Ms Motilal Padampat Sugar Mills vs. State of Uttar Pradesh & Ors. - A Milesto...
Poll.zsp
1. Occurrence of Insect Pollinators of BitterOccurrence of Insect Pollinators of Bitter
Gourd and Their Relationship withGourd and Their Relationship with
Qualitative Yield of Fruits in TaxilaQualitative Yield of Fruits in Taxila
Mohammad IrshadMohammad Irshad
Waqar Ahmad & Elizabeth StephanWaqar Ahmad & Elizabeth Stephan
National Agricultural Research Center, IslamabadNational Agricultural Research Center, Islamabad
2. IntroductionIntroduction
Inadequate work in Pakistan on pollinationInadequate work in Pakistan on pollination
studiesstudies
Bibliography of work from 1947-2010 showsBibliography of work from 1947-2010 shows
that there are 95 research articles, 21 M.SCthat there are 95 research articles, 21 M.SC
and 1PhD theses and 4 reportsand 1PhD theses and 4 reports
3.
4. Material and MethodsMaterial and Methods
The experiment was conducted onThe experiment was conducted on Momordica charantiaMomordica charantia inin
the village Gangu, Taxila.the village Gangu, Taxila.
Just before the opening of flower buds, card tags were hangedJust before the opening of flower buds, card tags were hanged
on the nodes. Each card was labelled with the flower numberon the nodes. Each card was labelled with the flower number
and the plot number.and the plot number.
One hundred flowers were tagged in the last week of AugustOne hundred flowers were tagged in the last week of August
2010.2010.
The insect visitors coming on the bitter gourd flowers wereThe insect visitors coming on the bitter gourd flowers were
counted between 0800 and 0100 for one and half minute oncounted between 0800 and 0100 for one and half minute on
alternate day.alternate day.
The counting was done till shedding of flowers .The counting was done till shedding of flowers .
5.
6. At harvests the data was recorded forAt harvests the data was recorded for
Percentage Fruit settingPercentage Fruit setting
Fruit LengthFruit Length
Fruit WidthFruit Width
Fruit WeightFruit Weight
Seeds per fruitSeeds per fruit
Seed weightSeed weight
7. Fruits ofFruits of M. charantiaM. charantia Fruit being weighedFruit being weighed
11. The maximum no. of pollinators/ insect visitors wasThe maximum no. of pollinators/ insect visitors was
in plot-III.in plot-III.
These pollinators fall under family Apidae, ScoliidaeThese pollinators fall under family Apidae, Scoliidae
(Hymenoptera), Hesperidae, Papilionidae,(Hymenoptera), Hesperidae, Papilionidae,
Nymphalidae, Pieridae (Lepidoptera), EmpidaeNymphalidae, Pieridae (Lepidoptera), Empidae
(Diptera), Cleridae and Chrysomelidae (Coleoptera)(Diptera), Cleridae and Chrysomelidae (Coleoptera)
The maximum no. of insect pollinators belonged toThe maximum no. of insect pollinators belonged to
ApidaeApidae
More than 10 species of insects visited flowersMore than 10 species of insects visited flowers
12. CONCLUSIONCONCLUSION
These parameters cannot be significantlyThese parameters cannot be significantly
correlated with no. of pollinators visiting thecorrelated with no. of pollinators visiting the
flowers.flowers.
Some more experiments are needed toSome more experiments are needed to
establish number of pollinators with fruitestablish number of pollinators with fruit
quality and quantityquality and quantity
13. ACKNOWLEDGEMENTSACKNOWLEDGEMENTS
The Technical and financial support of FAO,The Technical and financial support of FAO,
GEF, UNEP is gratefully acknowledgedGEF, UNEP is gratefully acknowledged