Fruit growth and development of neck orange at the optimal time for harvesting under the difference period of climate

Abstract

Fruit growth and development of neck orange at the optimal time for harvesting under the difference period of climate was reported. The experiment was conducted at the orchard in the Banna sub-district, Chana district, Songkhla province, Thailand starting from January, 2018 to September, 2019. The effect of the harvesting time around the year was divided to two time of the year, half year and half year later which was advanced significant difference of the harvesting time. The half year could develop as indicated fruit weight (g), peel weight (g), flesh weight (g), diameter of fruit (cm) and fruit circumference (cm) compared to the half year later. The fruit quality of the half year had higher total soluble solid (TSS), titratable acidity (TA), but TSS/TA ratio is lower. The fruit age at 5^th, 6^th, 7^th, 8^th and 9^th months was develop of fruit weight(g), peel weight (g), flesh weight (g), diameter of fruit (cm) and fruit circumference (cm), the result showed that fruit age at 8^th months could develop the highest of fruit weight (g), peel weight (g), flesh weight (g), diameter of fruit (cm) and fruit circumference (cm) and highest of fruit quality as indicated of TSS, TA and TSS/TA ratio