In Vitro Conservation of Sweet Potato Genotypes

Table 3

Coloration of sweet potato plant shoots after 180 days of in vitro conservation as a function of abscisic acid concentration, temperature, and genotype.

ABA	Genotype
(mg·L^−1)	IPB-007	IPB-137
0	3.20^A	2.53^B
1.0	2.24^A	2.83^A
2.0	2.84^A	3.09^A
4.0	2.25^A	2.35^A
8.0	3.15^A	2.75^A
Equation (𝑌) =	3.059−0.455𝑋+0.080𝑋^2+0.003𝑋^3; 𝑅^2=57.24	2.490−0.733𝑋−0.293𝑋^2+0.026𝑋^3; 𝑅^2=91.43
	Temperature (°C)
	18	25
0	2.25^B	3.48^A
1.0	2.00^B	3.07^A
2.0	2.24^B	3.69^A
4.0	1.95^B	2.65^A
6.0	1.80^B	4.10^A
Equation (𝑌) =	ns	3.346+0.320𝑋−0.207𝑋^2+0.022𝑋^3; 𝑅^2=74.45
CV (%)	26.25

The means followed by the same uppercase letters in the same lines do not significantly differ according to a Tukey test at a 5% probability.