Heat stress impacts on wheat growth and yield were reduced in the Huang-Huai-Hai Plain of China in the past three decades

The experiment was conducted in a greenhouse during 2017 and 2018 growing seasons to evaluate the impact of the shading and various nutrition programs on mitigating heat stress, reducing the use of chemical minerals, improving the reproductive growth and yield of tomato plant. Split-plot within Randomized Complete Block Design (RCBD) with three replications was conducted in this study. Shading factor was allocated in the main plots and the nutrition programs distributed randomly in the subplots. Results indicate that shading resulted in the decrease of daytime temperature by 5.7˚C as an average for both seasons; thus a significant increasing was found in leaf contents of macro nutrients (Nitrogen, Phosphorous, and Potassium), and micro nutrients (Iron, Zinc and Boron), except the Iron content in 2018 growing season. Furthermore, shading improved significantly the reproductive growth and tomato yield. Among the plant nutrition programs, the integrated nutrient management (INM) including the application of organic substances, bio inoculum of AMF and 50% of the recommended dose of chemical fertilizers; lead to the enhancement of nutrients content, reproductive characteristics and plant yield. Generally, combination of both shading and INM showed positive effects on plants nutrient status and persisting balance on tomato flowering growth and fruits yield.

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Recognition Pattern, Functional Mechanism and Application of Chitin and Chitosan Oligosaccharides in Sustainable Agriculture

Current Pharmaceutical Design ◽

10.2174/1381612826666200617165915 ◽

2020 ◽

Vol 26 (29) ◽

pp. 3508-3521 ◽

Cited By ~ 1

Author(s):

Xiaochen Jia ◽

Mijanur R. Rajib ◽

Heng Yin

Keyword(s):

Agricultural Production ◽

Growth And Yield ◽

Biotic Stresses ◽

The Past ◽

Chitosan Oligosaccharides ◽

Recognition Pattern ◽

Functional Mechanism ◽

Chitin And Chitosan ◽

And Storage ◽

Further Development

Background: Application of chitin attracts much attention in the past decades as the second abundant polysaccharides in the world after cellulose. Chitin oligosaccharides (CTOS) and its deacetylated derivative chitosan oligosaccharides (COS) were shown great potentiality in agriculture by enhancing plant resistance to abiotic or biotic stresses, promoting plant growth and yield, improving fruits quality and storage, etc. Those applications have already served huge economic and social benefits for many years. However, the recognition mode and functional mechanism of CTOS and COS on plants have gradually revealed just in recent years. Objective: Recognition pattern and functional mechanism of CTOS and COS in plant together with application status of COS in agricultural production will be well described in this review. By which we wish to promote further development and application of CTOS and COS–related products in the field.

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Foliar silicate application improves the tolerance of celery grown under heat stress conditions

Acta agriculturae Slovenica ◽

10.14720/aas.2021.117.3.1865 ◽

2021 ◽

Vol 117 (3) ◽

pp. 1

Author(s):

Fadl Abdelhamid HASHEM ◽

Rasha M. EL-MORSHEDY ◽

Tarek M. YOUNIS ◽

Mohamed A. A. ABDRABBO

Keyword(s):

Heat Stress ◽

Vegetative Growth ◽

Foliar Application ◽

Climate Change Impacts ◽

Potassium Silicate ◽

Growth And Yield ◽

Apium Graveolens ◽

Control Treatment ◽

F1 Hybrid ◽

And Control

Temperature rise is one of the most challenging climate change impacts that increase the intensity of heat stress. In this investigated the production of celery (Apium graveolens var. rapaceum F1 hybrid)) was tested during the late season. The experiment was carried out during the two successive summer seasons of 2019 and 2020 in Giza Governorate, Egypt. The experimental design is a split-plot, the main plots consist of three low tunnel cover treatments, and three spray treatments with three replicates in sub-main plots. Results showed that the use of white net cover gave the highest vegetative growth and yield followed by the black net. Values of plant yield were 951, 765, and 660 g/plant for white, black and without cover, respectively, in the first season. The foliar application of 3 mM of potassium silicate produced the highest vegetative growth and yield compared to the control treatment. Referring to the effect of spray foliar application of potassium silicate on yield 1.5 mM (S1), 3 mM (S2), and control were 892, 795, and 689 g/plant in the first season, respectively. The best combination that delivered the highest vegetative growth and yield was a cover low tunnel with a white net combined with S2 foliar application.

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Wheat Growth and Yield Contributing Characters under Various Sources and Schedules of Nitrogenous Fertilizer

Journal of Applied Sciences ◽

10.3923/jas.2002.1013.1015 ◽

2002 ◽

Vol 2 (11) ◽

pp. 1013-1015 ◽

Cited By ~ 1

Author(s):

M.R. Wagan . ◽

F.C. Oad . ◽

K.S. Nenwani .

Keyword(s):

Growth And Yield ◽

Wheat Growth ◽

Nitrogenous Fertilizer

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Impact of applying composted biosolids on wheat growth and yield parameters on a calcimagnesic soil in a semi-arid region

AFRICAN JOURNAL OF BIOTECHNOLOGY ◽

10.5897/ajb10.1010 ◽

2012 ◽

Vol 11 (41) ◽

Author(s):

Mohamed Hafidi

Keyword(s):

Arid Region ◽

Growth And Yield ◽

Wheat Growth ◽

Yield Parameters ◽

Semi Arid Region ◽

Semi Arid

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Avian Stress-Related Transcriptome and Selenotranscriptome: Role during Exposure to Heavy Metals and Heat Stress

Antioxidants ◽

10.3390/antiox8070216 ◽

2019 ◽

Vol 8 (7) ◽

pp. 216 ◽

Cited By ~ 3

Author(s):

Isidoros Seremelis ◽

Georgios P. Danezis ◽

Athanasios C. Pappas ◽

Evangelos Zoidis ◽

Kostas Fegeros

Keyword(s):

Heavy Metals ◽

Heat Stress ◽

Antioxidant Status ◽

Molecular Mechanisms ◽

Mrna Levels ◽

Stress Increase ◽

The Past ◽

Antioxidant Proteins ◽

Inflammatory Proteins ◽

Molecular Effects

Selenium, through incorporation into selenoproteins, is one of the key elements of the antioxidant system. Over the past few years there has been increased interest in exploring those molecular mechanisms in chicken, responsible for the development of this protection system. In more detail, Cd/Pb poisoning and heat stress increase oxidation, mRNA levels of inflammatory proteins, and apoptotic proteins. Selenium seems to enhance the antioxidant status and alleviates these effects via upregulation of antioxidant proteins and other molecular effects. In this review, we analyze avian transcriptome key elements with particular emphasis on interactions with heavy metals and on relation to heat stress.

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