Marwa, G., Ahmed, A., Mohamed, R. (2018). Effect of vesicular-arbuscular mycorrhizal fungus and humic acid application on the growth of Parkinsonia aculeata L. seedlings. Alexandria Journal of Agricultural Sciences, 63(2), 119-127. doi: 10.21608/alexja.2019.28572
G. S. Frahat Marwa; A. A. El-Settawy Ahmed; R. A. Shehata Mohamed. "Effect of vesicular-arbuscular mycorrhizal fungus and humic acid application on the growth of Parkinsonia aculeata L. seedlings". Alexandria Journal of Agricultural Sciences, 63, 2, 2018, 119-127. doi: 10.21608/alexja.2019.28572
Marwa, G., Ahmed, A., Mohamed, R. (2018). 'Effect of vesicular-arbuscular mycorrhizal fungus and humic acid application on the growth of Parkinsonia aculeata L. seedlings', Alexandria Journal of Agricultural Sciences, 63(2), pp. 119-127. doi: 10.21608/alexja.2019.28572
Marwa, G., Ahmed, A., Mohamed, R. Effect of vesicular-arbuscular mycorrhizal fungus and humic acid application on the growth of Parkinsonia aculeata L. seedlings. Alexandria Journal of Agricultural Sciences, 2018; 63(2): 119-127. doi: 10.21608/alexja.2019.28572
Effect of vesicular-arbuscular mycorrhizal fungus and humic acid application on the growth of Parkinsonia aculeata L. seedlings
1Forestry and Wood Technology Department, Faculty of Agriculture, Alexandria University.
2Plant Pathology Departments, Faculty of Agriculture, Alexandria University
Receive Date: 10 March 2019,
Accept Date: 10 March 2019
Abstract
The study is aimed at investigating the influence of mycorrhizal fungus and humic acid (HA) on the growth of Parkinsonia aculeata L. seedlings. The experiments were carried out during the period from July, 1st, 2017 to March, 1st 2018. The inoculation with mycorrhiza was applied to the seedlings at age of 2 months. Two types of soils were used in this study as follows: a) a mixture of sand, peat and perlite at the ratio of 1:1:1, by volume, and b) clayey soil. Humic acid (HA) was applied just after seed sowing at the rate of 1g/L (200 ml\ pots). The obtained results showed that there were significant differences between the two soil types tested. However, the seedlings grown in clayey soil displayed the highest shoot height (SH) (47.44cm), the highest shoot dry weight (SDW) (2.40g), the highest total dry weight (TDW) (3.59g) and the highest shoot/ root ratio (SRR) (2.26). The inoculation with VAM has brought about the highest SH (34.66cm), SDW (1.76g), TDW (1.76g), P% (1.81) and N% (2.73) in the leaves. However, the highest TDW was obtained in the inoculated seedlings treated with HA acid and grown on clayey soil (4.498g). The highest P% was obtained in the inoculated seedlings of P. aculeata grown on clayey soil and untreated with HA (3.94 P%). Therefore, it is recommended to inoculate the seedlings with VAM to achieve the highest growth and performance as an important nursery practice in afforestation and windbreaks program and in poor soils as well.
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