Analysis of Greenhouse Experiments

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25 November 2021

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Greenhouse experiments

Validation of the decomposed rice straw through the use of the above talked about isolates was carried out in a greenhouse experiment. Seeds were positioned in sterile autoclaved soils filled in 12 inch x 12 inch pots (each pot having 2.5 kg of autoclaved soil and 500g of decomposed rice straw by using respective Trichoderma strains) and incubated beneath ambient situations (25°C). For management treatment, seeds were sown in the pots having equal quantity of soil as in treated pots and 500g of decomposed rice straw with out utility of Trichoderma pressure.

Germination and early vigour

The germinability of the seeds in greenhouse was examined every day to calculate mean germination time until 8th days of sowing. On eighth day, germination was decided as the ratio of the number of normal seedlings to the whole variety of seeds and expressed as share. On day eight of germination, ten regular seedlings have been selected randomly in each remedy from all replications for measurement of shoot and root lengths. Seedlings used for recording seedling size from every replication had been subsequently weighed after removing the cotyledons and the fresh weight was expressed in gram per 10 seedlings.

These seedlings were subsequently dried in an sizzling air oven at 55±1°C for seventy two h and the dry weight was expressed in mg per 10 seedlings.

  • Vigour index of the coated seeds have been assessed primarily based on germination proportion; seedling length and seedling dry weight.
  • Vigour index was calculated through the use of the formula given by Abdul-Baki and Anderson, (1973)
  • Vigour index -I = Germination (%) ? Seedling size (cm)
  • Vigour index -II = Germination (%) ? Seedling dry weight (mg)

Determination of chlorophyll content

Chlorophyll content of the crops grown with decomposed rice straw by using respective Trichoderma strains in greenhouse was determined by following the procedure of Porra (2002).

Chopped contemporary leaf tissue of 0.1 g was transferred to a capped measuring tube containing 25 ml of 80% acetone and saved inside a fridge at 40C for forty eight h. Measurements had been made using a spectrophotometer (Model- Evolution 300 UV-VIS; Double Beam Spectrophotometer, Thermo Fisher Scientific) at a wavelength of 663 nm and 645 nm to calculate chlorophyll a and chlorophyll b content material, respectively.

Growth promotion

In-vitro experiment was carried out to verify the impact of decomposed rice straw through the use of respective Trichoderma for evaluation of growth promotion by taking two direct seeded rice varieties in Kharif season of 2018 (i.e.”Naveen”). Observations on well being of plant (i.e. shoot length, root size, fresh shoot weight, dry shoot weight, recent root weight, dry root weight) was recorded after forty five days and grain weight, yield/hill and yield/plot had been recorded after harvesting.

Plant stress related enzyme evaluation:

Expression of stress related enzymes (i.e. catalase, peroxidase and superoxide dismutase) produced by the crops grown with decomposed rice straw by using respective Trichoderma strains have been analyzed according to Nounjana et al., (2012).

Statistical Analysis

Statistical evaluation have been carried out by using the Statistical Analysis Software (SAS) of Indian Agricultural Statistics Research Institute (IASRI), New Delhi through the portal Percentage of Seed germination information have been ARCSINE reworked. The other seed quality parameters were analyzed with none transformation. All the info have been subjected to one-way categorised evaluation of variance (ANOVA) and technique of therapies were in contrast primarily based on Tukey’s honestly vital distinction test (HSD) at zero.05 likelihood level utilizing SAS. All the experiments repeated at least 3 times.

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Analysis of Greenhouse Experiments. (25 November 2021). Retrieved from

"Analysis of Greenhouse Experiments" StudyScroll, 25 November 2021,

StudyScroll. (2021). Analysis of Greenhouse Experiments [Online]. Available at: [Accessed: 27 September, 2022]

"Analysis of Greenhouse Experiments" StudyScroll, Nov 25, 2021. Accessed Sep 27, 2022.

"Analysis of Greenhouse Experiments" StudyScroll, Nov 25, 2021.

"Analysis of Greenhouse Experiments" StudyScroll, 25-Nov-2021. [Online]. Available: [Accessed: 27-Sep-2022]

StudyScroll. (2021). Analysis of Greenhouse Experiments. [Online]. Available at: [Accessed: 27-Sep-2022]

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