PJB-2017-693
Quantitative and Qualitative Characteristics of Vetiver (Chrysopogon zizanioides L.) under Different Treatments of Compost and Zeolite
ِِDavoud Akhzari
Abstract
Vetiver Grass (Chrysopogon zizanioides L.) is a multi-purpose plant which because of having deep roots plays an important role in soil conservation. Since the soils of most regions of Iran are poor in organic materials, It is necessary to apply proper soil amendments to optimize the plant growth. A completely randomized factorial experiment with three replications was done in Malayer University’s research greenhouse in order to evaluate the combined effect of zeolite and compost on some quantitative (i.e. shoot dry weight and root dry weight) and qualitative (i.e. chlorophyll a, b, carotenoids, relative water content and proline) characteristics of Vetiver. Compost was added at four levels of zero (control), 20, 40, and 60 volume percent and zeolite was added at five levels of zero (control), 10, 20, 30 and 40 g to five kg soil of pots containing scions. The obtained results showed that the applied treatments had a significant effect on all the measured traits. The concentration of chlorophyll a, b and carotenoids under the effect of different levels of compost and zeolite were significantly (p≤ 0.05). increased. Although the leaf relative water content (RWC) was increased in some of the treatments (Z2C3, Z2C4, Z4C1 and Z5C3); but in generally, RWC reduced significantly compared to the control treatment. In addition, the shoot and root dry weights increased significantly under the effect of all levels of fertilizers. It seems that applying fertilizer levels has had a positive effect on the quantitative and qualitative performance of Vetiver.
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