Effects of seed inoculation with plant growth promoting rhizobacteria and foliar application with nano-zinc oxide on yield and rate and period of grain filling of triticale

2016 ◽  
Vol 6 (4) ◽  
pp. 141-154 ◽  
Author(s):  
H. Kamari ◽  
R. Seyed Sharifi ◽  
◽  
2017 ◽  
pp. 24-26
Author(s):  
MUHAMMAD ARSHAD ULLAH, IMDAD ALI MAHMOOD, ARSHAD ALI ◽  
QAISER NAWAZ ◽  
TARIQ SULTAN, BADAR-UZ-ZAMAN

A field experiment was carried out at the experimental farm of Soil Salinity Research Institute, Pindi Bhattian during 2016-17 to assess evaluate different Rhizobial inoculation methods on growth and yield of rice (Oryza sativa) cv. Basmati-385 under naturally salt-affected soil (pH= 8.12, ECe= 7.88 dS m-1and SAR=24.96). Seeds of rice were inoculated with Biozote–Max (Plant Growth Promoting Rhizobacteria-PGPR) produced in Soil Biology and Biotechnology Research Programme of Land Resources Research Institute, National Agricultural research Centre (NARC), Islamabad under PARC-Agrotech. Company (Pvt) Ltd. NARC, Islamabad in three ways i.e. rice seeds inoculated for direct seeding and nursery and dipping seedling roots in the solutions of these rhizobial strains comparable of control un-inoculated (control) by each inoculation method. The performances of Rhizobial strain Biozote–Max used as seed and seedling root dipping inoculation were superior to uninoculated control in all the parameters of the rice crop. Among the treatments, seed and seedling root dipping inoculation with Rhizobial strain Biozote–Max performed best in recording plant height, panicle length, number of tillers, 1000-grain weight and grain yield of rice crop. Maximum tillering was observed with all strains under different inoculation methods. Although, the strains performed better as compared to control, however, dipping of nursery roots produced significantly higher yield followed by seed inoculation for direct seeding. Overall, among all the inoculation methods seedling root dipping produced comparable paddy yield. The highest paddy yield (367 g m-2) was harvested with SBCC (M8) seed inoculation which was 13% more than that of un-inoculated (control).


2008 ◽  
Vol 48 (3) ◽  
pp. 347-354 ◽  
Author(s):  
S. Maurya ◽  
Rashmi Singh ◽  
D. Singh ◽  
H. Singh ◽  
U. Singh ◽  
...  

Management of Collar Rot of Chickpea (Cicer Arietinum) byTrichoderma Harzianumand Plant Growth Promoting RhizobacteriaCollar rot (Sclerotium rolfsii) of chickpea (Cicer arietinum) is one of the devastating soil-borne diseases of fungal origin, due to which 10-30% yield loss is recorded annually according to severity of the disease. Management of collar rot of chickpea is not feasible in the absence of effective soil fungicides. However,Trichoderma harzianumand plant growth promoting rhizobacteria (PGPR) have shown high efficacy against this diseasein vitroas well as in the field. We usedT. harzianum(104, 106and 108spore/ml) and two PGPRs (Pseudomonas fluorescensstrain 4 andP. aeruginosa) as foliar spray with the fresh and heat inactivated microorganisms. Foliar application ofT. harzianum(108spore/ml) andP. fluorescensstrain 4 (108cfu/ml) showed maximum efficacy in reducing plant mortality as compared to the control. Foliar application of fresh-and heat-inactivated (121°C for 10 min)P. fluorescensstrain 4, andT. harzianumreduced 15-25% plant mortality butP. aeruginosashowed very little disease control of 10-15%. However, regarding plant growth promotion, it was observed that fresh-and heat-inactivatedP. fluorescensstrain 4 showed maximum efficacy followed by fresh and heat inactivatedP. aeruginosaandT. harzianumas compared to the control. The disease-controlling efficacy was also associated with the increase in phenolic acid synthesis in chickpea plants. The control of chickpea collar rot by biocontrol agents is safe and ecologically sound and appears to be a healthy approach to the disease control.


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