TY - JOUR AU - Bartosiewicz, Beata AU - Jadczyszyn, Jan PY - 2021/07/16 Y2 - 2024/03/29 TI - The impact of drought stress on the production of spring barley in Poland JF - Polish Journal of Agronomy JA - pja VL - 45 IS - 45 SE - Artykuły DO - 10.26114/pja.iung.465.2021.45.01 UR - https://redakcjapja.iung.pl/index.php/pja/article/view/127 SP - 3-11 AB - <p><span id="page1328R_mcid2" class="markedContent"><span dir="ltr" style="left: 154.056px; top: 471.592px; font-size: 15px; font-family: serif; transform: scaleX(1.00023);">Recently, the incidence of droughts in Poland has </span></span><span id="page1328R_mcid3" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 489.592px; font-size: 15px; font-family: serif; transform: scaleX(0.997963);">clearly increased. This is a result of the observed climate change, </span></span><span id="page1328R_mcid4" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 507.592px; font-size: 15px; font-family: serif; transform: scaleX(0.995558);">which, according to the most likely scenarios, will have a signifi</span></span><span id="page1328R_mcid5" class="markedContent"><span dir="ltr" style="left: 479.257px; top: 507.592px; font-size: 15px; font-family: serif;">-</span></span><span id="page1328R_mcid6" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 525.592px; font-size: 15px; font-family: serif; transform: scaleX(1.00104);">cantly perceptible influence on agricultural production. Amongst </span></span><span id="page1328R_mcid7" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 543.592px; font-size: 15px; font-family: serif; transform: scaleX(1.01721);">the observed changes, particularly noticeable is the conspicuous </span></span><span id="page1328R_mcid8" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 561.592px; font-size: 15px; font-family: serif; transform: scaleX(0.945111);">tendency towards an increase in air temperature, solar radiation </span></span><span id="page1328R_mcid9" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 579.592px; font-size: 15px; font-family: serif; transform: scaleX(0.948571);">and wind speed, along with the decrease in precipitation in</span><span dir="ltr" style="left: 465.948px; top: 579.592px; font-size: 15px; font-family: serif; transform: scaleX(0.914525);">the </span></span><span id="page1328R_mcid10" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 597.592px; font-size: 15px; font-family: serif; transform: scaleX(1.01419);">spring–summer period, i.e., in the period of peak water demand. </span></span><span id="page1328R_mcid11" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 615.592px; font-size: 15px; font-family: serif; transform: scaleX(0.983672);">The short growing season and the shallow root system make </span></span><span id="page1328R_mcid12" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 633.592px; font-size: 15px; font-family: serif; transform: scaleX(0.949638);">spring barley sensitive to drought stress. Both the quantity and </span></span><span id="page1328R_mcid13" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 651.592px; font-size: 15px; font-family: serif; transform: scaleX(1.00636);">quality of the yield of this crop depend on the volume and distri</span></span><span id="page1328R_mcid14" class="markedContent"><span dir="ltr" style="left: 479.257px; top: 651.592px; font-size: 15px; font-family: serif;">-</span></span><span id="page1328R_mcid15" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 669.592px; font-size: 15px; font-family: serif; transform: scaleX(0.939227);">bution of rainfall during the growing season. The water storage </span></span><span id="page1328R_mcid16" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 687.592px; font-size: 15px; font-family: serif; transform: scaleX(1.00124);">capacity of the soil and the plant genotype are equally important. </span></span><span id="page1328R_mcid17" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 705.592px; font-size: 15px; font-family: serif; transform: scaleX(1.04167);">Studies on the influence of drought on the spring barley yields </span></span><span id="page1328R_mcid18" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 723.592px; font-size: 15px; font-family: serif; transform: scaleX(1.03742);">carried out in various scientific centres have demonstrated that </span></span><span id="page1328R_mcid19" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 741.592px; font-size: 15px; font-family: serif; transform: scaleX(0.987449);">the best yields of this cereal are obtained on loamy and silty soils, </span></span><span id="page1328R_mcid20" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 759.592px; font-size: 15px; font-family: serif; transform: scaleX(1.01475);">while the size of the yield is largely limited by water shortage at </span></span><span id="page1328R_mcid21" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 777.592px; font-size: 15px; font-family: serif; transform: scaleX(0.950928);">the end of the vegetative development stage and the beginning </span></span><span id="page1328R_mcid22" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 795.592px; font-size: 15px; font-family: serif; transform: scaleX(1.01711);">of the formation of generative organs. The aim of this work was </span></span><span id="page1328R_mcid23" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 813.592px; font-size: 15px; font-family: serif; transform: scaleX(0.957768);">to summarize the current state of knowledge on the impact of </span></span><span id="page1328R_mcid24" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 831.592px; font-size: 15px; font-family: serif; transform: scaleX(0.989306);">drought stress on the production of spring barley in Poland and to </span></span><span id="page1328R_mcid25" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 849.592px; font-size: 15px; font-family: serif; transform: scaleX(1.01307);">indicate measures compensating for yield losses in drought con</span></span><span id="page1328R_mcid26" class="markedContent"><span dir="ltr" style="left: 479.257px; top: 849.592px; font-size: 15px; font-family: serif;">-</span></span><span id="page1328R_mcid27" class="markedContent"><span dir="ltr" style="left: 94.4882px; top: 867.592px; font-size: 15px; font-family: serif; transform: scaleX(1.00026);">ditions.</span></span></p> ER -