Table 5 Effects of foliar α-oxoglutarate and nitrogen on leaf GS activity under drought stress (µmol h⁻¹ g⁻¹ FW).

DS1

180.98^c

151.25^c

171.25^c

140.33^b

152.32^b

120.03^b

DS2

183.26^c

153.02^c

172.37^c

141.19^b

155.18^b

121.65^b

DS3

191.95^b

171.43^b

182.49^b

155.83^b

158.87^b

123.29^b

CK1

165.47^d

142.35^d

148.46^d

122.34^c

136.14^c

102.87^c

CK2

218.13^a

182.67^a

219.81^a

184.11^a

220.54^a

185.05^a

Analysis of variance (ANOVA)

Treatment (T)

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Cultivar (C)

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C × T

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