Sugarcane Genus Saccharum Species officinarum Family Gramineae Poaceae

Sugarcane Genus: Saccharum Species: officinarum Family: Gramineae / Poaceae

��������� (cutting, sett, seed cane) ������� fibrous root system scale leaf seed cane sett root ���� cutting root © Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart

Stem © Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart

Stem: node bud groove root primodia growth ring bud 1)����� 1�� ( waxy band root band leaf scar )������� ( © Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart

Stem: internode bud corky crack )��������� ( growth crack )�������� ( node © Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart

corky crack และ growth crack corky crack

Leaf: simple leaf midrib leaf blade dewlap leaf collar leaf sheath auricle © Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart

Leaf leaf blade midrib dewlap ligule auricle leaf sheath outside inside © Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart

Inflorescence: panicle (���� arrow or tassel) rachis flag leaf peduncle © Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart

rachis secondary branch flag leaf peduncle primary branch

Spikelet pedicelled spikelet pedicel sessile spikelet callus hair © Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart

Floret feathery stigma anther style outer glume inner glume callus hair © Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart

ชอดอกและดอก : กลมดอกยอย )spikelet) ประกอบดวย pedicelled spikelet และ sessile spikelet 1 spikelet ม 2 floret -1 floret เปนดอกไมสมบรณเพศ เรยกวา sterile lemma -1 floret เปนดอกสมบรณเพศ : 3 stamen, 1 pistil (feathery stigma, 1 ovule ไมม lemma, palea