Effect of Manure and Foliar Application of Growth Regulators on Lentil (Lens Culinaris) Performance in Semi-Arid Highland Environment

Botanica Lithuanica Pub Date : 2015-02-02 DOI:10.2478/botlit-2014-0013

M. Janmohammadi, Y. Nasiri, Hamed Zandi, Mohsen Kor-Abdali, N. Sabaghnia

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引用次数: 12

Abstract

Abstract Semi-arid environments are characterized by low soil organic matter, lack of sufficient precipitation and occurrence of high temperatures at the terminal of growing season. Effects of foliar application of salicylic acid (SA) and ascorbic acid (AS) during vegetative and reproductive stages at three farmyard manure (FYM) rates (zero (FYM1), 15 (FYM2), 30 (FYM3)t·ha-1) were studied on the growth and yield components of lentil (Lens culinaris Medik.) under supplemental irrigation of semi-arid highland in the north-west of Iran. The results revealed that application of farmyard manure especially at high level could significantly increase the morp-ho-physiological traits such as plant height, first pod height, plant canopy spread, rooting depth, the number of root nodules, ground cover, chlorophyll content and relative water content. Although improving effects of SA and AS on growth parameter were less than FYM, plants treated with SA showed better performance than plants treated with AS. A similar status was observed for grain yield and yield component. So the highest grain yield was recorded at FYM by foliar application of SA. It can be concluded that FYM3 as the most promising manure application rate was adopted to improve both root and total above-ground plant growth. Also this work highlights the importance of exogenous application of growth regulators in lentil cropping systems in semi-arid region with the Mediterranean climate.

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半干旱高原环境下肥料和叶面施用生长调节剂对小扁豆生产性能的影响

半干旱环境以土壤有机质含量低、降水不足、生长季末出现高温为特征。研究了在伊朗西北部半干旱高原补灌条件下，营养和生殖阶段叶面施用水杨酸(SA)和抗坏血酸(AS) 3种农肥(FYM)用量(0 (FYM1)、15 (FYM2)、30 (FYM3)t·ha-1)对小扁豆(Lens culinaris Medik.)生长和产量的影响。结果表明，农家肥特别是高施量处理能显著提高水稻的株高、首荚高、冠层铺展、生根深度、根瘤数、地表覆盖度、叶绿素含量和相对含水量等生理性状。虽然水杨酸和水杨酸对植株生长参数的改善作用不及水杨酸，但水杨酸处理的植株表现优于水杨酸处理。在粮食产量和产量组成部分上也观察到类似的情况。因此，叶面施用SA的产量最高。综上所述，FYM3作为最有希望的施肥量，对提高植株根系和地上部总生长均有促进作用。此外，本工作强调了外源应用生长调节剂在地中海气候半干旱地区小扁豆种植系统中的重要性。

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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Botanica Lithuanica

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