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The present studies report the variation in fruit mass, brood size, pericarp mass, seed mass and seed packaging cost in Sapindus mukorossi collected from Nanjing city, Jiangsu province of Peoples Republic of China. Also included in the studies are seedling morphology and ornamentation of seedling leaves with respect to trichomes and the stomatal types. Brood – size was invariably one. Pericarp mass per fruit averaged to 1.8488 ± 0.0303g (CV: 11.94%). Single seed of healthier lot averaged 0.9923 ± 0.0083g (CV: 15.13%). Some 64.9 % of the seeds had mass between 0.9 and 1.20g per seed. Seed packaging cost per seed (SPC1) amounted to 1.8360 ± 0.02805g and seed packaging cost per g seeds (SPC2) was 1.8730 ± 0.03776g. As per Garwood’s (1996) classification, the seedling was Phanerocotylar- Epigeal-Reserve type with stout hypocotyl and large but unequal cotyledons (rarely tricotyledonous). Vogel (1980) classed Sapindus seedling as Sloanea type. S. mukorossi leaves are trichomatous – denser trichomes in young leaves. There are two types of trichomes - 1) Elongated conical (apex pointed), basally globose, apparently non-glandular trichomes on petiole, and margins of leaf and venous region of leaf surface being denser on the young leaf and 2) Short round-headed capitate trichomes (possibly glandular) on the surface of leaf. Stomata were of anomocytic type – more on sun-exposed dorsal surface of cotyledons. Leaves were hypostomatous and stomatal density on ventral surface amounted to an average of 124.63 ± 3.6044 stomata per mm2 . There were some contiguous stomata also. Anticlinal walls of epidermal cells was wavy. Waviness of the epidermal cells on leaf as per number of crests per cells in anticlinal wall on ventral surface of leaf was not significantly different from dorsal surface. It averaged to 5.41 ± 0.134 (varying from 2 to 9 on ventral surface) and averaged to 5.24 ± 0.134 (varying from 2 to 8 crests per cell) on dorsal surface (t = 0.858, NS). The majority of cells had 5 to 6 crests per cell on both surfaces.
Zulfiqar Ali Sahito, D. Khan, Afsheen Zehra. (2021) VARIATION IN FRUIT SIZE, SEED SIZE, PERICARP MASS AND SEED PACKAGING COST AND SEEDLING MICROMORPHOLOGY OF SAPINDUS MUKOROSSI GAERTN. FROM NANJING CITY, JIANGSU PROVINCE, CHINA, , Volume 18, Issue 3.
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