Influence of Growth Regulators on Shedding of Broad Bean, Growth, Yield and Seed Quality

Influence of Growth Regulators on Shedding of Broad Bean, Growth, Yield and Seed Quality



A. E. Sharief, M. M. El-hamady



In order to study the effect of foliar spraying of
growth regulators on growth,seed yield and seed quality, two field
experiments were conducted at an extensive field during 2014/2015 and
2015/2016 seasons to determine following foliar spraying of Naphthalene
Acetic Acid (NAA) concentrations, i.e. 0, 20, 40 and 60 ppm and Kinetin
(Kin) concentrations, i.e. 0, 15, 30 and 45 ppm after 35 and 50 days
from sown. Accumulative NAA levelsof to 60 ppm significantly increased
total chlorophyll, plant height (cm),branches number/plant, number of
shedding flowers, shedding %, pods and seeds
number/plant,seedsnumber/pod, seed yield/plant, 100-seed weight (g),
seed yield (ton/ha) and protein % in both seasons.Naphthalene Acetic
Acid foliar spraying up to 60 ppm exceeded of total chlorophyll, plant
height (cm), branchesnumber/plant, number of shedding flowers,
podsnumber/plant, seedsnumber/pod, seedsnumber/plant, seed yield (g)
/plant, 100-seed weight (g), seed yield (ton/ha) and protein % by 11.47,
23.92, 92.88, 20.53, 11.87, 23.48, 14.16, 24.91, 26.15 and 13.23%,
respectively as the average of both seasons. But, reduced the shedding
percentage by 11.91% as the average oftwo seasons. Kinetin (Kin) foliar
spraying up to 45 ppm significantly increased total chlorophyll, plant
height (cm), number of branches/plant, number of shedding flowers,
shedding %, pods and seeds number/plant,number of seeds/pod, seed
yield/plant, 100-seed weight (g), seed yield (ton/ha) and protein % in
both seasons. It could be noticed that foliar spraying of Kinetin (Kin)
concentrationsup to 45 ppm exceeded total chlorophyll, plant height
(cm), branchesnumber/plant, number of shedding flowers,
podsnumber/plant, seedsnumber/pod, seedsnumber/plant, seed yield /plant,
100-seed weight (g), seed yield (ton/ha) and protein % by 12.16, 19.39,
61.64, 5.60, 5.56, 6.96, 5.64, 18.75, 13.38 and 4.39%, respectively as
average of both seasons. But, reduced the shedding % by 14.73 % as the
average of both seasons.It could be recommended that foliar spraying of
Naphthalene Acetic Acid up to 60 ppm and Kin of 45 ppm improved seed
yield/ha by 38.2% compared without foliar application. 



10.22161/ijeab/2.2.51



http://ijeab.com/upload_document/issue_files/51%20IJEAB-APR-2017-17-Influence%20of%20Growth%20Regulators%20on%20Shedding%20of%20Broad%20Bean,%20Growth,%20Yield%20and%20Seed%20Quality.pdf



http://ijeab.com/submit-paper/

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