埋种深度及模拟降雨对少花蒺藜草（ <strong><i>Cenchrus pauciflorus</i></strong> ）幼苗生长的影响

埋种深度及模拟降雨对少花蒺藜草（ Cenchrus pauciflorus ）幼苗生长的影响

赵鑫宇, 罗亚勇, 刘瑞香, 旭日, 王鹤松, 梁念来, 陈伊迪

Effects of sand depth and water supply on the emergence and growth of Cenchrus pauciflorus seedlings

Xinyu Zhao, Yayong Luo, Ruixiang Liu, Ri Xu, Hesong Wang, Nianlai Liang, Yidi Chen

表1 不同埋种深度和降水下少花蒺藜幼苗的株高与根长

Table 1 The plant height and root length of Cenchrus pauciflorus seedlings under different burial depths and water supplies

指标	降水处理	埋种深度/cm
指标	降水处理	0	0.5	1	3	5	7	9	13
株高/cm	A	4.82±0.68^bA	5.06±0.57^bA	5.19±0.31^bA	4.47±0.58^bA	1.72±1.57^aA	1.64±2.24^aA	1.52±1.40^AaA	2.23±2.28^aA
	B	5.56±0.39^bcAB	5.85±0.50^bcB	6.04±0.12^cB	4.42±0.62^bA	2.84±0.69^aA	1.69±1.65^aA	1.60±0.71^aA	4.67±2.36^bcB
	C	5.84±0.83^bcAB	6.11±0.40^bcB	6.44±0.26^cC	5.31±0.82^bAB	3.04±0.71^aA	2.61±0.48^aA	2.55±0.19^aA	5.27±1.17^bB
	D	6.43±1.22^bcB	6.86±0.64^bcC	7.38±0.24^cD	6.39±1.76^bcB	5.41±2.52^bB	3.28±1.34^aA	2.72±0.64^aA	5.58±0.90^bcB
根长/cm	A	31.49±4.42^bA	29.80±3.96^bA	27.28±6.79^bA	25.83±4.33^bA	12.01±11.05^aA	9.14±12.53^aA	8.75±8.00^aA	8.56±7.86^aA
	B	35.70±3.48^dAB	32.22±3.22^cdAB	27.99±1.16^bcA	22.42±3.94^bAB	14.98±3.24^aAB	13.90±8.59^aA	12.19±6.03^aA	11.86±5.22^aAB
	C	38.30±6.74^cAB	36.13±5.65^cB	28.14±3.68^bA	27.99±4.15^bB	17.42±3.30^aAB	16.43±3.04^aA	15.76±1.01^aA	15.15±2.55^aAB
	D	42.51±5.60^dB	37.25±0.98^cdB	31.22±3.16^bcA	28.50±2.68^bB	23.84±6.04^bB	18.96±4.76^aA	17.48±6.36^aA	16.35±1.08^aB