Table 8.
Effects of foliar α-oxoglutarate and nitrogen on leaf relative chlorophyll content under drought stress (SPAD).
Treatment | S1 stage | S2 stage | S3 stage | |||
---|---|---|---|---|---|---|
Hefeng51 | Hefeng43 | Hefeng51 | Hefeng43 | Hefeng51 | Hefeng43 | |
DS1 | 46.25c | 43.06c | 44.25c | 40.85c | 42.57b | 37.35b |
DS2 | 46.49c | 43.19c | 44.49c | 40.97c | 42.69b | 37.62b |
DS3 | 48.36b | 45.08b | 46.46b | 41.28b | 43.26b | 37.78b |
CK1 | 43.05d | 37.17d | 41.55d | 36.37d | 38.21c | 33.01c |
CK2 | 52.26a | 48.57a | 52.69a | 49.07a | 53.19a | 49.43a |
Analysis of variance (ANOVA) | ||||||
Treatment (T) | * | ** | * | ** | ** | *** |
Cultivar (C) | ** | ** | *** | |||
C × T | * | ** | ** |
Means with same letter within columns are not significantly different (P < 0.05) using LSD test.
***, **, *Significance at 0.001, 0.01, and 0.05, respectively.