Exogenous  Application of Carbohydrate Sources Positively Regulate Growth and Carbohydrate Accumulation in Spearmint (Mentha Spicata)

Abdul Muqeet Nawaz; Shumaila Ramazan; Abdul Majid; Ubairah; Nasr Ullah Khan; Wasif Rasool

Exogenous Application of Carbohydrate Sources Positively Regulate Growth and Carbohydrate Accumulation in Spearmint (Mentha Spicata)

Authors

Abdul Muqeet Nawaz MSc Hons. student, Department of Plant Breeding & Genetics, Gomal University Dera Ismail Khan, Pakistan
Shumaila Ramazan MSc Hons. student, Institute of Nutrition and Dietetics, Gomal University Dera Ismail Khan, Khyber Pakhtunkhwa, Pakistan,
Abdul Majid PhD student, Department of Agricultural Chemistry & Biochemistry, The University of Agriculture Peshawar, Khyber Pakhtunkhwa, Pakistan
Ubairah PhD student, Directorate General Agricultural Research Peshawar, Khyber Pakhtunkhwa, Pakistan
Nasr Ullah Khan Assistant Professor, Department of Plant Breeding & Genetics, Faculty of Agriculture, Gomal University Dera Ismail Khan, Pakistan
Wasif Rasool MSc Hons student, Department of Plant Breeding & Genetics, Faculty of Agriculture, Gomal University Dera Ismail Khan, Pakistan

Keywords:

Spearmint,, Mentha spicata, , Total chlorophyll content, Sugar, Starch

Abstract

The experiment to study the effects of the exogenous application of carbohydrate sources on the growth and carbohydrate accumulation of spearmint (mentha spicata) was carried out at the Institute of Biological Sciences, Gomal University, D.I. Khan, Pakistan. Spearmint was grown in Completely Randomized Design (CRD) with three biological replicates of the control and treatments. Plants were treated with different carbohydrate additives (sugar and starch) along with a control group (no treatment). The additives were sprayed on the plants daily for 1-2 weeks. Plant length (cm), total carbohydrate accumulation (mg/100mg) and total chlorophyll content were measured using the standard tools. Results showed that treatments and control samples showed significant variations (P < 0.05) for Plant length, total carbohydrate accumulation and total chlorophyll content. The plants of the control group were small in length (mean length: 19.65 cm) while the plants of the sugar-applied samples were larger in length (mean length: 23.95 cm). The plants of the starch-applied samples were the largest among all (mean length: 26.3 cm). Similarly, the plants of the control group possessed the lowest amount of carbohydrates (0.84 mg/100g) while the sugar samples possessed a high amount of carbohydrates (1.66 mg/100g) which was statistically similar to the carbohydrate content of starch samples (1.68 mg/100g). The plants of the control group showed the highest amount of chlorophyll (13.62) while the plants of the starch sample showed less amount of chlorophyll (9.76). The sugar-treated samples showed the lowest amount of chlorophyll (2.32). Based on the above results, it is concluded that the external application of carbohydrates on spearmint significantly affects the total carbohydrate content and growth rate of plants.

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Exogenous Application of Carbohydrate Sources Positively Regulate Growth and Carbohydrate Accumulation in Spearmint (Mentha Spicata)