EFFET OF IRRIGATION AND GROWTH REGULATOR ON CHLOROPHYLL CONTENT, RELATIVE WATER CONTENT AND YIELD OF MUNGBEN (VIGNA RADIATE L.)

Abstract

.\n experlIlleilt was cotiditeted at the l':trtil Of Slwr-e-Rangla .\grictilrtiral Uttiversir. Dhaka to evaluate the etIkct Of irrnraluui And trc)\vIIl regtilaror on elllorophvfl Ci 'iuirilt, water relation and yieLd tit rnunglwan during the period [torn March 21112 u> MAY 2012. tIle expennient comprised ot two dilferent factors such as (I) two levels 1 irrigarioil VIZ. I (control), and Ii (irrigandlil at tirst [lowering stage) and (2) [lye levels of (\; W. Co (no (;.\). (;2•. (2(1 ppm per will ;Ifll 'I (.\.. ( (41) ppm per unit area ol (:\). (60 (60 pprrt per unit area of (i;\ and ( (KI) ppm per unit area of (;.•\), ITIC exl)crifllefll Was set tip iii l&atith)i)1iZe(I Coiitplete IMoek Design (factorial) with three replications. '11w highest plant heights (28.67. 64.33 and 71133 ciii at It (i) D.\S and at harvest respectively), fresh weflIli plant (16.31), 38.51) and 84.011 g at 3ii, 6iI L).\S and at harvest respeclivelv). dry weight plant (4.58. 9.92 and 1401 g ill 30 61) D.\S and at harvest respeetivehj. iltilliher I )t tic 'wers plant I (II ).55. (,.88 and 1.28 at 31). 60 l')AS and at harvest respecrivelv). number of pods plant . 11 ituinlar of seeds pod I ( 14,77), grain ekEd (1376.01) kg ha ) :l11cl lianest iiidex 40,84" ) were achieve wItII the cc H11I)tIlatiOn of 11(14.. lint the highest 1(10(1 seed veeiglii 148.6T' g) \.'aS unind [ron) 110, In ease of chloropin II content, the liithest (UT 1(17 mu :.0 and 11,3330 trig g at 6631nl and 645, respect ivelv) was also )btained [ton) i ( ii'eatiiient \gain, in terms of Relative Water cotitent (RW( ). the highesi result (K-I. I 2''; was iihtaiiicd trot)) I (