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Abstract
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Light intensity is most strongly related to plant growth attributes and is a significant limiter for plant growth, development, and certain physiological and phytochemical processes [1]. Ziziphora clinopodioides is one of the most commonly consumed medicinal edible plants, belonging to the Lamiaceae family, that widely distributed in Asia and Europe especially Turkey and west of Iran, aerial of the plant is frequently used as wild vegetable or additive in foods to offer aroma and flavor in Iran [2]. Field experiments were conducted to measure the growth and fresh yield of Z. clinopodioides seedlings at three light intensities (full sunlight, 50% sunlight, and 75% of full sunlight) and evaluated the adaptability of seedlings. We found that low light regime led to a decrease in the number of lateral branches in Z. clinopodioides, and the number of lateral branches was maximum (15.83 plant-1) under full sunlight is more favorable for the normal growth and development of Z. clinopodioides. According to the results, the maximum amount of fresh weight (8274.7 kg ha-1) was obtained under 75% of full sunlight, compared to 50% of full intensity was 34% more. Therefore, proper shading conditions should be handled wisely for optimum fresh weight of Z. clinopodioides seedlings.
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