neda Ebrahimi mohamadabadi; Seyed Hassan Kaboli; Farhad Rejali; Aliasghar Zolfaghari
Volume 27, Issue 2 , June 2020, , Pages 347-356
Abstract
The aim of this study was to evaluate the biological and mechanical methods of priming on improving germination characteristics and growth of Haloxylon ammodendron seedlings. Cultivation was performed in two parts of seedling tray and Petri dish in a completely randomized design in the Plant Physiology ...
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The aim of this study was to evaluate the biological and mechanical methods of priming on improving germination characteristics and growth of Haloxylon ammodendron seedlings. Cultivation was performed in two parts of seedling tray and Petri dish in a completely randomized design in the Plant Physiology Laboratory of Semnan University. The biological treatments were Pseudomonas fluorescens, Azotobacter chroococcum, Bacillus megaterium, Azospirillum lipoferum, and Flavobacterium F-40. Ultrasonic device with 24 kHz wavelength application for 5 minutes was considered as mechanical priming treatment. Traits related to seed and seedling germination were measured. Result of analysis of variance in laboratory (Petri dish) showed significant differences for radicle length, ratio of radicle length to plumule length, seedling growth, radicle and plumule fresh weight, and plumule dry weight (p<0.01). In the seedling tray, the effect of treatments was significant in radicle and plumule length, ratio of radicle length to plumule length, radicle and plumule fresh weight, plumule dry weight, leaf freash and dry weight and leaf areas (p<0.01). Based on the results obtained from the comparison of means, ultrasonic treatment caused an increase (33%) in fresh weight of Haloxylon ammodendron radicle compared with the control in the seedling tray test. Azotobacter significantly increased radicle length (19%), ratio of radicle length to plumule length (13%), seedling growth (10%), radicle fresh weight (23%), fresh weight (18%) and dry weight (18%) of plumule as compare to control in petri dish. In addition, Azotobacter increased radicle length (16%), ratio of radicle length to plumule length (60%), leaf fresh weight (26%) and dry weight (68%), leaf area (172%) compare with the control in the seedling tray. Flavobacterium was able to increase the plumule length (21%) of Haloxylon ammodendron compared to the control in the seedling tray experiment. Azospirillum increased plumule fresh (65%) and dry weight (156%) of the plant in the seedling tray compared to the control. In general, according to the present results, the use of Azotobacter, Flavobacterium and Azospirillum bacteria was evaluated as a positive bio-priming treatment and can be used for propagation and production of Haloxylon ammodendron seedlings.
Hosein Arzani; Hamidreza Mirdavodi; Mehdi Farahpour; Mojganolsadat Azimi; Seyed Hasan Kaboli; Abasali Sanadgol; Morteza Akbarzadeh; Valiollah Mozafarian
Volume 12, Issue 4 , August 2019, , Pages 409-436
Ghasemali Dianati Tilaki; Mohsen Nasiri; Soheila Nouri; Seyed Hasan Kaboli
Volume 12, Issue 3 , August 2019, , Pages 335-349
Farhad Fakhri; Seyed Hassan Kaboli; Ali AShraf Jafari; Parviz Bayat
Volume 26, Issue 2 , July 2019, , Pages 388-399
Abstract
Capparis spinosa plays an important role in the ecosystem dynamics of arid and semi-arid regions. The development of cultivation of this plant requires optimal conditions to produce seedlings in simple, practical and inexpensive ways. Low germination percentage is one of the most important ...
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Capparis spinosa plays an important role in the ecosystem dynamics of arid and semi-arid regions. The development of cultivation of this plant requires optimal conditions to produce seedlings in simple, practical and inexpensive ways. Low germination percentage is one of the most important barriers to the mass production of Capparis spinosa. In this study, the best strategies for increasing seed germination were investigated using inexpensive and simple scientific methods. For this purpose, after seed collection from local accessions of different areas in Bushehr province, seed preparation treatments were applied for germination. The treatments included scarification with sandpaper, potassium nitrate, hot water, and concentrated sulfuric acid, compared to the control. Seed germination was done by Petri dish in incubator and culture tray in greenhouse. The results showed that potassium nitrate treatment caused the highest germination percentage in Talheh local accession (86.7%) by culture tray method, which showed more than 41% increase compared to control. The highest germination was obtained to be 68.3% in the scarification with sandpaper in the Konari local accession. The germination rate in potassium nitrate treatment in both tray and Petri dish treatments increased significantly compared to other methods. In addition, application of concentrated sulfuric acid and hot water decreased germination percentage and rate compared to the control. Therefore, potassium nitrate solution was the best treatment for increasing the seed germination of the study species.
Mohammad Javad Nematollahi; Seyed Hasan Kaboli; Mohammadreza Yazdani; Yaser Mohammadi
Volume 26, Issue 1 , June 2019, , Pages 103-116
Abstract
Lack of proper business is one of the factors affecting the exploitation of natural resources and desertification. Low per capita income, low savings and lack of access to credit for poor people, especially for women, make it difficult to eliminate self-employment, productive jobs and income-generating ...
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Lack of proper business is one of the factors affecting the exploitation of natural resources and desertification. Low per capita income, low savings and lack of access to credit for poor people, especially for women, make it difficult to eliminate self-employment, productive jobs and income-generating businesses. In desert and arid areas, under such conditions, livelihoods are the only way to increase the pressure on ecosystems and unskilled exploitation. Microfinance for women without income is one of the possible ways of achieving sustainable economic and social development in these areas. The purpose of this study was to investigate the effects of credit microfinance funds on the empowerment of rural women as the weakest economic community in these areas. The research method was descriptive-analytic. A sample of 188 rural women members of the Southern Khorasan Mortgage Fund was considered. To ensure the validity of the questionnaire, the research committee examined and verified the various dimensions of the questionnaire. The reliability level of the questionnaire was obtained using Cronbach's alpha (0.952). Pearson correlation test, mean comparison, and ANOVA and POST HOC and LSD post hoc tests were used in statistical analysis in SPSS software environment. The results of this study showed that there was a meaningful relationship between the empowerment of rural women and age variables, the number of years of membership in welfare funds, educational level, loan adequacy, loan amount, monthly income and their environmental outlook, and the level of empowerment varied among rural women. The research findings showed that microfinance credits were able to improve the socio-economic status of local communities by attracting women's participation as permanent partners in desert management.