Identification Morfological Characteristic of Lai (Durio kutejensis (Hassk.) Becc.) Endemic to East Kalimantan in Batuah Village, Kutai Kartanegara Regency

Abstract

Lai (Durio kutejensis (Hassk.) Becc) is one of the durian relatives that is quite prospective to be developed into a superior commodity because it has a characteristic aroma that is not too pungent and the color of the fruit tends to be yellow to reddish. This research was conducted in Batuah, Kutai Kartanegara from March to July 2023, in 2 places, namely kilometer 26 and kilometer 30 of Batuah. This study shows that the morphological character shows Lai has a leaf width of 10.79 cm, a leaf length of 29.38 cm, and a petiole length of 2.6 cm. Morphological characters of the stemshow lai hasa diameter of the stem of 34.39 cm, a diameter of the branch of 10.52 cm, and a height of branch-free boundary of 162.79 cm. The morphological character of the flower, lai has 48 pieces of stamens in each bud, pistil length is 7.53 cm, and length is 7.94 cm. Fruit morphological characters, fruit length of 14.31 cm, fruit circumference of 46.73 cm, fruit stalk length of 2.86 cm, The Shape of the fruit is star-shaped, rounded, and square, thorn length of 0.93 cm, skin thickness of the fruit is 0.62 cm, lai fruit skin color in the Orange, Yellow, and Yellow Orange groups, lai fruit flesh color is in between Orange and Yellow Orange groups, flesh thickness is 0.72 cm, seed length 4.18 cm, seed diameter 21.59 mm, the color of the seeds is in the Greyed Orange and Greyed Red color groups.The location of the study influences the morphological character of Lai. Lai morphology at the research site km 30 has better results than at the research site km 25.