THE EFFECT OF SPRAYING WITH SEAWEED EXTRACTS Alga600 AND HUMIC ACID ON THE GROWTH AND FLOWERING OF THE PETUNIA PLANT Petunia hybrid L.
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Abstract
An experimental was conducted in one of nurseries of the American University in Baghdad through Agricultural winter season 2019/2020, to explain the effect of spraying seaweed extracts Alga600 and Humic acid in some the vegetative and flowering growth features for petunia plants, The experiment was carried out using a randomized complete block design , in the two factors:- first: spraying plants with fore levels of seaweed extracts Algaa600 is (0, 0.75, 1.5, 2) gr/L , second factors is sprying with fore levels of Humic acid is (0, 0.5, 1.5, 2) ml/L if was the number of pots in all of treatment within the experimental unit is fore pots, in diameter of 20 cm and high 16 cm.
The experimental shown that spraying the plant with seaweed extracts Alga600 in concentration 1.5 gr/L cause moral increasing in the vegetative and flowering growth features, Where increased (high of plant, number of leafs, number of branches, number of flowers, Flower diameter and The days that flowers wilts on the plant) also experiment shown that spraying with Humic acid in concentration 1.5 ml/L showed a significant difference in the characteristics of vegetative and flowering growth features.
The results also indicated that the interaction effect of the experiment workers has lead to be moral different in vegetative and flowering growth features, was the best result when spraying the plant with concentration 1.5gr/L from seaweed extracts and spraying with Humic acid at concentration 1.5ml/L observed the moral difference on the studying features vegetative and flowering , As it reached (high of plant 14.12cm, number of leafs 102 leafs.plant-1, number of branches 11.06 branches.plant-1, number of flowers 256 flowers.plant-1, flower diameter 10.90cm and The days that flowers wilts on the plant 8.40days).
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Copyright (c) 2020 Mustafa Abdul Samad Saleh Oglu, Rasul Mahdi Saleh (Author)
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