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Exploration of Distinct Physiological and Biochemical Alterations in Chickpea (Cicer arietinum L.) under Varying Organic Materials, Drought and Proline Application

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Phyton-International Journal of Experimental Botany 2022年第12期91卷 2775-2789页

作者： Uttam Kumer Sarker A.N.Md.Anamul Karim F.M.Jamil Uddin Ahmed Khairul Hasan Najrul Islam Md.Romij Uddin Md.Alamgir Hossain Sabry Hassan Mohamed M.Hassan Mahmoud F.K.Soliman Department of Agronomy Bangladesh Agricultural UniversityMymensingh2202Bangladesh Department of Crop Botany Bangladesh Agricultural UniversityMymensingh2202Bangladesh Department of Biology College of ScienceTaif UniversityTaif21944Saudi Arabia Nature Conservation Sector Egyptian Environmental Affairs Agency(EEAA)Cairo11435Egypt

Chickpea yield is decreasing day by day due to drought stress,which could be an immense risk for future food security in developing *** practices could be the most excellent approach to diminish loss due to this abiotic *** current research work was designed to explore the tolerance reaction of chickpea genotypes against management practices,through morphological and biochemical parameters and evaluate yield performance across drought prone location of *** genotypes BD-6048,BD-6045,BD-6090,BD-6092 and eight management practices,e.g.,severe water stress(SWS),i.e.,without irrigation,10 cm thick mulching with rice straw(MRS),10 cm thick mulching with water hyacinth(MWH),organic amendment through compost(OAC)@3 t ha−1,organic amendment through cow dung@5 t ha−1(OACD),organic amendment through poultry manure@2 t ha−1(OAPM),inorganic amendment through proline application(IAPA)as foliar spray and 16 h hydro-priming(HP).The study revealed that the genotypes BD-6048 showed excellent performance because of the highest chlorophyll,carotenoids,phosphorus,potassium,proline and protein *** highest pod number plant−1 also increased seed yield in *** management practices,IAPA increased relative water content,carotenoids,leaf phosphorus and potassium compared to other management practices and severe water ***,BD-6084 was selected as best genotype because of a significant increase in chlorophyll a and b,carotenoids,and relative water content with *** top performing genotypes can be used for releasing variety and cultivated for sustainable production in drought prone area of Bangladesh.

关键词： hydro-priming grain yield organic amendments photosynthetic activity

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The Seed Water Sorption Isotherm and Antioxidant-Defensive Mechanisms of <i>Hordeum vulgare</i>L. Primed Seeds

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American Journal of Plant Sciences 2018年第12期9卷 2385-2407页

作者： Pinpinatt Junhaeng Pitipong Thobunluepop Wanchai Chanprasert Damrongvudhi Onwimol Sutkhet Nakasathien Elke Pawelzik Department of Agronomy Faculty of Agriculture Kasetsart University Bangkok Thailand Division of Quality of Plant Products Department of Crop Sciences Faculty of Agricultural Sciences Georg-August-Universit&auml t Gö ttingen G&ouml ttingen Germany

The key successful for seed priming technique was the management of seed imbibition process. This study was aimed to indicate the seed moisture sorption characteristics of Hordeum vulgare L. cv. Samerng 2 in relation to the seed priming technique and its effect on the seed qualities. The experiment was designed by Completely Randomized Design (CRD) with four replications. Seed hydro-priming technique was done under 25 degree Celsius, and 40% - 60% RH. Barley seed moisture content was determined every hour after imbibition for 24 hours. Then, primed barley seed qualities were evaluated at 6, 8, 10, 12, 14, and 16 hours of hydrotime. The results revealed that barley seeds were imbibed rapidly from 10.55% to 37.69% seed moisture content during 0 - 9 hours of imbibition. The constantly seed moisture content was continued until 17 hours of imbibition. Radicle was protruded with 42.74% seed moisture content. Seed moisture sorption characteristic equation was Y = 0.0055x3- 0.267x2 + 4.5931x + 13.348. Coefficient of determination (R2) was 0.916. Primed seed germination was not affected by hydrotime. Primed seeds were improved in speed of germination and seedling growth rate. The best primed barley seed vigorous was noted at 14 - 16 hours of hydrotime. In addition, catalase activity (CAT) and superoxide dismutase activity (SOD) were not significantly different for non-primed and 14 - 16 hours primed seeds. However, lipoxygenase activity (LOX) was increased and malondialdehyde (MDA) content was decreased for 14 - 16 hours primed seeds. Subsequently, 14 - 16 hours primed barley seeds can maintain high seed germination and vigor for 8 - 12 months under 5 degree Celsius. Thus, it could be concluded that hydro-priming for 14 - 16 hours enhances barley seed quality by reducing germination time, induced defenses mechanism, and could be stored for 8 - 12 months.

关键词： Seed Moisture Sorption Characteristic Barley Seed hydro-priming Seed Germination Speed of Germination Storability Defenses Mechanism

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