ovoshchiОвощи РоссииVegetable crops of Russia2072-91462618-7132Федеральный научный центр овощеводства10.18619/2072-9146-2023-6-108-116ovoshchi-2288Research ArticleОБЩЕЕ ЗЕМЛЕДЕЛИЕ И РАСТЕНИЕВОДСТВОAGRICULTURE AND PLANT PRODUCTIONИзучение влияния регуляторов роста и орошения на ремобилизацию и налив зерна мягкой пшеницы в условиях тропического климатаThe effect of growth regulators and irrigation on remobilization and grain filling of bread wheat in tropical climatic conditionsМахериН.MaheriN.

Нилофар Махери – Ph.D. студент кафедры агрономии

Golestan Boulevard, Farhang Shahr Street, Postal code 61349-37333, PO Box 1915, Ahvaz

Nilofar Maheri – Ph.D. student in the Department of Agronomy

Golestan Boulevard, Farhang Shahr Street, Postal code 61349-37333, PO Box 1915, Ahvaz

СакинежадТ.SakinejadT.

Тайеб Сакинежад – Ph.D., (физиология сельскохозяйственных культур), доцент кафедры агрономии

Golestan Boulevard, Farhang Shahr Street, Postal code 61349-37333, PO Box 1915, Ahvaz

Tayyeb Sakinejad – Ph.D. of Crop Physiology and Assistant Professor in the Department of Agronomy

Golestan Boulevard, Farhang Shahr Street, Postal code 61349-37333, PO Box 1915, Ahvaz

МодхейА.ModhejA.

Адель Модхей – Ph.D., (агрономия), доцент кафедры агрономии

University Boulevard, postal code 6451761117, Shushtar

Adel Modhej – Ph.D. of Agronomy and Associate Professor in the Department of Agronomy

University Boulevard, postal code 6451761117, Shushtar

ДаднияМ.DadniaM.

Мохаммад Реза Дадния – Ph.D., (физиология сельскохозяйственных культур), доцент кафедры агрономии

Golestan Boulevard, Farhang Shahr Street, Postal code 61349-37333, PO Box 1915, Ahvaz

Mohammad Reza Dadnia  – Ph.D. of Crop Physiology and Assistant Professor in the Department of Agronomy

Golestan Boulevard, Farhang Shahr Street, Postal code 61349-37333, PO Box 1915, Ahvaz

МарашиС.MarashiS.

Сейед Кейван Мараши – Ph.D., (агрономия и селекция растений), доцент кафедры агрономии

University Boulevard, postal code 6451761117, Shushtar

Seyed Keivan Marashi – Ph.D. of Agronomy and Plant Breeding and Assistant Professor in the Department of Agronomy

University Boulevard, postal code 6451761117, Shushtar

Исламский университет Азад, филиал в АхвазеИранIslamic Azad University, Ahvaz BranchIslamic Republic of IranИсламский университет Азад, филиал ШуштараИранIslamic Azad University, Shoushtar BranchIslamic Republic of Iran20230412202306108116Copyright © Махери Н., Сакинежад Т., Модхей А., Дадния М., Мараши С., 20232023Махери Н., Сакинежад Т., Модхей А., Дадния М., Мараши С.Maheri N., Sakinejad T., Modhej A., Dadnia M., Marashi S.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.vegetables.su/jour/article/view/2288

Чтобы изучить скорость ремобилизации пшеницы, под влиянием регуляторов роста, в Южном Иране в 2017-2019 годах был проведён полевой эксперимент с разделением и тройным циклом в полностью рандомизированных кварталах. Основные участки – два режима орошения (регулярное орошение и перерыв в орошении на стадии созревания зерна), два сорта пшеницы (Chamran 2 и Durum Karkheh) находившиеся на дополнительных участках, и четыре варианта с регуляторами роста (контроль (отсутствие регулятора роста), салициловая кислота, жасмоновая кислота и цитокинин), помещённые в подподраздельные участки. Результаты показали значительное влияние трёх факторов на урожайность зерна. Самая высокая урожайность зерна (4803 кг/га) отмечена у сорта Chamran 2 при полном орошении и с обработкой салициловой кислотой. При том, что урожайность зерна сорта Durum Karkheh снизилась на 15,5%. при прекращении орошения на стадии пополнения зерна и отсутствия применения регуляторов роста обработка салициловой кислотой позволила ослабить негативное влияние давления засухи на урожайность зерна. Наибольший фотосинтез и его влияние наблюдались при полном орошении. Более того, режим регулярного орошения и регуляторы роста оказали значительное влияние на пролин, фермент каталазу и устьичную проводимость. В итоге результаты показали, что использование салициловой кислоты на сорте Chamran 2 позволяет увеличить рост и урожайность зерна и снизить потери под влиянием стрессовых условий.

To study the remobilization rate affected by growth regulators in wheat a field experiment was carried out in the south of Iran over 2017-2019 with a split-split plot design and three iterations in completely randomized blocks. The main plots were two irrigation regimes (full irrigation and irrigation interruption at the grain-filling stage), two wheat cultivars (Chamran 2 and Durum Karkheh cv.s) were as sub plots, and four growth regulators (control (no growth regulator), salicylic acid, jasmonic acid, and cytokinin) placed in sub-sub plots. Results revealed the significant impact of the triple interaction on grain yield. The highest grain yield (4803 kg/Ha) was observed for Chamran 2 cv. treated with complete irrigation and salicylic acid. Although grain yield declined by 15.5% in the Karkheh cv. with irrigation interruption at the grain-filling stage and non-administration of growth regulators, treatment with salicylic acid managed to attenuate the adverse impact of drought stress in grain yield. The highest current photosynthesis and its contribution were observed in cultivars treated with complete irrigation. Moreover, irrigation regimen and growth regulators each had significant impacts on proline, catalase enzyme, and stomatal conductance. Overall, results suggested that using salicylic acid in Chamran 2 cv. would be advisable to increase growth and grain yield and reduce decline under stress.

пшеницакаталазацитокининпролинсалициловая кислотаWheatcatalasecytokininprolinesalicylic acidЭто исследование является частью докторской диссертации, которая была завершена с помощью технического и вспомогательного персонала Департамента сельского хозяйства Исламского университета Азад в Ахвазе, Иран, и поэтому все они заслуживают благодарности. Также выражается благодарность всем сельскохозяйственным, лабораторным и библиотечным подразделениям, оказавшим помощь при выполнении диссертационной работы.This study is a part of a doctoral thesis that was completed with the help of technical and support staff in the Department of Agriculture, Islamic Azad University of Ahvaz, Iran, and therefore they all deserve to be thanked. Also, it is grateful to all agricultural, laboratory and library divisions who helped during the implementation of the thesis.ReferencesAgarwal S.K.R., Sairam G.C., Srivastava T., Aruna C.R., Meena R. 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The authors declare that there are no conflicts of interest present.