In Vitro Conservation of Sweet Potato Genotypes

Table 2

Height 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
	Temperature 18°C
0	3.83^bA	2.02^bB
1.0	1.13^bA	0.85^aA
2.0	1.10^aA	1.10^aA
4.0	1.40^aA	0.60^aA
8.0	0.90^aA	0.60^aA
Equation (𝑌) =	4.637−3.983𝑋+1.156𝑋^2−0.089𝑋^3; 𝑅^2=93.55	1.765−0.490𝑋+0.043𝑋^2; 𝑅^2=77.29
	Temperature 25°C
0	6.00^aA	6.00^aA
1.0	3.80^aA	1.65^aB
2.0	1.93^aA	1.40^aA
4.0	0.90^aA	1.03^aA
8.0	0.40^aA	0.70^aA
Equation (𝑌) =	4.452−0.616𝑋; 𝑅^2=71.62	3.588−0.048𝑋; 𝑅^2=65.45
CV (%)	34.92

The means followed by the same uppercase letters in the same line and lowercase letters between temperatures do not significantly differ according to a Tukey test at a 5% probability.