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Table 4 The effects of water and wheat genotypes on NDVI of 2017–2018 and 2018–2019

From: Effects of irrigation and rainfed practices on Normalized Difference Vegetative Index of Wheat (Triticum aestivum L.) and its Implications on Grain Yield in Northern China

Treatments

NDVI 2017–18

NDVI 2018–19

Date

29-Mar

09-Apr

10-Apr

14-Apr

16-Apr

21-Apr

23-Apr

26-Apr

5-May

10-May

Mar-28

2-Apr

6-Apr

9-Apr

16-Apr

23-Apr

4-May

DAS

174

185

186

190

192

197

199

202

211

216

173

178

182

185

192

199

210

Irrigation practices

                 

 Rainfed

0.27b

0.39c

0.28c

0.31c

0.40c

0.61b

0.49b

0.49b

0.63b

0.54c

0.31b

0.39b

0.46b

0.49b

0.58b

0.74b

0.69b

 Irrigation

0.35ab

0.52b

0.45b

0.49b

0.56b

0.67ab

0.67a

0.65a

0.71a

0.73b

0.32ab

0.40b

0.47ab

0.51b

0.59b

0.75ab

0.74ab

 CK

0.39a

0.65a

0.61a

0.65a

0.70a

0.72a

0.69a

0.66a

0.77a

0.79a

0.36a

0.46a

0.53a

0.57a

0.68a

0.80a

0.77a

Genotypes

                 

 Vr1

0.32b

0.50c

0.39c

0.42c

0.50b

0.63b

0.63b

0.56c

0.67c

0.71d

0.27c

0.33b

0.37c

0.40b

0.52b

0.71b

0.69b

 Vr4

0.32b

0.51bc

0.43bc

0.49b

0.55b

0.65b

0.63b

0.63b

0.70bc

0.72cd

0.34ab

0.44a

0.47ab

0.50a

0.60a

0.76a

0.76a

 Vr3

0.34b

0.52bc

0.45abc

0.54ab

0.58ab

0.67ab

0.64b

0.63b

0.73ab

0.75bc

0.30bc

0.37b

0.42b

0.43b

0.60a

0.76a

0.69b

 Vr5

0.36ab

0.57ab

0.49ab

0.58a

0.58ab

0.68ab

0.69ab

0.68ab

0.74ab

0.76ab

0.35ab

0.45a

0.48a

0.52a

0.63a

0.78a

0.78a

 CK

0.39a

0.65a

0.61a

0.65a

0.70a

0.72a

0.69a

0.67a

0.77a

0.79a

0.36a

0.46a

0.47a

0.53a

0.68a

0.80a

0.78a

 Vr2

0.40a

0.59a

0.51a

0.60a

0.65a

0.73a

0.73a

0.71a

0.78a

0.78a

0.36a

0.46a

0.50a

0.52a

0.64a

0.79a

0.81a

  1. Mean followed by the same letter within the same column are not significant different at (p < 0.05)