Table 4.
(a) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Location | Component and Stages | Control | T1R1 | T1R2 | T2R1 | T2R2 | T1R1 & T2R1 | T3R1 | T3R2 | T2R1 & T3R1 | |||
B | Leaf | ||||||||||||
V6 | 3.3(0.7) †,‡ | 3.3 ‡ | 3.0 ‡ | 3.5 ‡ | 4.0 ‡ | 3.0 ‡ | 4.8 ‡ | 5.0 + ‡ | 4.5 ‡ | ||||
V13 | 6.8(0.8) ‡ | 7.5 § | 8.3 +§ | 6.5 ‡ | 7.3 ‡ | 8.2 +§ | 6.0 ‡ | 7.0 ‡ | 7.0 ‡ | ||||
V17 | 8.8(1.7) ‡ | 9.7 | 10.3 | 14.0 **§ | 14.7 ***§ | 14.5 **§ | 8.8 ‡ | 9.2 ‡ | 14.0 **§ | ||||
R2 | 7.3(0.8) ‡ | 7.2 | 8.2 | 8.7 + | 8.0 | 8.3 | 8.8 +§ | 12.2 ***§ | 9.0 *§ | ||||
R6 | 4.8(0.6) ‡ | 4.5 | 4.8 | 6.0 * | 4.5 | 5.0 | 5.0 | 5.7 | 4.8 | ||||
Stalk | |||||||||||||
V6 | 5.5(0.4) ‡ | 4.8 ‡ | 5.5 ‡ | 5.0 ‡ | 5.8 ‡ | 5.3 ‡ | 5.0 ‡ | 4.5 +‡ | 5.0 ‡ | ||||
V13 | 5.2(0.9) ‡ | 6.0 § | 5.7 § | 4.8 ‡ | 5.3 ‡ | 7.0 +§ | 4.8 ‡ | 5.7 ‡ | 4.2 ‡ | ||||
V17 | 3.8(0.8) ‡ | 5.0 | 5.8 * | 5.2 § | 6.7 **§ | 6.5 **§ | 4.3 ‡ | 4.7 ‡ | 5.8 *§ | ||||
R2 | 4.2(0.6) ‡ | 5.7 * | 4.8 | 5.5 * | 4.8 | 6.0 ** | 5.3 +§ | 5.8 **§ | 4.8 § | ||||
R6 | 1.0(1.0) ‡ | 1.0 | 1.2 | 2.3 | 1.0 | 1.2 | 1.0 | 2.5 | 1.2 | ||||
Reproductive | |||||||||||||
R2 | 6.0(2.2) ‡ | 5.5 | 6.5 | 6.2 | 6.0 | 5.3 | 6.3 § | 7.8 § | 10.3 +§ | ||||
R6 | 2.3(1.0) ‡ | 6.0 *** | 2.2 | 2.7 | 2.7 | 2.8 | 3.0 | 3.3 | 2.5 | ||||
(b) | |||||||||||||
Location | Component and Stages | Control | T1R1 | T1R2 | T2R1 | T2R2 | T1R1 & T2R1 | T3R1 | T3R2 | T2R1 & T3R1 | |||
Mn | Leaf | ||||||||||||
V7 | 76.8(6.4) ‡ | 72.0 ‡ | 76.3 ‡ | 75.3 ‡ | 68.3 ‡ | 69.3 ‡ | 67.8 ‡ | 74.3 ‡ | 83.8 ‡ | ||||
V15 | 65.7(13.8) ‡ | 118.5 ***§ | 141.3 ***§ | 79.3 ‡ | 68.8 ‡ | 101.7 **§ | 69.0 ‡ | 78.3 ‡ | 77.2 ‡ | ||||
VT | 83.5(10.4) ‡ | 102.7 + | 123.8 *** | 108.7 *§,¶ | 118.2 **§ | 129.7 ***§ | 79.8 ‡ | 76.8 ‡ | 115.7 **§ | ||||
R3 | 104.7(11.8) ‡ | 116.3 | 174.2 *** | 106.7 | 133.7 * | 136.5 ** | 132.7 *§ | 161.2 ***§ | 153.2 ***§ | ||||
R6 | 150.0(9.9) ‡ | 163.7 | 203.8 *** | 159.7 | 182.2 ** | 184.2 *** | 177.3 ** | 206.8 *** | 195.2 *** | ||||
Stalk | |||||||||||||
V7 | 75.5(6.5) ‡ | 79.8 ‡ | 90.0 ‡ | 85.0 ‡ | 77.3 ‡ | 77.0 ‡ | 82.3 ‡ | 72.5 ‡ | 84.0 ‡ | ||||
V15 | 77.7(7.5) ‡ | 86.7 § | 101.0 **§ | 68.7 ‡ | 76.2 ‡ | 83.3 § | 75.8 ‡ | 70.2 ‡ | 72.3 ‡ | ||||
VT | 87.5(6.6) ‡ | 81.3 | 80.2 | 84.7 §,¶ | 87.8 § | 87.3 § | 97.3 ‡ | 76.7 ‡ | 86.5 § | ||||
R3 | 78.2(7.8) ‡ | 86.0 | 93.5+ | 80.3 | 104.3 ** | 99.7 ** | 94.7 *§ | 120.8 ***§ | 101.5 **§ | ||||
R6 | 40.8(6.0) ‡ | 34.3 | 43.7 | 27.3 * | 42.8 | 49.2 | 43.2 | 46.7 | 43.3 | ||||
Reproductive | |||||||||||||
VT | 79.3(13.6) ‡ | 88.8 | 83.3 | 114.0 *§,¶ | 89.5 § | 94.3 § | 86.0 ‡ | 87.7 ‡ | 89.0§ | ||||
R3 | 23.3(5.4) ‡ | 21.3 | 25.7 | 25.0 | 24.0 | 26.7 | 31.5 § | 36.5 *§ | 26.2 § | ||||
R6 | 15.2(5.2) ‡ | 18.7 | 17.7 | 15.8 | 14.0 | 18.0 | 22.8 | 22.0 | 21.3 | ||||
Grain | |||||||||||||
R3 | 15.9(1.8) ‡ | 13.7 | 12.0 * | 12.3 * | 13.9 | 13.7 | 15.3 § | 13.6 § | 14.1 § | ||||
R6 | 5.8(0.3) ‡ | 6.0 | 6.1 | 5.9 | 6.1 | 5.7 | 5.9 | 6.3 + | 5.8 | ||||
(c) | |||||||||||||
Location | Component and Stages | Control | T1R1 | T1R2 | T2R1 | T2R2 | T1R1 & T2R1 | T3R1 | T3R2 | T2R1 & T3R1 | |||
Zn only | Leaf | ||||||||||||
V6 | 26.3(0.9 )‡ | 27.5 ‡ | 26.5 ‡ | 25.0 ‡ | 25.8 ‡ | 25.3 ‡ | 26.8 ‡ | 27.8 ‡ | 27.8 ‡ | ||||
V14 | 24.7(5.9) ‡ | 71.8 ***§ | 101.0 ***§ | 22.7 ‡ | 21.7 ‡ | 62.0 ***§,# | 24.2 ‡ | 22.0 ‡ | 22.5 ‡ | ||||
V17 | 27.3(9.5) ‡ | 58.2 ** | 85.5 *** | 78.2 ***§ | 108.8 ***§ | 91.3 ***§,# | 27.3 ‡ | 28.5 ‡ | 73.3 ***§ | ||||
R2 | 29.2(22.0) ‡ | 49.0 | 80.0 * | 54.5 | 74.2 * | 123.2 *** | 63.0 § | 84.0 *§ | 88.5 **§ | ||||
R6 | 34.2(7.6) ‡ | 47.8 + | 73.5 *** | 57.8** | 73.3 *** | 68.0 *** | 50.7 * | 77.2 *** | 71.2 *** | ||||
Stalk | |||||||||||||
V6 | 55.3(3.2) ‡ | 52.0 ‡ | 46.5 +‡ | 50.0 ‡ | 53.3 ‡ | 47.5 ‡ | 60.0 ‡ | 53.3 ‡ | 55.5 ‡ | ||||
V14 | 26.8(5.0) ‡ | 39.3 *§ | 73.3 ***§ | 37.5 *‡ | 32.3 ‡ | 42.7 **§,# | 29.5 ‡ | 30.5 ‡ | 35. 3 ‡ | ||||
V17 | 23.7(3.0) ‡ | 27.0 | 45.8 *** | 36.2 ***§ | 55.5 ***§ | 44.0 ***§,# | 24.7 ‡ | 24.7 ‡ | 35.2 ***§ | ||||
R2 | 19.0(3.5) ‡ | 26.0 + | 31.5 *** | 27.3 * | 41.0 *** | 36.0 *** | 27.5 *§ | 44.0 ***§ | 41.0 ***§ | ||||
R6 | 27.0(6.3) ‡ | 25.8 | 28.5 | 29.8 | 37.8 + | 30.3 | 31.3 | 41.2 * | 37.0 | ||||
Reproductive | |||||||||||||
R2 | 26.5(2.8) ‡ | 28.7 | 30.3 | 29.3 | 34.7 ** | 32.8 * | 38.2 ***§ | 45.3 ***§ | 41.2 ***§ | ||||
R6 | 34.7(5.9) ‡ | 34.3 | 43.0 | 30.0 | 35.2 | 34.2 | 30.3 | 39.8 | 39.7 | ||||
Grain | |||||||||||||
R2 | 47.5(2.3) ‡ | 48.8 | 52.1 + | 50.9 | 49.9 | 52.6 * | 55.2 **§ | 53.9 **§ | 58.0 ***§ | ||||
R6 | 19.3(0.6) ‡ | 19.8 | 20.3 | 18.6 | 19.4 | 19.7 | 20.5+ | 19.9 | 20.1 | ||||
(d) | |||||||||||||
Location | Component and Stages | Control | T1R1 | T1R2 | T2R1 | T2R2 | T1R1 & T2R1 | T3R1 | T3R2 | T4R1 | T4R2 | T1R1 & T4R1 | T3R1 & T4R1 |
Fe/Zn (Zn Values) | Leaf | ||||||||||||
V6 | 25.8(0.9) ‡ | 25.5 ‡ | 25.5 ‡ | 26.0 ‡ | 28.5 *‡ | 28.0 +‡ | 25.0 ‡ | 26.5 ‡ | 26.0 ‡ | 27.0 ‡ | 24.8 ‡ | 24.8 ‡ | |
V14 | 22.3(13.6) ‡ | 74.8 **§ | 53.8 § | 51.5 ‡ | 40.0 ‡ | 68.5 *§ | 30.5 ‡ | 24.0 ‡ | 29.0 ‡ | 51.0 ‡ | 50.8 § | 27.3 ‡ | |
V17 | 31.3(6.1) ‡ | 63.5 *** | 65.0 *** | 56.5 **§ | 80.0 ***§ | 80.3 ***§ | 26.3 ‡ | 27.8 ‡ | 24.8 ‡ | 25.3 ‡ | 49.3 * | 25.0 ‡ | |
R2 | 34.5(7.8) ‡ | 55.5 + | 86.0 *** | 49.5 | 73.8 ** | 69.3 ** | 40.0 § | 66.8 **§ | 31.3 ‡ | 34.0 ‡ | 71.0 ** | 55.5 +§ | |
R6 | 29.5(2.7) ‡ | 32.3 | 50.5 *** | 32.0 | 43.3 *** | 44.8 *** | 30.3 | 36.8 + | 30.3 § | 39.3 *§ | 40.8 **§ | 37.5 *§ | |
Stalk | |||||||||||||
V6 | 51.0(3.2) ‡ | 44.8 ‡ | 50.3 ‡ | 46.0 ‡ | 62.3 *‡ | 52.5 ‡ | 42.4 +‡ | 54.0 ‡ | 49.0 ‡ | 52.8 ‡ | 44.8 ‡ | 54.3 ‡ | |
V14 | 35.3(4.4) ‡ | 52.3 **§ | 51.3 *§ | 50.8 *‡ | 37.3 ‡ | 44.0 § | 32.5 ‡ | 29.5 ‡ | 40.0 ‡ | 45.8 +‡ | 48.3 *§ | 48.5 *‡ | |
V17 | 26.3(3.3) ‡ | 29.0 | 38.8 ** | 31.3 § | 31.0 § | 31.0 § | 26.3 ‡ | 23.0 ‡ | 23.8 ‡ | 28.3 ‡ | 34.3 + | 21.5 ‡ | |
R2 | 21.0(2.8) ‡ | 18.8 | 22.5 | 19.8 | 24.8 | 23.8 | 23.0 § | 23.5 § | 18.0 ‡ | 17.8 ‡ | 22.5 | 25.3 § | |
R6 | 18.8(2.8) ‡ | 15.0 | 15.8 | 16.5 | 12.0 + | 15.5 | 15.8 | 10.8 | 12.5 § | 16.8 § | 12.8 § | 15.5 § | |
Reproductive | |||||||||||||
R2 | 29.5(2.8) ‡ | 31.3 | 31.8 | 37.0 + | 32.0 | 35.3 | 36.8 +§ | 37.3 +§ | 36.8 +‡ | 31.0 ‡ | 34.0 | 35.3 § | |
R6 | 27.8(2.8) ‡ | 28.0 | 32.3 | 28.3 | 31.8 | 34.8 + | 28.3 | 31.3 | 26.5 § | 32.3 § | 30.3 § | 29.8 § | |
Grain | |||||||||||||
R2 | 48.4(5.9) ‡ | 65.2+ | 56.1 | 55.1 | 61.9 | 68.7 * | 77.2 **§ | 66.8 *§ | 52.3 ‡ | 58.2 ‡ | 63.5 + | 66.2 *§ | |
R6 | 19.4(1.0) ‡ | 18.5 | 19.3 | 17.8 | 19.5 | 20.8 | 18.5 | 18.9 | 18.3 § | 18.4 § | 18.7 § | 19.5 § | |
(e) | |||||||||||||
Location | Component and Stages | Control | T1R1 | T1R2 | T2R1 | T2R2 | T1R1 & T2R1 | T3R1 | T3R2 | T4R1 | T4R2 | T1R1 & T4R1 | T3R1 & T4R1 |
Fe/Zn (Fe Values) | Leaf | ||||||||||||
V6 | 305.0(18.9 )‡ | 281.5 ‡ | 284.3 ‡ | 265.3 ‡ | 321.8 ‡ | 306.5 ‡ | 275.8 ‡ | 316.8 ‡ | 286.5 ‡ | 282.0 ‡ | 275.8 ‡ | 282.0 ‡ | |
V14 | 133.3(17.0) ‡ | 170.0 § | 142.0 § | 159.8 ‡ | 152.3 ‡ | 171.5 § | 128.5 ‡ | 138.5 ‡ | 162.0 ‡ | 139.8 ‡ | 143.3 § | 119.5 ‡ | |
V17 | 143.0(13.5) ‡ | 163.0 | 163.0 | 153.8 § | 183.3 *§ | 184.0 *§ | 131.8 ‡ | 120.3 ‡ | 132.3 ‡ | 116.9 ‡ | 137.8 | 124.3 ‡ | |
R2 | 330.3(38.2) ‡ | 277.8 | 319.3 | 253.0 | 350.3 | 248.5 | 189.8 **§ | 264.3 § | 274.5 ‡ | 213.3 *‡ | 197.0 * | 286.8 § | |
R6 | 98.5(7.5) ‡ | 94.3 | 107.3 | 94.3 | 103.3 | 99.3 | 82.5 | 98.8 | 84.8 § | 94.5 § | 89.0 § | 103.5 § | |
Stalk | |||||||||||||
V6 | 177.5(25.9) ‡ | 187.3 ‡ | 159.5 ‡ | 157.0 ‡ | 166.8 ‡ | 194.5 ‡ | 152.3 ‡ | 211.3 ‡ | 176.0 ‡ | 160.3 ‡ | 194.3 ‡ | 158.8 ‡ | |
V14 | 33.5(5.3) ‡ | 34.5 § | 38.0 § | 35.0 ‡ | 42.5 ‡ | 40.3 § | 32.0 ‡ | 39.8 ‡ | 40.5 ‡ | 44.5 ‡ | 34.5 § | 37.5 ‡ | |
V17 | 37.3(10.8) ‡ | 35.0 | 32.3 | 32.3 § | 50.3 § | 34.5 § | 40.8 ‡ | 59.3 ‡ | 40.5 ‡ | 38 ‡ | 32.8 | 38.5 ‡ | |
R2 | 86.8(12.7) ‡ | 50.0 * | 52.3 + | 44.0 * | 74.8 | 72.3 | 69.0 § | 56.8 § | 58.0 ‡ | 53.8 +‡ | 63.0 | 46.0 *§ | |
R6 | 23.5(5.5) ‡ | 29.5 | 28.3 | 24.8 | 28.0 | 33.3 | 33.5 | 40.5 * | 36 § | 26.8 § | 30 § | 25.8 § | |
Reproductive | |||||||||||||
R2 | 73.3(15.7) ‡ | 110.8 | 76.5 | 61.5 | 58.0 | 74.3 | 69.8 § | 52.8 § | 61.3 ‡ | 51.0 ‡ | 64.5 | 80.3 § | |
R6 | 33.8(6.8) ‡ | 30.0 | 27.8 | 31.0 | 33.5 | 42.8 | 30.5 | 34.8 | 23.8 § | 26.3 § | 31.8 § | 29.8 § | |
Grain | |||||||||||||
R2 | 33.5(5.0) ‡ | 42.1 | 38.3 | 36.0 | 47.5 * | 45.0 | 49.5 *§ | 42.8 § | 36.0 ‡ | 44.9 ‡ | 42.3 | 43.1 § | |
R6 | 19.0(1.1) ‡ | 17.6 | 21.6 | 17.8 | 19.2 | 19.4 | 18.3 | 18.0 | 17.0 § | 16.9 § | 17.6 § | 18.7 § |
† Least square mean plant nutrient concentration (mg kg−1) followed by (SE for all values in the same row) and significant F test: Not Significant >0.10; + >0.05; * >0.01; **> 0.001; ***< 0.001. ‡ No foliar treatment had been applied at this stage. § First sampling following foliar treatment. ¶ First sampling following foliar treatment for plots with significant increase on grain yield. # First sampling following foliar treatment for plots with significant decrease on grain yield.