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EFFECT OF IRON SULFATE AND BORIC ACID ON BULB/BULBLETS PRODUCTION OF DUTCH IRIS

. Talha Javid, Muhammad Junaid Khan, Salman Khan, Zaryab Shah, Noor Ul Wahab, Mehran Babar, Usama, Umair Khan, Muhammad Ismail, Hammad Daud, Waqar Ullah & Atta Ullah


Abstract

Nutrients availability plays a crucial role in overall growth and development of plants, specifically influencing the production of bulbs and bulblets in bulbous flowering plants. Here, in this experiment we analyze the performance of bulbs and bulblets production for Dutch Iris under application of Iron Sulfate and Boric Acid. Trials were conducted at the field of Directorate of Floriculture, Horticulture Research Institute (HRI) in National Agriculture Research Center Islamabad (NARC). The experiment was laid out according to Randomized Complete Block Design (RCB) with six treatments and four replications. Treatments includes T1 (Control), T2 (1% Boric Acid), T3(2% Boric Acid), T4(1% Iron), T5 (2% Iron sulfate) and T6 (1% Boric Acid + 1%Iron Sulfate). Each treatment replicated four times during the experiment. The variety “White Dutch Iris” was used during the experimental trials. Bulbs for variety “Dutch Iris” of optimum weight (25-30 gm) were harvested on ridges respectively. The bulbs were dried under the shade condition, afterward the bulbs were washed for sterilization in fungicide solution (redomel gold and elite for 20 mints) and subsequently data was collected on for size and diameter of each bulb and bulblets. The results depicted that FeSO4 and H3BO3 solutions had significantly affected various parameters during the study. From these results it was also noted that balance amount of Boric Acid (H3BO3) and Iron Sulfate (FeSO4) has good effect on Bulbs. Maximum number of bulb (4.2) was recorded in treatment T(1%Boric Acid+1% Iron Sulfate) while minimum (3.46) number of bulbs was recorded in treatment T(Control). Moreover, the maximum number of bulbs per plant (6.06) was recorded in treatment T­(1% Iron Sulfate) while minimum number of bulbs per plant (5.2) was recorded in treatment T(1% Boric Acid)The outcome of our study demonstrated that the greater number of bulbs (6.60a±0.20) formed from the plants which were treated with 2 percent H3BO3. The amount of bulblets of the Dutch iris plants was extensively superior T(1 percent H3BO3) at solution. The relationship among 1 percent FeSO4+2 percent FeSO4 and 1 percent H3BO3 is inspiring for the explanation that they had a minute dissimilarity in making of bulblets/plants (5.70c±0.10, 5.23d±0.15, 5.08d±0.25) in that order. While determining the weight of largest bulbs maximum bulb weight(28.6gm) was observed in treatment T(1% Boric Acid) with foliar application of 1 percent Boric Acid. Furthermore, the mean values significantly affected bulb weight with different levels of Boric Acid and Iron Sulfate. It was concluded from the above results discussed that Iron Sulfate(FeSO4) and Boric Acid (H3BO3) have significant effect on the Bulbs of Dutch Iris.

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