MANAGING YIELD AND YIELD ATTRIBUTES OF TRITICALE IN A DEFICIT IRRIGATION SYSTEM WITH METHANOL FOLIAR APPLICATION

Spring simulation conference (SpringSim) Pub Date : 2021-05-25 DOI:10.46909/JOURNALALSE-2021-010

M. Khoshkharam, M. H. Shahrajabian

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Abstract

Triticale is mainly grown for feed grain and biomass production for thatching straw and general human use. A combined analysis with a factorial layout in the two years of 2016 and 2017 with five replications was used to evaluate the yield and yield components of triticale under different methanol concentrations and irrigation managements in Isfahan, Iran. Irrigation treatments consisted of irrigation on the basis of 70%, 80%, 90% and 100% crop water requirements, and methanol treatments as foliar application on the basis of 15% methanol concentration, 30% methanol concentration and control treatment (0%). Methanol application influence on one hundred grain weight was significant. The maximum plant height, number of tillers, Leaf area index (LAI), leaf area duration (LAD), one hundred grain weight, grain yield, biological yield, harvest index and protein content were achieved in irrigation on the basis of 100% crop water requirement. The maximum plant height, number of tillers, LAI, LAD, one hundred grain weight, grain yield, biological yield, harvest index and protein were obtained in 2017. Foliar methanol application with 15% concentration obtained the maximum plant height, LAI, LAD, one hundred grain weight, biological yield, soil plant analytical development (SPAD) and protein percentage. The results of this experiment suggest that methanol can aid in alleviating the effects of drought stress on triticale in the climatic condition of Isfahan. It is concluded that triticale cultivars performed better in 2017, with 15% concentration of methanol application and irrigation on the basis of 100% crop water requirement.

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叶面喷施甲醇亏缺灌溉系统对小黑麦产量和产量特性的管理

小黑麦主要用于饲料谷物和生物质生产，用于茅草和一般人类使用。在2016年和2017年，通过5个重复的因子布局组合分析，评估了伊朗伊斯法罕不同甲醇浓度和灌溉管理下小黑麦的产量和产量组成部分。灌溉处理包括按作物需水量的70%、80%、90%和100%进行灌溉，甲醇处理为按15%、30%甲醇浓度和对照处理(0%)进行叶面施用。甲醇用量对百粒重影响显著。以100%作物需水量灌溉时，最大株高、分蘖数、叶面积指数(LAI)、叶面积持续时间(LAD)、百粒重、籽粒产量、生物产量、收获指数和蛋白质含量均可达到。获得2017年最大株高、分蘖数、LAI、LAD、百粒重、籽粒产量、生物产量、收获指数和蛋白质。叶面喷施15%浓度甲醇获得最大株高、LAI、LAD、百粒重、生物产量、土壤植物分析发育(SPAD)和蛋白质百分比。本实验结果表明，在伊斯法罕气候条件下，甲醇可以帮助缓解干旱胁迫对小黑麦的影响。综上所述，2017年，在作物需水量100%的基础上，施用15%浓度的甲醇和灌溉，小黑麦品种表现较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Spring simulation conference (SpringSim)

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