Table 1.

Allelic test of ZmSUGCAR1 mutants

	Number of normal kernels	Number of small kernels	χ2	P
The segregation ratio of zmsugcar1-1/+⊗
1	283	94	0.000884	0.976278
2	300	119	2.584726	0.107899
3	281	94	0.000889	0.976215
4	293	101	0.084602	0.771155
The segregation ratio of zmsugcar1-2/+ × zmsugcar1-1/+
1	310	106	0.051282	0.820847
2	289	98	0.021533	0.883336
3	296	101	0.041142	0.839264
The segregation ratio of crispr-1/+⊗
1	306	96	0.268657	0.604234
2	299	97	0.053872	0.816458
3	315	101	0.115385	0.734095
The segregation ratio of crispr-2/+⊗
1	320	106	0.00313	0.955385
2	293	98	0.000853	0.976707
3	309	99	0.117647	0.731601