Pineapple Spike

Picture Description: Pineapple Spike Longan Base, Dongjingou Forest Farm, jimei district, Xiamen

Variety Category:? Fruit tree?

variety name:? Pineapple ear (longan)?

approval number:? Fujian recognizes fruit 272?

variety source:? The agricultural technology extension center of Tongan District, Xiamen (formerly known as Tongan Jingzuo Station) was found in the general survey of longan variety resources, and its origin was Ma Kun Natural Village, Xitang Village, Xinmin Town, Tongan District, Xiamen. ?

characteristics:? This variety is tree-shaped, with large leaves and gray trunk, and the longitudinal stripes of trunk and main branches are obvious and rough. The ear is large, often with leaflets, about 4 cm long and up to 6 cm long; The ear weighs 5 ~ 1 grams, and the heaviest one is 3 grams. The fruit is nearly round (2.8 ~ 3. cm in transverse diameter and 2.6 ~ 2.9 cm in longitudinal diameter), with uniform size and sparse planting density, and the single fruit weighs 12 ~ 14 grams. The skin is yellow-brown, the flesh is milky white, translucent, the surface does not flow juice, it is easy to leave the core, the quality is crisp, the taste is sweet, and it has a special fragrance; Edible rate is 69.2%. From the end of August to the beginning of September, when the fruit is ripe, the peduncle of the core is not easy to swell, and the sugar in the pulp is slow. According to the quality test of Fujian Analysis and Testing Center, the content of soluble total sugar is 16.6%, reducing sugar is 4.24%, soluble solid content is 19.5%, total acid content is .8%, and vitamin C content is 6.6 mg/1g? . According to the investigation in the orchard of the Plant Protection Station of Tongan Agricultural Bureau, the incidence of ghost broom disease of this variety is low. ?

yield performance:? After many years of trial planting in Xiamen, Zhangzhou, Quanzhou and other places, the average plant yield of red-shell rootstock pineapple ear longan is about 45 kg. ?

key points of cultivation: Pay attention to the thinning of flowers and fruits, generally leave about 4 ears per square meter, and the excessively long ear can be appropriately cut short. After the fruit is set, the fruit will be thinned if there are too many fruits. Apply sufficient fertilizer, generally three times a year, that is, apply fertilizer before flowering, re-apply fertilizer for young fruits and fertilizer before and after fruit picking, with the combination of nitrogen, phosphorus and potassium, and add organic fertilizer; Strengthen water pipes, especially during the fruit expansion period and in case of drought after fruit picking. ?

planting area:? Pineapple spike is a medium-mature longan variety, which matures from late August to early September in Tongan, Xiamen. Early fruiting, good high yield, not easy to swell the peduncle after the fruit matures, slow sugar withdrawal from the pulp and good quality. Suitable for planting longan in the whole province. After examination, the variety meets the requirements of Fujian province for the identification of non-main crop varieties and has passed the identification.