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evealed a cut of 25% in seed rate of hybrid, which will
ultimately minimize the cost of seed for raising a commercial
crop.
References
PAU. 1995. Packages of practices for crops of Punjab,
Kharif, 1995. Punjab Agricultural University, Ludhiana,
India. 16 pp.
Saxena, K.B., Chauhan, Y.S., Johansen, C, and
Singh, Laxman. 1992. Recent development in hybrid
pigeonpea research. Pages 58-69 in Proceedings of the
National Symposium on New Frontiers in Pulses Research
and Development, 10-12 Nov 1989. Kanpur, India:
Directorate of Pulses Research.
Verma, M.M., Sidhu, P.S., and Sarlach, R.S. 1994.
Seed production technology of arhar hybrid PPH 4, Page
10, Bulletin No. PAU/1994/T/574/B. Punjab Agricultural
University, Ludhaina, India.
Evaluation of Vegetable Pigeonpea
Lines in the Philippines
F P Sugui, R E Rasalan, D A Tadena, and C C Sugui
(Mariano Marcos State University, Dingras, Ilocos Norte
2913, Philippines)
In the Philippines, pigeonpea is called kardis or kadios.
It is consumed chiefly as a vegetable whereby the tender
green pods are among the vegetable components of an
Ilocano recipe called "Pinakbet". Pinakbet recipe is a
mixture of different vegetable fruits of eggplant, bittergourd,
okra, bontoc pepper, tomatoes, and green pods of
cowpea, lima beans, winged beans, yambeans, hyacinth
bean, and also pigeonpea. Soft green seeds of pigeonpea
are also mixed in meat dishes. The Ilocanos consider
pigeonpea as a very good food item and the taste is
comparable with other vegetable-legumes. Unlike other
legume crops, traditionally, perennial pigeonpea is grown
in limited areas like rice field bunds, backyards, and
planted as hedgerows in sloping and hilly areas. After
one season, the shrubs are ratooned for another season.
The yield of dry grain is very low ranging from zero to
500 kg ha 1 , which is very much lower than the yield in
India which normally ranges from 400 to 700 kg ha -1
(DPR 1988). Considering the importance of pigeonpea,
the Mariano Marcos State University (MMSU) in
collaboration with the Cereals and Legumes Asia
Network (CLAN) is undertaking a research and development
program in pigeonpea. There is, therefore, a
need to evaluate the genetic diversity of pigeonpea in
relation to various farming systems in the Philippines.
An experiment was conducted at MMSU-Dingras
during 1996-97 dry (Oct-Apr) cropping season. The
study contained eight ICRISAT derived vegetable
pigeonpea lines including the control, ICPL 87 (introduced
in the Philippines in the early 1980s), to select the best
lines for increased vegetable (green) production and to
evaluate the potential of pigeonpea cultivation in Ilocos
Norte, Philippines. The experiment was arranged in a
randomized complete block design (RCBD) and replicated
three times. Each entry was planted in 4-row plots
of 5-m length and with an interrow distance of 60 cm.
Two seeds were dibble-planted in furrows 20 cm apart
and thinned-out to one plant per hill at one-and-half
week after emergence. Optimum cultural requirements
from planting to harvesting were followed to permit
expression of genetic potential. Thirty kg N, 30 kg P2O5
and 30 kg K2O per hectare were applied in the field at
planting time. No irrigation was employed, thus, only
the residual soil moisture was utilized by the plants.
Spraying of the plants against pod borer with Decis 2.5
EC was done 50 days after planting (DAP) and 80 DAP.
Harvesting of green pods was first done at 90 DAP with
harvests at 7 days intervals until a fifth harvest, because
the second flush of flowers occurred by then. The two
inner rows were harvested for green pods and the two
outer rows for seed production while other data gathered
were taken from the two inner rows of each plot.
There were highly significant differences (P