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CHICKPEA CULTIVATION IN PAKISTAN




  • CHICKPEA CULTIVATION IN PAKISTAN

    Dr. Muhammad Tahir and Dr. Aziz Ur Rehman*

    Department of Agronomy, University of Agriculture, Faisalabad, 38040, Pakistan.

    *Corresponding Author: aziz_uaf@yahoo.com

     

     

    Scientific classification

    Kingdom             Plantea Genus                   Cicer
    Class                     Equisetopsida Species                  arietinum L.
    Order                      Fabales Botanical name        Cicer arietinum L.
    Family                   Leguminosae Common Names Gram, Chickpea, Chana,

    INTRODUCTION:

    Chickpea is known as one of the oldest pulses and cultivated from ancient times both in Europe and in Asia. It is assumed that gram is originated either from Mediterranean or Himalayas region. Now it is cultivated in Pakistan, Italy, India, Rumania, Greece, North Africa, Egypt, Russia, North Africa and many other countries of the world. Chickpea have importance due to its nutritional values of seeds as it contains high protein contents about 25 – 28% after dehulling. Chickpea seeds are eaten fresh as green vegetables, roasted, boiled and fried; as snack food, sweet and condiments; seeds are ground and the flour can be used as soup and to make bread; prepared with pepper, salt and lemon it is served as a side dish as well as dal chana is very popular.

    There are two main types of chickpea, distinguished by seed size, shape and color. The first relatively small seeds is called desi and with large seed called Kabuli. Desi chickpea is cultivated mainly in the Indo-Pakistan subcontinent. Chickpeas are used both for human consumption and animal feeds in rural and urban areas.

    Chickpea is grown in tropical, sub-tropical and temperate regions. Kabuli type is grown in temperate regions, while the desi type chickpea is grown in the semi-arid tropics. Gram covers a major portion of rice area in winter season and is common Dubari crop of rice tract in Sindh. Khushab, Thal desert, Cholistan and Bahawalpur are main growing areas are in Punjab.

    GROWTH HABITS:

    It is a small, much branched herbaceous plant rarely exceeding 60 centimetres height. The leaves are pinnately compound, usually with one terminal leaflet. The number as well as the size of the leaflet, however, varies in different types. There are 9 – 15 pairs of leaflets. The leaflets of the pinnate leaves are small, and have serrated edges. The leaves are covered with glandular hairs. The color of the leaves also varies; some being light green while other is green or dark green. Certain types possess leaflets with red margins. Flowers are of various colours from white to shades of pink or blue. Anthesis starts between 9 AM – 10AM and may continue up to 3 PM. The flowers remain open for two days, the flowering process being over early on the second day. Self pollination is the rule, but cross pollination may occur to the extent of about 5 – 10% due to agency of insects. The pod is about 2 cm long and usually contains two seeds. A single plant produces about 50 to 150 pods.

    Chicpea has a well-developed root system. The roots usually include a central strong tap root, with numerous lateral branches that spread out in all directions in the upper layer of soils. There are numerous nodules on roots. The rhizobium bacteria present in these nodules fix up atmospheric nitrogen.

    TYPES OF CHICKPEA:

    Two distinct types of chickpeas are recognized.

    Desi chickpea: Chickpea with colored and thick seed coat are called desi type. The common seed colours include various shades and combinations of brown, yellow, green and black. The seeds are generally small and angular with a rough surface. The flowers are generally pink and the plants show various degrees of anthocyanin pigmentation, although some desi types have white flowers and no anthocyanin pigmentation on the stem. The desi types account for 80-85% of chickpea area. The splits (dal) and flour (besan) are invariably made from desi type.

    Kabuli chickpea: The Kabuli type chickpea is characterized by white or beige coloured seed with ram’s head shape, thin seed coat, smooth seed surface, white flowers, and lack of anthocyanin pigmentation on the stem. As compared to desi types, the Kabuli types have higher levels of sucrose and lower levels of fiber. The Kabuli types generally have large sized seeds and receive higher market price than desi types. The price premium in Kabuli types generally increases as the seed size increases.

    CLIMATE:

    Chick peas are usually grown as a rainfed cool-weather crop or as a dry climate crop in semi-arid regions. Kabuli types are less tolerant than Desi types to dry conditions, as they require more moisture to achieve a satisfactory grain size and yield. Frost, hailstones, and excessive rains damage the crop. Relative humidity of 21–41% is optimum for seed setting.

    SOIL:

    Chickpea is grown on a wide range of soils in Pakistan. Gram is generally grown on moderately heavy soils, light soils, mostly sandy loams are preferred in Punjab i.e. Thal and Cholistan desert. Though gram is grown on all kinds of soils, sandy loam to clay loam is considered to be most suitable. The best type of soil for chickpea is one that is well drained and not too heavy. On dry and light soils, the plants remain short while on heavy soils having high water retention capacity, the vegetative growth is abundant, light becomes limiting and fruiting is retarded. The soil chosen for its cultivation should be free from excessive soluble salts and near neutral in reaction. However, it is not suited to soils having a pH higher than 8.5.

    LAND PREPARATION:

    Chickpea is highly sensitive to soil aeration. This imposes a restriction for its cultivation on heavy soils and calls for special care in seedbed preparation. A rough seedbed is required for chickpea. In case the chickpea crop is taken after a kharif fellow, it would be desirable to go for a deep ploughing during the monsoon as the same would help in larger conservation of rain water in the soil profile for subsequent use by this crop. Very fine and compact seedbed is not good for chickpea, but it requires a loose and well aerated seedbed.

    SOWING TIME AND SOWING METHOD:

    Chickpeas are propagated from seeds. Sowing is usually done on conserved soil moisture. A pre-sowing irrigation may be needed, if the available soil moisture is not adequate for germination. Drilling is best sowing method of chickpea. Row to row spacing 25 – 40 cm and plant to plant spacing 10 cm at the depth of 2 – 12 cm with soil well pressed down. Soil is worked into a rough tilth, clods broken and well leveled. Seed is sown from mid-September to mid-November and best time of sowing is 15th  of October. Seeding rates vary from 30 – 40 kg per acre depending on the area and seed type. Chickpeas are also grown as a catch crop in sugarcane fields and often as a second crop after rice. Although usually considered a dry-land crop, chickpea develop well on rice lands. In virgin sandy soils or for the first planting in heavier soils, inoculation is said to increase yield by 10 – 62%”.

    VARIETIES:

    In Pakistan there are two kinds of chickpeas are grown i.e. desi and Kabuli. A good gram crop in case of desi (black varieties) gives an output of 15 to 25 maunds yield per acre and in case of Kabuli varieties gives about 25 to 30 maunds yield per acre.


     

    Chickpea varieties released in Pakistan

    Venhar BARI, Chakwal 2000 Desi, high yielding, medium seeded, tolerant to A blight, suitable for cultivation in Pothwar region.
    Dashat NARC, Islamabad 2003 Desi, high yielding, medium seeded, resistant to ascochyta blight, suitable for cultivation in Pothwar region.
    Parbat NARC, Islamabad 2003 Desi, high yielder than Dasht medium seeded, resistant to A. blight, suitable for cultivation in Pothwar region.
    KK-2 GRS, Karak 2003 Desi, drought tolerant, med. seed size
    Thal-2006 AZRI, Bhakkar 2006 Bold seeded, drought and blight tolerant, highly responsive to irrigation.
    CM-2008 NIAB, Faisalabad 2008 Kabuli, high yielding, mutant
    Punjab-2008 AARI, Faisalabad 2008 Desi, high yielding
    Punjab Noor-2009 AARI, Faisalabad 2009 Kabuli, high yielding, tolerant to Fusarium wilt, suitable for cultivation in irrigated areas.

     

    WEEDS MANAGEMENT:

    Chickpeas are poor competitors with weeds because of their slow emergence and growth during winter. Effective weed control is essential for good yields and to avoid the buildup of troublesome weeds in the rotation. Management for broad leaf weeds needs to begin in the preceding cereal year because there are few options for in-crop control. In particular vetch and other self-sown pulses can be problematic weeds. Chickpea being a stature crop suffers severely by infestation of weeds. One hand weeding or inter culture with hand hoe or wheel hoe after 25 – 30 days and second if needed after 60 days of sowing may take care of weeds. Roundup herbicide can apply as pre-planting spray may be used as an effective herbicide. Hand weeding or inter culture with the help of hoe is always better than herbicides because inter culture operations improve aeration in the soil and root zone.

    IRRIGATION:

    Chickpea is the most drought tolerant crop and thus suited well for light textured soils. Pre irrigation is essential to fulfill the soil profile to get proper germination. Total crop water requirement is varying from 150 – 250 mm for different areas in Pakistan. Waterlogging at flowering or poding can kill the crop or significantly reduce yield, especially at higher temperatures. Drainage must be excellent and watering time as short as possible, preferably less than 8 hours and definitely less than 24 hours (in heavy soil).

    FERTILIZER:

    Chickpea is a legume. It has nodulation capability which can fix atmospheric nitrogen into the soil, if seed is inoculated with bio-fertilizer using inoculants developed for nodulation of chickpeas. The bio-fertilizers for chickpea are available with NARC and other establishments of PARC. 1to 2 bags of inoculants are sufficient to treat the seed of one acre. High and effective nodulation on the roots of the chickpea is an important agronomic factor for enhanced productivity and fixation of atmospheric nitrogen into the soil. The genotypes are now available with high nodulation capacity and consequently with higher yields. One bag of DAP as phosphorous is recommended for one acre. Foliar application of liquid micronutrients (zinc and boron) is suggested based on the recommended dose for soils which are excessively exploited or low in fertility.

    DISEASES OF CHICKPEAS:

    1. Wilt (Caused by Fusarium oxysporum f. sp ciceri):

    Symptoms: The plants start wilting and ultimately dry up at seedling and/or at flowering stage. The diseased plants are pulled out easily, due to the loss of rigidity. Sometimes, sudden dropping of leaves or only a few branches of a single plant is affected. The disease mostly spreads in patches, but entire field may also be affected in severe conditions. Severe damage has been reported during early pod filling.

    Perpetuation: The disease causing fungus may survive and carried over from year to year by sowing infected seed, while the diseased plant debris lying in the field or in the threshing area also helps the fungus to remain alive.

    Control: Cultivation of disease resistant variety is only the easiest, economical and safe method. However, following measures could be beneficial if applied.

    • Avoid the cultivation of gram in the diseased area for three years.
    • Improvements of soil condition with good drainage minimize the disease incidence.
    • Use of disease free seed or seed treated with suitable seed dressing fungicides before sowing.
    • Late and deep sowings reduce the incidence of the disease.
    • Mixed cropping of gram with wheat, barley, rape, mustard, safflower, sorghum and millet help to check the disease.
    • Diseased plants should be uprooted from the field and burnt.
    • Sweeping the threshing floor and burning or burying all plant debris.
    1. Blight [Caused by Mycosphaerella rabiei (Ascochyta rabiei)]:

    Symptoms: The disease starts from the base of the plant, which result in the death of the whole plant. The infected plants could not be differentiated in early stages from the distance. The affected plants may show partial or total drying, with purple to dark brown spots of different sizes on stems, branches, leaf stalks and leaflets. These spots become brown to black lesions and affected plants or plant parts show burnt appearance. Primarily individual infected plants may be observed scattered, but later on the disease appear in circular patches and ultimately the entire field come under attack, therefore, whole crop may be destroyed completely. The disease symptoms may also occur on the pods and seeds. The pods produce blackish spots while the seeds become shrivelled.

    Perpetuation: The disease causing fungus is a soil borne and can remain viable for considerable periods. Seed may also help fungus to survive.

    Control: The control measures are same as suggested for wilt disease of gram.

    • Cercospora Leaf Spot (Caused by Cercospora canescens and C. cruenta):

    Symptoms: The spots appear on leaves, gray to brown in color and circular to irregular in shape. These spots increase in number and size, which turn into lesions of a reddish brown margin. The size of pods and seed is reduced, hence yield decreased considerably.

    Perpetuation: The disease causing fungus is seed borne.

    Control: The control measures are same as recommended for the wilt of gram.

    1. Root and Stem Rot (Sometimes known as charcoal rot, caused by Macrophomina phaseolina, Rhizoctonia bataticola and R. solani):

    Symptoms: The disease is difficult to identify in initial stages. However, dark lesions are formed on the main stalk near soil level, forming localized dark green patches. The tissues of the affected portions become weak and shredded easily. If the plants will pull out, the basal stem and root may show dry rot symptoms.

    Perpetuation: The disease causing fungi are soil borne and remain viable for long periods.

    Control: The control measures are same as recommended for the wilt of gram.

    1. Anthracnose (Caused by Colletotrichum lindemuthianum or Gloeosporium phaseoili):

    Symptoms: All the aerial parts of the plants are infected by the disease causing fungus. Initially, small spots appear in scattered manner, but later on they coalesce, giving rise to broad lesions, which become dead. The spots are usually depressed with dark center and bright red or orange margins. Sometimes, such lesions are seen lenticular to circular sunken and tan to brown.

    Perpetuation: The disease is seed borne, but secondary spread takes place by air borne.

    Control: The disease could be controlled by spraying suitable fungicides, but the suggestions given for the control of gram wilt may also found fruitful.

    HARVESTING AND STORAGE:

    Chickpea crop mature in 3-7 months during maturity leaves turn brown/yellow. Plants are harvested slightly earlier or at maturity for dry seeds, by uprooting or cutting them near to the ground. After harvesting, crop is well dried by stacking plants in field for a few days. Threshing is made by beating or trampling with wooden flails, and then grains and chaff are separated by winnowing. Tall cultivars can be easily harvested by mechanized harvesting using case combines. Chickpeas are more subjected to insect damage usually stored in bags than when stored in bulk. To control seed beetles proper drying, cleaning, and aeration is necessary. Store damage can be minimized by the use of a vegetable oil coating. Baskets made from twisted straw are also used as storage containers.

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