sun-burn spots on the leaves and berries mass loss and as well loss of 50 % of the

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12

Batlle, I., G. Sanz, M. A. Romero, et al. "ALMOND BREEDING FOR DROUGHT RESISTANCE." Acta Horticulturae, no. 470 (August 1998): 72–73. http://dx.doi.org/10.17660/actahortic.1998.470.9.

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13

Tworkoski, Thomas, Gennaro Fazio, and D. Michael Glenn. "Apple rootstock resistance to drought." Scientia Horticulturae 204 (June 2016): 70–78. http://dx.doi.org/10.1016/j.scienta.2016.01.047.

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14

Laffray, Daniel, and Philippe Louguet. "Stomatal responses and drought resistance." Bulletin de la Société Botanique de France. Actualités Botaniques 137, no. 1 (1990): 47–60. http://dx.doi.org/10.1080/01811789.1990.10826986.

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15

LIU, Qiang-De, Yan-Chun JIA, Feng ZHAO, et al. "Drought resistance identification and drought resistance indexes screening of barley resources at mature period." Acta Agronomica Sinica 46, no. 3 (2019): 448–61. http://dx.doi.org/10.3724/sp.j.1006.2020.91031.

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16

Galasheva, Anna, and Nina Krasova. "Study of frost resistance and drought resistance of apple tree varieties of VNIISPK breeding on clonal rootstock 54–118." E3S Web of Conferences 254 (2021): 01005. http://dx.doi.org/10.1051/e3sconf/202125401005.

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Apple tree varieties on clonal rootstock 54–118 were studied in terms of frost resistance and drought resistance. The purpose of the research is to study the resistance to frost and drought of apple tree varieties of VNIISPK breeding on clonal rootstock 54–118. Climatic conditions affect fruit trees and further lead to a sharp decrease in the fruit productivity and commercial qualities. The problem study of resistance to various extreme growing conditions (including frost, low temperatures, drought and high temperatures) is relevant. A variety that has a high resistance under various adverse w

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17

Backhaus, Sabrina, Juergen Kreyling, Kerstin Grant, Carl Beierkuhnlein, Julia Walter, and Anke Jentsch. "Recurrent Mild Drought Events Increase Resistance Toward Extreme Drought Stress." Ecosystems 17, no. 6 (2014): 1068–81. http://dx.doi.org/10.1007/s10021-014-9781-5.

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18

Sun, Zhang, Yao, and Wen. "Hydrological Drought Regimes of the Huai River Basin, China: Probabilistic Behavior, Causes and Implications." Water 11, no. 11 (2019): 2390. http://dx.doi.org/10.3390/w11112390.

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: Hydrological droughts were characterized using the run-length theory and the AIC (Akaike information criterion) techniques were accepted to evaluate the modeling performance of nine probability functions. In addition, the copula functions were used to describe joint probability behaviors of drought duration and drought severity for the major tributaries of the Huai River Basin (HRB) which is located in the transitional zone between humid and semi-humid climates. The results indicated that: (1) the frequency of hydrological droughts in the upper HRB is higher than that in the central HRB, whi

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19

Hahn, Claudia, Andreas Lüscher, Sara Ernst-Hasler, Matthias Suter, and Ansgar Kahmen. "Timing of drought in the growing season and strong legacy effects determine the annual productivity of temperate grasses in a changing climate." Biogeosciences 18, no. 2 (2021): 585–604. http://dx.doi.org/10.5194/bg-18-585-2021.

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Abstract. The frequency of extreme weather events, such as droughts, is assumed to increase and lead to alterations in ecosystem productivity and thus the terrestrial carbon cycle. Although grasslands typically show reduced productivity in response to drought, the effects of drought on grassland productivity have been shown to vary strongly. Here we tested, in a 2-year field experiment, if the resistance and the recovery of grasses to drought varies throughout a growing season and if the timing of the drought influences drought-induced reductions in annual aboveground net primary production (A

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20

ZOU, Jie, Wei HU, Yu-xia LI, Jia-qi HE, Hong-hai ZHU, and Zhi-guo ZHOU. "Screening of drought resistance indices and evaluation of drought resistance in cotton (Gossypium hirsutum L.)." Journal of Integrative Agriculture 19, no. 2 (2020): 495–508. http://dx.doi.org/10.1016/s2095-3119(19)62696-1.

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21

Songsri, P., S. Jogloy, T. Kesmala, et al. "Heritability of Drought Resistance Traits and Correlation of Drought Resistance and Agronomic Traits in Peanut." Crop Science 48, no. 6 (2008): 2245–53. http://dx.doi.org/10.2135/cropsci2008.04.0228.

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22

Le Hesran, Sophie, Thomas Groot, Markus Knapp, et al. "Proximate mechanisms of drought resistance in Phytoseiulus persimilis eggs." Experimental and Applied Acarology 79, no. 3-4 (2019): 279–98. http://dx.doi.org/10.1007/s10493-019-00442-9.

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AbstractUnder drought stress, Phytoseiulus persimilis females are able to lay drought-resistant eggs through an adaptive maternal effect. The mechanisms making these eggs drought resistant still remain to be investigated. For this purpose, we studied the physiological differences between drought-resistant and drought-sensitive eggs. We compared the volume and the surface-area-to-volume ratio (SA:V) of the eggs, their sex ratio, their chemical composition (by gas chromatography-mass spectrometry), their internal and external structure [by scanning electron microscope (SEM) and transmission elec

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23

Liang, Zheng, Xiaoling Su, and Kai Feng. "Drought propagation and construction of a comprehensive drought index based on the Soil and Water Assessment Tool (SWAT) and empirical Kendall distribution function (<i>K</i><sub>C′</sub>): a case study for the Jinta River basin in northwestern China." Natural Hazards and Earth System Sciences 21, no. 4 (2021): 1323–35. http://dx.doi.org/10.5194/nhess-21-1323-2021.

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Abstract. Monitoring drought and mastering the laws of drought propagation are the basis for regional drought prevention and resistance. Multivariate drought indicators considering meteorological, agricultural and hydrological information may fully describe drought conditions. However, series of hydrological variables in cold and arid regions that are too short or missing make it difficult to monitor drought. This paper proposed a method combining Soil and Water Assessment Tool (SWAT) and empirical Kendall distribution function (KC′) for drought monitoring. The SWAT model, based on the princip

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24

Melick, DR. "Relative Drought Resistance of Tristaniopsis laurina and Acmena smithii From Riparian Warm Temperate Rainforest in Victoria." Australian Journal of Botany 38, no. 4 (1990): 361. http://dx.doi.org/10.1071/bt9900361.

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The drought tolerances of the warm temperate rainforest species Tristaniopsis laurina and Acmena smithii were examined. Using pressure bomb techniques the tissue water relations of hardened juvenile and adult material were measured. T. laurina showed relatively little physiological drought tolerance in either the juvenile or adult plants, whereas A. smithii showed an increase in physiological drought tolerance in adult plants. Direct observations of droughted hardened 9-month-old seedlings revealed a relatively high leaf conductance in T. laurina seedlings with wilting becoming generalised aft

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25

Wang, Bin, Pengtao Yu, Yipeng Yu, et al. "Trees at a Moderately Arid Site Were More Sensitive to Long-Term Drought." Forests 12, no. 5 (2021): 579. http://dx.doi.org/10.3390/f12050579.

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Climate change has dramatically altered the frequency and intensity of droughts, thereby altering tree growth. Understanding whether tree growth in semiarid areas in response to long-term drought and the post-drought recovery rate of tree growth vary along moisture gradients is crucial for predicting future forest change. Here, we assessed the spatial variation in both the growth resistance of Qinghai spruce (Picea crassifolia Kom.) to long-term drought and its post-drought recovery using a stand-total sampling strategy along a moisture gradient that covered three sites (with an annual precipi

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26

Blum, Abraham. "Drought resistance - is it really a complex trait?" Functional Plant Biology 38, no. 10 (2011): 753. http://dx.doi.org/10.1071/fp11101.

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Drought resistance is being increasingly labelled as being a ‘complex trait’, especially with the recent expansion of research into its genomics. There is a danger that this label may turn into an axiom that is liable to damage education on the subject as well as research and the delivery of solutions to the farmer. This opinionated review examines whether there is grounds for such an axiom. Drought resistance is labelled as a ‘complex trait’ mainly when viewed by molecular biologists from the gene discovery platform. This platform is capable of expressing hundreds and thousands of drought-res

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27

Kirkham, M. B. "Hydraulic resistance of two sorghums varying in drought resistance." Plant and Soil 105, no. 1 (1988): 19–24. http://dx.doi.org/10.1007/bf02371138.

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Chakraborty, Tamalika, Albert Reif, Andreas Matzarakis, and Somidh Saha. "How Does Radial Growth of Water-Stressed Populations of European Beech (Fagus sylvatica L.) Trees Vary under Multiple Drought Events?" Forests 12, no. 2 (2021): 129. http://dx.doi.org/10.3390/f12020129.

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European beech (Fagus sylvatica L.) trees are becoming vulnerable to drought, with a warming climate. Existing studies disagree on how radial growth varies in European beech in response to droughts. We aimed to find the impact of multiple droughts on beech trees’ annual radial growth at their ecological drought limit created by soil water availability in the forest. Besides, we quantified the influence of competition and canopy openness on the mean basal area growth of beech trees. We carried out this study in five near-natural temperate forests in three localities of Germany and Switzerland.

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Blum, Abraham. "Genomics for drought resistance – getting down to earth." Functional Plant Biology 41, no. 11 (2014): 1191. http://dx.doi.org/10.1071/fp14018.

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A meta-analysis of 520 reports published during the last 20 years on transgenic and mutant plants generated towards drought resistance revealed a total of at least 487 tested transgenic plants involving at least 100 genes claimed to be functional towards drought resistance. During this period, the rate of reported new experimental transgenic model or crop plants for drought resistance has been increasing exponentially. Despite these numbers, qualified sources of information indicate a very limited impact on global dryland agriculture, whereas the genetically modified (GM) market hardly recogni

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Khan, Awais, Valpuri Sovero, and Dorcus Gemenet. "Genome-assisted Breeding For Drought Resistance." Current Genomics 17, no. 4 (2016): 330–42. http://dx.doi.org/10.2174/1389202917999160211101417.

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31

Liu, Shaobao, Han Liu, Jiaojiao Jiao, Jun Yin, Tian Jian Lu, and Feng Xu. "Biomechanics in plant resistance to drought." Acta Mechanica Sinica 36, no. 5 (2020): 1142–57. http://dx.doi.org/10.1007/s10409-020-00980-1.

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32

Kumar, Rishav. "Development of Drought Resistance in Rice." International Journal of Current Microbiology and Applied Sciences 7, no. 05 (2018): 1439–56. http://dx.doi.org/10.20546/ijcmas.2018.705.171.

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33

Farooq, Muhammad, Abdul Wahid, Dong-Jin Lee, Osamu Ito, and Kadambot H. M. Siddique. "Advances in Drought Resistance of Rice." Critical Reviews in Plant Sciences 28, no. 4 (2009): 199–217. http://dx.doi.org/10.1080/07352680902952173.

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34

Lynch, Jonathan P. "Rightsizing root phenotypes for drought resistance." Journal of Experimental Botany 69, no. 13 (2018): 3279–92. http://dx.doi.org/10.1093/jxb/ery048.

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35

Frébort, Ivo, Hana Pospíšilová, and Petr Galuszka. "Engineering barley for increased drought resistance." New Biotechnology 31 (July 2014): S56. http://dx.doi.org/10.1016/j.nbt.2014.05.1740.

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36

Quarrie, Stephen A. "Book Review: Drought Resistance in Cereals." Outlook on Agriculture 19, no. 2 (1990): 132–33. http://dx.doi.org/10.1177/003072709001900217.

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Saint Pierre, Carolina, José L. Crossa, David Bonnett, Kazuko Yamaguchi-Shinozaki, and Matthew P. Reynolds. "Phenotyping transgenic wheat for drought resistance." Journal of Experimental Botany 63, no. 5 (2012): 1799–808. http://dx.doi.org/10.1093/jxb/err385.

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38

Bernier, Jérôme, Gary N. Atlin, Rachid Serraj, Arvind Kumar, and Dean Spaner. "Breeding upland rice for drought resistance." Journal of the Science of Food and Agriculture 88, no. 6 (2008): 927–39. http://dx.doi.org/10.1002/jsfa.3153.

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39

Choi, H. S. "Variation in water potential components among half-sib families of shortleaf pine (Pinusechinata) in response to soil drought." Canadian Journal of Forest Research 22, no. 1 (1992): 111–16. http://dx.doi.org/10.1139/x92-015.

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To assess family differences in response to drought, various water potential components of seedlings from six half-sib families of shortleaf pine (Pinusechinata Mill.) were compared under control (well-watered) and drought conditions. Drought stress resulted in significant changes in water relations parameters of the seedlings between treatments and among families. Although both Montgomery (103) and Pope (322) families had a superior capacity to adjust osmotically to both treatments, Montgomery (103) family exhibited greater potential to adapt to droughty environments through having the lowest

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40

Casas-Gómez, Pablo, Raúl Sánchez-Salguero, Víctor Lechuga, et al. "Adaptive Management in Relict Mediterranean Forests. Thinning Enhances Long-Term Growth but Short-Term Resilience to Drought in Abies pinsapo." Environmental Sciences Proceedings 3, no. 1 (2020): 24. http://dx.doi.org/10.3390/iecf2020-07880.

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Current climate change in the Mediterranean basin is associated to increasing frequency and intensity of droughts. This climate dryness entails a serious impact on drought-sensitive forests, several of them considered as hot spots of biodiversity. Adaptive management, as experimental thinning for stand structural diversity enhancement, may increase tree-level resources availability. However, the long-term stand-level effectiveness of this approach at sustaining forest ecosystem functioning remains uncertain. Here, we attempt to place experimental thinning in a climate change adaptation context

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41

Zhang, He Xi, Dao Cai Chi, Yong Tao Wang, and Liu Liu. "Analysis of Multi-Year Drought in Guizhou Province and Research of Drought Resistance Measures." Applied Mechanics and Materials 405-408 (September 2013): 2077–83. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.2077.

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This paper illustrated the drought resistance strategy, analyzed the profile, characteristics, development tendency and the cause of the drought in Guizhou Province. And the paper analyzed the major measures and achievements of the drought resistance emphatically to provide a reference basis for Guizhou drought resistance.

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Kosová, K., P. Vítámvás, M. O. Urban, J. Kholová, and I. T. Prášil. "Breeding for enhanced drought resistance in barley and wheat – drought-associated traits, genetic resources and their potential utilization in breeding programmes." Czech Journal of Genetics and Plant Breeding 50, No. 4 (2014): 247–61. http://dx.doi.org/10.17221/118/2014-cjgpb.

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Drought represents the most devastating abiotic stress factor worldwide. It severely limits plant growth and development as well as agricultural characteristics including the final yield. The aim of this review is to summarise recent results of the breeding of barley (Hordeum vulgare) and wheat (Triticum aestivum; T. durum) for improved resistance to drought stress. First, drought-associated terms and definitions are outlined and plant strategies to cope with drought are presented. A brief overview of plant physiological mechanisms involved in water uptake and release is provided. Photosynthes

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43

Zhang, Miao, and Xing Yuan. "Rapid reduction in ecosystem productivity caused by flash droughts based on decade-long FLUXNET observations." Hydrology and Earth System Sciences 24, no. 11 (2020): 5579–93. http://dx.doi.org/10.5194/hess-24-5579-2020.

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Abstract. A flash drought is characterized by its rapid onset and arouses widespread concerns due to its devastating impacts on the environment and society without sufficient early warnings. The increasing frequency of soil moisture flash droughts in a warming climate highlights the importance of understanding its impact on terrestrial ecosystems. Previous studies investigated the vegetation dynamics during several extreme cases of flash drought, but there is no quantitative assessment on how fast the carbon fluxes respond to flash droughts based on decade-long records with different climates

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Marsita, Rahmi, and Estri Laras Arumingtyas. "Drought Resistance Variation of Mutant of Kenaf KR11 Based on Prolin Accumulation." Natural-B 3, no. 3 (2014): 266–70. http://dx.doi.org/10.21776/ub.natural-b.2014.002.03.10.

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45

Han, Qingquan, Qingxue Guo, Helena Korpelainen, Ülo Niinemets, and Chunyang Li. "Rootstock determines the drought resistance of poplar grafting combinations." Tree Physiology 39, no. 11 (2019): 1855–66. http://dx.doi.org/10.1093/treephys/tpz102.

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Abstract To increase yield and/or enhance resistance to diseases, grafting is often applied in agriculture and horticulture. Interspecific grafting could possibly be used in forestry as well to improve drought resistance, but our understanding of how the rootstock of a more drought-resistant species can affect the grafted plant is very limited. Reciprocal grafts of two poplar species, Populus cathayana Rehder (less drought-resistant, C) and Populus deltoides Bart. ex Marsh (more drought-resistant, D) were generated. Four grafting combinations (scion/rootstock: C/C, C/D, D/D and D/C) were subje

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46

Avksentieva, O. O. "Screening cultivars of soybean, contrasting for rapidity maturity, of the degree for heat- and drought resistance, in vivo and in vitro." Faktori eksperimental'noi evolucii organizmiv 27 (September 1, 2020): 208–13. http://dx.doi.org/10.7124/feeo.v27.1328.

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Aim. Screening for complex heat and drought resistance in varieties of soybeans that differ for maturity in growing experiences and in vitro culture. Methods. To create the conditions of "artificial drought" experimental seedlings and calluses with the addition of 10% mannitol solution were cultured, heat resistance analysis out under the influence of temperature shock (60 ° C) of different duration (10-30 minutes) was carried. Drought and heat resistance by rapid analysis of seed germination and growth inhibition were determined, and in vitro by growth index (RI) and protein coagulation tempe

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47

Amineva, E. Yu, A. P. Gureev, T. M. Tabatskaya, O. S. Mashkina, and V. N. Popov. "Genotypic variability of Pinus sylvestris L. on the drought-resistance attribute." Vavilov Journal of Genetics and Breeding 23, no. 1 (2019): 15–23. http://dx.doi.org/10.18699/vj19.456.

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There was an increase and intensification of droughts in connection with global climate change in recent decades. Not all plant organisms are able to adapt to changing environmental conditions. Therefore, the question of stressresistant (drought-resistant) genotypes selection for breeding is quite urgent. This problem also concerns forest tree plants, including Scots pine, which is one of the main foresters in the Voronezh region. The results of vegetative and generative sphere analysis of individual Scotch pine trees with the help of biotechnology, molecular-genetic and cytogenetic method are

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Zhao, Jingxue, Tongren Xu, Jingfeng Xiao, et al. "Responses of Water Use Efficiency to Drought in Southwest China." Remote Sensing 12, no. 1 (2020): 199. http://dx.doi.org/10.3390/rs12010199.

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Résumé :

Water use efficiency (WUE) measures the tradeoff between carbon uptake and water consumption in terrestrial ecosystems. It remains unclear how the responses of WUE to drought vary with drought severity. We assessed the spatio-temporal variations of ecosystem WUE and its responses to drought for terrestrial ecosystems in Southwest China over the period 2000–2017. The annual WUE values varied with vegetation type in the region: Forests (3.25 gC kg−1H2O) > shrublands (2.00 gC kg−1H2O) > croplands (1.76 gC kg−1H2O) > grasslands (1.04 gC kg−1H2O). During the period 2000–2017, frequent drou

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Kumar, A., D. P. Singh, and P. Singh. "Genotypic variation in the responses of Brassica species to water deficit." Journal of Agricultural Science 109, no. 3 (1987): 615–18. http://dx.doi.org/10.1017/s0021859600081880.

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The problem of drought presents a challenge to plant breeders as breeding is a major method by which yield improvement can be obtained in drought-prone areas. The plant responses to drought and the nature of drought resistance have received the attention of several workers (Kozlowski, 1968; Kramer, 1969; Levitt, 1972). There are reports in the literature which show that yield and drought resistance are controlled by separate genetic entities. Breeding thus requires identification of definite drought resistance attributes and their transfer to high-yielding and agronomically acceptable cultivar

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Dong, Tiantian, Lijuan Xi, Bo Xiong, et al. "Drought resistance in Harumi tangor seedlings grafted onto different rootstocks." Functional Plant Biology 48, no. 5 (2021): 529. http://dx.doi.org/10.1071/fp20242.

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In this study we analysed the influence of drought stress on the leaf morphological characteristics, osmotic adjustment substances, antioxidant enzymes, and resistance-related photosynthetic physiological indices of Harumi tangor plants grafted onto Poncirus trifoliata (Pt), Citrus junos (Cj), and Citrus tangerine (Ct). The leaf relative water content and leaf area of the three rootstocks decreased with increasing drought stress, with the smallest decrease in Cj. The relative conductivity and malondialdehyde content increased with increasing drought stress. Proline, total soluble sugar, solubl

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