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PHYSIOLOGICAL ANALYSIS OF THE EFFECT OF SOWING DATES ON PHENOLOGY GROWTH AND YIELD OF HORSEGRAM (Macrotyloma uniflorus Medik) CULTIVARS

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Title PHYSIOLOGICAL ANALYSIS OF THE EFFECT OF SOWING DATES ON PHENOLOGY GROWTH AND YIELD OF HORSEGRAM (Macrotyloma uniflorus Medik) CULTIVARS
 
Creator ZAKEER HUSSAIN, MOHAMMED
 
Contributor ANNAPOORNAMMA, T
 
Subject PHYSIOLOGICAL, ANALYSIS, EFFECT, SOWING ,
 
Description A field experiment was conducted during late ·Khari!,
1988 in split plot design with three cultivars viz., PHG-9,
C0-1 and PDM-1 to investigate the effect of .sowing dates on
phenology, growth and yield of horsegram under rainfed
conditions. The sowings were done on September 6 and 20,
October 4 and .18 and November 3 and 19.
Sowings at different dates affected the crop
ontogeny, period of vegetative growth, morphology of crop,
leaf production and senescence, dry matter production,
flowering date, maturity and finally the seed yield.
The plant height and number of branches were higher
in the September 6 sowing and decreased with every delay .in .
sowing. Days to flowering and maturity were early in later
sowings compared to early sowings. Days to flowering ·exhibited
strong correlation with daylength while days to
maturity was associated with mean temperature.
Sowing on October 4 or 18 was much productive in
compari~to either earlier o~ later sowings. Dry matter
accumulated into stem and lamina and total dry matter
produced was maximum at first sowing (September 6) and ·
decreased with delay in sowing. Dry matter of pods increased
from Septemb~r 6 to Oct~ber 4 sowing and then decreased.
Total dry matter was significantly correlated with LAI,
daylength and mean temperature.Maximum and minimum values of CGR were recorded
with October 4 and November 19 sowings respectively. There
was increase in RGR and NAR values with every delay in
sowing. LAR and SLA recorded higher values in October 4
and 18 sowings.
. There ~ -2 was~ decr~ase in ·number of pods m · and increase
in number ot seeds pod- with each delay in sowing. The
maximum 100-seed weight was recorded with September 6 and
October 4 sowings. There was~1ncrease in harvest index with
delay in sowings except in last (No~ember 19) sowing where it
was decreased. The highest seed yield (1457 kg ha-i)was
recorded with October 4 sowing which was on par with
October 18 sowing (1452 kg ha-1). Sowing beyond October 18
drastically reduced the seed yield. There was significant
and positive correlation between seed yield and
weight of pods while number of pods was strongly associated
with weight ot pods.
Amons cultivars, C0-1 produced higher dry matter
(393.41 g m-2), weight of pods and number of pods and
recorde~ the highest yield (1152 kg ha-1).
From the study it was concluded that sowing of
horsegram in the first fortnight of October gave higher seed
· yield and the ev. C0-1 performed better among all the
cultivars and recorded hignest yield.
 
Date 2016-08-16T15:07:42Z
2016-08-16T15:07:42Z
1989
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/72630
 
Language en
 
Relation D3348;
 
Format application/pdf
 
Publisher ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY RAJENDRANAGAR, HYDERABAD.