Comparison Winter and Spring Sowing Dates and Effect of Plant Density on Yield, Yield Components and Some Quality, Morphological Traits of Chickpea (Cicer arietinum L.) Under Environmental Condition of Urmia, Iran
Fermesk Valimohammadi ,
A field experiment was carried out during 2005-2006 growing season to comparison winter and spring sowing dates and studies the effect of plant density on the yield, yield components and some quality, morphological traits of one local cultivar chickpea (ghazvin). The experiment comprised of three sowing dates viz. mid November, mid March and mid April, four planting densities viz., 30x7.5, 30x10, 30x15 and 30x20 cm that representing 45, 34, 23 and 17 plant m-2. The experiment was laid out in a split plot design, based on the completely randomized blocks. Results indicated that early sowing (mid November and mid March) crops produce higher yield as compare to mid April and plant density did not significantly affect on the yield. Also effect of sowing date and different plant density on the height plant, branch number per plant and 100 seed weight were not significant but highest number pod per plant attained in mid November sowing date at a density of 30x15 cm, the number of days to maturity was the highest in planted on mid March with a plant density of 30x20 cm and the highest seed protein content was obtained in planted on mid March at densities of 30x7.5 cm.
to cite this article:
Fermesk Valimohammadi , Mehdi Tajbakhsh and Ali saeid , 2007. Comparison Winter and Spring Sowing Dates and Effect of Plant Density on Yield, Yield Components and Some Quality, Morphological Traits of Chickpea (Cicer arietinum L.) Under Environmental Condition of Urmia, Iran. Journal of Agronomy, 6: 571-575.
Chickpea (Cicer arietinum L.) is the important food grain leguminous
in the diet of people in south and west Asia and northern Africa. It is grown
on over 11 million hectares worldwide and annual production average over 8 million
tones (Kumar, 2001). Of the world production, 91% is produced in Asia, 3.0%
in Africa, 1.0% in Europe, 2.5% in north and central America (mainly Mexico)
and 2.4% in Oceania (mainly Australia). In Asia, Indian accounts for 70.6% of
the area and 74.8% of the production. Other important Asia countries such as
Iran, Myanmar, Pakistan and turkey account for 26.9% of the area and 22.6% of
the production (Upadhyaya et al., 2001). Chickpea is the third major
cool season grain legume crop in the world after dry bean (Phaseolus vulgaris
L.) at 19 MT and field pea (Pisum sativum L.) at 10.3 MT (FAO, 2004).
But in Iran country is the first important grain legume between pulses crops
due to higher sowing area and production (Banaii, 1997). Among the various agronomic
practices, sowing time is single most important factor influencing the yield
of chickpea. Optimum sowing time of chickpea may very from one variety to another
and also from one region to another due to variation of agro-ecological conditions.
Winter sowing is a kind of planting date that time of sowing is high susceptibility.
Traditionally, the chickpea is sown in spring in order to avoid Ascochyta blight
(Ascochyta rabiei pass) and frost, both in Mediterranean and temperate
regions. It has been well documented that if the chickpea is sown in autumn,
higher yield can be obtained than with traditional spring sowing in Mediterranean
and dry regions. Ozdemir and Karadavut (2003) reported a 102% yield increase
in autumn sowing over spring sowing. Singh et al. (1997) reported that
winter-sown chickpea produced seed yield as 70% higher than spring-sown crop
in Syria. Iiiadis (2001) calculated 23-188% more seed for winter over spring
sowing in Greece. In most of these studies the high yield potential of winter
crop has been attributed to the extended growing period and favorable rainfall
during winter and early spring. Low winter temperatures restrict the seedling
growth of chickpea, however, it enters a phase of rapid growth when temperature
increase in spring, the time when the soil allows spring sowing (Siddique et
al., 1999; O´Toole et al., 2001). The longer growing period of winter-sown
chickpea resulted in higher biomass production, which contributed mainly toward
increased seed yield. Sowing the crop in winter with cultivars tolerant to cold
and to aschochyta blight (Aschochyta rabiei (pass.) Lab.). Minimizes
the effects of terminal heat and drought stress and increased and stabilizes
productivity (Singh et al., 1997). Also in this sowing time required
cultivars tolerant to cold and to aschochyta blight. The sowing density used
depends principally on soil water availability. More research is needed to determine
the relationship between sowing dates and planting density for different chickpea
varieties. Yigitoglu (2006) reported that highest seed yield of chickpea was
obtained in early winter sowing and high plant density (45 plant m-2).
Planting density depends to environmental condition, seed size, plant type and
way of sowing. Singh et al. (1980) reported that optimum planting density
for chickpea is 35 plant m-2 with consider to environment conditions.
however, in north-west of Iran Ahmadi and kanoni (1994) reported optimum planting
density of chickpea is 25 plant m-2. The present study was therefore,
undertaken to find out the suitable sowing date of chickpea (ghazvin local cultivar)
and optimum planting density to achieve higher grain yield under environmental
condition of uremia, Iran.
MATERIALS AND METHODS
The experiment was conducted at the agricultural research farm and natural
resources of west Azerbaijan in station dry land Khormabad, Uremia during 2005-2006
growing season. The site is located at 37°50' N latitude and 45°07'
E longitude. The soil texture of the experimental station was sandy clay loam.
Seeds were dressed with the fungicide Karbocsitiram before sowing to prevent
seedling loss. The experiment comprised of three sowing dates viz., 15 November
as a winter crop, 15 March as a early sowing and 15 April as a spring crop (region
usual sowing by farmers) and four planting densities represented by four plant
spacing viz., 30x7.5, 30x10, 30x15 and 30x20 cm. The experiment was laid out
in a split plot design based on the completely randomized blocks with four replications
assigning sowing time in the main plots and planting densities in the sub-plots.
Each sub-plot consisted of 4 rows 4 m long, 30 cm row spacing and were sown
by hand. Seed was placed at 5 cm deep. Experimental cultivar was ghazvin local
cultivar that obtained from research seed breed of unit leguminous west Azerbaijan,
uremia. Weeds were controlled by hand weeding. No insecticide or fungicide was
used to control insect pests or diseases. The following observations were recorded:
date of flowering when 50% of the plants in the plot had at least one flower
and date of maturity when the plants had dried and were ready for harvest.
||Monthly rainfall, minimum, maximum and mean temperature and
number of frost days and mean moisture during 2005-2006 cropping season
at west Azerbaijan, Uremia-Iran
Plant height (cm), number of branches and number of pods per plant were calculated
in the field. 2 rows of center of each plot were harvested with hand when the
crop had dried sufficiently for satisfactory threshing and the amount was calculated
as kilograms per hectare. One hundred seed weight (g) was determined in the
seed laboratory. Ascochyta blight tolerances were scored according to: 1: no
diseases symptom, 3: 20-45%, 5: 45-70%, 7: 75-90% and 9: 100% diseases. Analysis
of variance was performed on data using MSTATC. Differences among treatment
means were tested with Duncan multiple range tests. A weather station on the
experimental site recorded monthly rainfall; minimum, maximum and mean temperature
and number of frost days and mean moisture that presented in (Table
1). Rainfall totals in station uremia was 308.6 mm and rainfall distribution
were 14.4% in fall, 57.2% in winter and 28.3% in spring season.
RESULTS AND DISCUSSION
Seed yield: Seed yield was significantly affected by sowing dates, while
the effect of plant density on the seed yield was not significant. Crops planted
on mid March and mid November produced highest seed yield (1042.08 and 962.91
kg ha-1) followed by mid April (709.16 kg ha-1) planting
(Table 2). Experimental cultivar sown in early sowing, mid
November and mid March, gain substantially higher yields than mid April. This
result was due to the reproductive phase of the early sowing crop is initiated
in a more favorable thermal and moisture regime than the mid April sowing crops.
Calcangno et al. (1987) reported a 60% yield increase in autumn sowing
over spring sowing. Also Ozdemir and Karadavut (2003) reported that autumn-sown
crops produced 1642 kg ha-1 more seed yield than the spring-sown
crops. In this study we expected that winter-sown crops have a higher seed yields
than spring-sown planting.
||Relationship between sowing date and the scores of Ascochyta
blight of chickpea, the blight scores was rated using a (1-9): 1: No. diseases
symptom, 3: 20-45%, 5: 45-70%, 7: 75-90% and 9: 100% diseases
|T1: Mid November, T2: Mid March and
T3: Mid April sowing crops, 1, 2, 3 and 4 are replications
The decrease of seed yield (79.17 kg ha-1) in mid November than
mid March was due to environmental condition in region quite favorable for Ascochyta
blight infestation and experimental cultivar was susceptible so there was blight
incidence in sowing time particularly in winter-sown date (Table
3), this indicated that there was a strongly negative relation between yield
and ascochyta blight score. Saxena and Singh (1987) reported that for getting
success with the winter sowing of chickpea it is necessary that the cultivars
have high level of tolerance to cold and resistance to Aschochyta blight. Present
results are in agreement with (Hawtin and Singh, 1984; Reddy and Singh, 1990;
Singh and Reddy, 1996; Toker and Cagiran, 2003; Gan et al., 2006). Seed
yield were not significantly affected by planting densities. Saini and Faroda
(1998) reported seed yield increase of Kabuli chickpea up to 36% with plant
density increase from 20 to 35 plant m-2 in semiarid northern India.
Similarly, Beech and Leach (1989) showed that a plant density of 40 plant m-2
was required to obtain maximum seed yields. Also Liu et al. (2003) reported
that the seed yield per unit area responded positively to plant densities. However,
in our study plant densities were not significantly effect on the seed yield.
This result may be due to use of one cultivar of chickpea that was pure line
and had a same growing habit in different plant densities. The experiment demonstrated
that yield losses of winter-sown chickpea can be minimized by using cultivars
with a higher level of resistance, selecting fields isolated from sources of
infection and using strategic fungicide application. In this study experimental
cultivar (ghazvin) represented that was not resistance to Ascochyta blight and
winter-sown crop were not successful. It is recommended that for achieve to
high seed yield of this cultivar should be planted in the mid March as an early
sowing than mid April, at the 45 plant m-2 planting densities.
Yield components: Effect of sowing date and planting densities were
not significant on 100 seed weight but had significant influence on pod per
plant. The results indicated that in the chickpea, 100 seed weight is a highly
stable character and variation mainly depends on genotype. Ozdemir and Karadavut
(2003) reported that autumn sowing increased the mean 100 seed mass by an average
of 10% over spring sowing and said this result was due to the moderate temperature
regime during the seed-filling stage. Also studies conducted elsewhere have
also demonstrated that plant density has none or little influence on mean seed
weight in chickpea (Siddique et al., 1984; Beech and Leach, 1989; Saini
and Faroda, 1998). The highest number of pods plant-1 (Table
2) was found on mid November (37.69) planting followed by mid March (22.25)
and mid April (14.56). The highest number of pods plant-1 in the
winter-sown was due to extend duration vegetative and reproductive phase growth
in winter crop. Ozdemir and Karadavut (2003) reported that the longer growing
period of autumn-sown chickpea affected positively pods per plant. Present results
are in agreement with (Singh and Bejiga, 1990). Results of means comparison
indicated that the highest number of pod per plant (31.5) was recorded from
23 plant m-2 density. The results indicated that the increase in
pod number in lower planting density may be the result of availability of better
growth resource to the individual plant. Jettner et al. (1999) reported
that the number of pod per plant decreased in highest planting density. The
decreased pod production (18) with increasing plant density (45 plant m-2)
was presumably due to plant-to-plant competition for resources. Present results
are in agreement with (Beech and Leach, 1989; Biswas et al., 2002).
Morphological traits: The early sowing (mid November as winter-sown and mid March as spring-sown crops) emerged at the 5 April and 11 April, respectively but the spring-sown (mid April) crop emerged in 17 May and continued to grow more of one month later than the early sowing. Winter-sown crops flowered on 26 May and spring-sown crops on 2 June and 12 June, respectively. Flowering initiation of chickpea sown in winter shifted earlier than the sown in spring by 7-16 days. The time of plant maturity for harvest was on average 17 days earlier with early sowing than mid April (region usual sowing by farmers). The results clearly indicated that prolonged period of flowering and growth due to early sowing had a significant influence on the productivity. Also, the reproductive phase of early sowing was longer than mid April, contributing to higher seed yield. Present results are in agreement with Ozdemir and Karadavut (2003). Morphological traits were not significantly influenced by sowing dates and planting densities but had significant effect only on days to maturity. Singh et al. (1997) and Ozdemir and Karadavut (2003) reported that plant height and branch number per plant were most influenced by sowing time. On the other hand, plant height and brunch number per plant increased in winter than spring sowing dates. Parvez et al. (1989) and Khan et al. (2003) in soybean reported that plant height increased slightly with increase in planting density. However, in this study effect of experiment factors were not significant on the morphological traits. This result may be due to use of one cultivar of chickpea that had a same growing habit. Maximum days to maturity were recorded from the mid March (195.6) sowing date and a decrease trend in days to maturity (76.56) was observed with mid April sowing dates. Minimum days to maturity with mid April sowing may be due to quick changes in photoperiod and temperatures. The results indicated that early sowing (mid March) took maximum days to maturity. In planting densities maximum days to maturity (155.6) were found in the 17 plant m-2. A steady increase in number of days to maturity tack place when decreased plant density. Golozani et al. (1994) in chickpea reported that with decrease plant density, increased number of days to maturity. These results are in agreement with Khan et al. (2003) in soybean that reported that early sowing dates and low plant density have a maximum day to maturity.
Seed protein content: Seed protein content was significantly affected by sowing dates at 1% level and planting density at 5% level of chickpea. Results indicated that the highest seed protein content was recorded in mid March and in the 45 plant m-2 planting density. These results clearly indicate that there was a negative relation between protein content and number of pod per plants. In higher plant density pod per plant decreased and the result of this seed protein content will be highest. Badshah et al. (2003) reported that protein content is negatively correlated to seed size, volume and density. Present results are in agreement with (Sandhu et al., 1989; Saraii, 2000). It is recommended that for achieve to high protein content of this cultivar in region should be planted in the mid March as an early sowing.
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