Table A2c.

Comparison of C. didymus growth response with filtrates of declining S. costatum and bacterial‐lysed S. costatum obtained at three time points based on in vivo chlorophyll a fluorescence values (RFU)

Comparisons (S. costatum vs. S. costatum+K.algicida)	Size	Mean (RFU)	Std Dev	t	df	p
Day0 filtrate: 0.2 µm (lysed) versus 5 µm (lysed)	3;3	104;52	8.2;14.6	5.366	4	0.006**
Day5 filtrate: 0.2 µm (lysed) versus 5 µm (lysed)	3;3	81;15	4.1;6.4	15.008	4	<0.001***
Day10 filtrate: 0.2 µm (lysed) versus 5 µm (lysed)	3;3	84;14	0.9;1.7	62.645	4	<0.001***
Day0 filtrate: 0.2 µm (declined) versus 5 µm (declined)	3;3	80;53	2.6;4.8	8.610	4	0.001**
Day5 filtrate: 0.2 µm (declined) versus 5 µm (declined)	3;3	75;14	4.8;4.2	16.646	4	<0.001***
Day10 filtrate: 0.2 µm (declined) versus 5 µm (declined)	3;3	49;−7	1.3;7.4	12.821	4	<0.001***
Day0 filtrate: 0.2 µm (declined) versus 0.2 µm (lysed)	3;3	80;104	2.6;8.2	−4.874	4	0.008**
Day5 filtrate: 0.2 µm (declined) versus 0.2 µm (lysed)	3;3	75;81	4.8;4.1	−1.497	4	0.209
Day10 filtrate: 0.2 µm (declined) versus 0.2 µm (lysed)	3;3	49;84	1.3;0.9	−38.224	4	<0.001***
Day0 filtrate: 5 µm (declined) versus 5 µm (lysed)	3;3	53;52	4.8;14.6	0.0844	4	0.937
Day5 filtrate: 5 µm (declined) versus 5 µm (lysed)	3;3	14;15	4.2;6.4	−0.141	4	0.895
Day10 filtrate: 5 µm (declined) versus 5 µm (lysed)	3;3	−7;14	7.4;1.7	−4.649	4	0.0097**

T test performed with two‐tailed p‐values.

Level of significances:

^* p < 0.05,

^** p < 0.01,

^*** p < 0.0001.