Unit 1 (b) - Wild relatives in different crops | Crop Improvement – I (Kharif)

Crop Improvement – I (Kharif) 

UNIT-I

Syllabus
Centres of origin, 
Distribution of species, 
Wild relatives in different- cereals; pulses;  oilseeds;  fibers;  fodders & cash crops;  vegetable and horticultural crops.

Part. B.

Wild relatives in different- Cereal

Wild relatives of cereal crops are important genetic resources for crop improvement, as they contain valuable traits such as disease resistance, tolerance to abiotic stresses, and improved yield. Here are some examples of wild relatives of cereal crops:

  1. Wild wheat relatives - Wild wheat relatives include species such as Aegilops tauschii and Triticum urartu, which are closely related to cultivated wheat. These species contain genetic diversity that has been used to develop new wheat varieties with improved disease resistance, yield, and quality.
  2. Wild rice relatives - Wild rice relatives include species such as Oryza rufipogon and Oryza nivara, which are the ancestors of cultivated rice. These species contain valuable traits such as drought tolerance, disease resistance, and improved grain quality.
  3. Wild maize relatives - Wild maize relatives include species such as Zea diploperennis and Zea mays ssp. parviglumis, which are closely related to cultivated maize. These species contain genetic diversity that has been used to develop new maize varieties with improved yield, disease resistance, and drought tolerance.
  4. Wild barley relatives - Wild barley relatives include species such as Hordeum spontaneum and Hordeum bulbosum, which are closely related to cultivated barley. These species contain genetic diversity that has been used to develop new barley varieties with improved disease resistance, yield, and stress tolerance.
  5. Wild sorghum relatives - Wild sorghum relatives include species such as Sorghum halepense and Sorghum bicolour ssp. verticilliflorum, which is closely related to cultivated sorghum. These species contain valuable traits such as drought tolerance, disease resistance, and improved grain quality.

Understanding the genetic diversity and distribution of wild relatives of cereal crops is essential for crop improvement and conservation efforts. Researchers and plant breeders often travel to the regions where these wild relatives are found to collect plant material and study their genetic traits. This information is used to develop new crop varieties that are better adapted to changing environmental conditions and can help to meet the growing demand for food.

Wild relatives in different- Pulses

Wild relatives of pulse crops, like other crop species, play an important role in crop improvement and are valuable genetic resources for developing new varieties with desirable traits. Here are some examples of wild relatives of pulse crops:

  1. Wild lentil relatives - Wild lentil relatives include species such as Lens orientalis and Lens ervoides, which are closely related to cultivated lentils. These species contain valuable genetic traits, such as resistance to pests and diseases and improved yield, which can be used to develop new lentil varieties.
  2. Wild chickpea relatives - Wild chickpea relatives include species such as Cicer bijugum and Cicer reticulatum, which are the ancestors of cultivated chickpea. These species contain valuable traits, such as drought tolerance, resistance to diseases, and improved yield, which can be used to develop new chickpea varieties.
  3. Wild pea relatives - Wild pea relatives include species such as Pisum sativum subsp. elatius and Pisum fulvum, which are closely related to cultivated pea. These species contain valuable traits such as resistance to pests and diseases and improved yield, which can be used to develop new pea varieties.
  4. Wild bean relatives - Wild bean relatives include species such as Phaseolus filiformis and Phaseolus coccineus, which are closely related to cultivated bean. These species contain valuable genetic traits such as drought tolerance, resistance to diseases, and improved yield, which can be used to develop new bean varieties.
  5. Wild soybean relatives - Wild soybean relatives include species such as Glycine tomentella and Glycine max subsp. soja, which are closely related to cultivated soybean. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new soybean varieties.

Understanding the distribution and genetic diversity of wild relatives of pulse crops is essential for the conservation and sustainable use of genetic resources. Researchers and plant breeders often travel to the regions where these wild relatives are found to collect plant material and study their genetic traits. This information is used to develop new pulse crop varieties that are better adapted to changing environmental conditions and can help to meet the growing demand for food.

Wild relatives in different- oilseeds

Wild relatives of oilseed crops are important genetic resources for crop improvement as they contain valuable traits such as disease resistance, tolerance to abiotic stresses, and improved yield. Here are some examples of wild relatives of oilseed crops:

  1. Wild mustard relatives - Wild mustard relatives include species such as Brassica nigra and Brassica rapa, which are closely related to cultivated mustard. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new mustard varieties.
  2. Wild sunflower relatives - Wild sunflower relatives include species such as Helianthus annuus and Helianthus debilis, which are closely related to cultivated sunflower. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new sunflower varieties.
  3. Wild safflower relatives - Wild safflower relatives include species such as Carthamus oxyacantha and Carthamus tinctorius, which are closely related to cultivated safflower. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new safflower varieties.
  4. Wild sesame relatives - Wild sesame relatives include species such as Sesamum capense and Sesamum indicum, which are closely related to cultivated sesame. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new sesame varieties.
  5. Wild rapeseed relatives - Wild rapeseed relatives include species such as Brassica rapa subsp. trilocularis and Brassica napus subsp. napus, which are closely related to cultivated rapeseed. These species contain valuable genetic traits such as disease resistance, drought tolerance, and improved yield, which can be used to develop new rapeseed varieties.

Understanding the genetic diversity and distribution of wild relatives of oilseed crops is essential for crop improvement and conservation efforts. Researchers and plant breeders often travel to the regions where these wild relatives are found to collect plant material and study their genetic traits. This information is used to develop new crop varieties that are better adapted to changing environmental conditions and can help to meet the growing demand for food and oil.

Wild relatives in different- fibers

Wild relatives of fiber crops, like other crop species, are important genetic resources for crop improvement as they contain valuable traits such as disease resistance, drought tolerance, and improved yield. Here are some examples of wild relatives of fibre crops:

  1. Wild cotton relatives - Wild cotton relatives include species such as Gossypium herbaceum and Gossypium hirsutum, which are closely related to cultivated cotton. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new cotton varieties.
  2. Wild jute relatives - Wild jute relatives include species such as Corchorus capsularis and Corchorus olitorius, which are closely related to cultivated jute. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new jute varieties.
  3. Wild flax relatives - Wild flax relatives include species such as Linum bienne and Linum perenne, which are closely related to cultivated flax. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new flax varieties.
  4. Wild hemp relatives - Wild hemp relatives include species such as Cannabis ruderalis and Cannabis sativa, which are closely related to cultivated hemp. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new hemp varieties.

Understanding the distribution and genetic diversity of wild relatives of fibre crops is essential for the conservation and sustainable use of genetic resources. Researchers and plant breeders often travel to the regions where these wild relatives are found to collect plant material and study their genetic traits. This information is used to develop new fibre crop varieties that are better adapted to changing environmental conditions and can help to meet the growing demand for fibre products.

Wild relatives in different- fodders & cash crops

Wild relatives of fodder and cash crops are important genetic resources for crop improvement as they contain valuable traits such as disease resistance, drought tolerance, and improved yield. Here are some examples of wild relatives of fodder and cash crops:

  1. Wild soybean relatives - Wild soybean relatives include species such as Glycine tomentella and Glycine max, which are closely related to cultivated soybean. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new soybean varieties.
  2. Wild pea relatives - Wild pea relatives include species such as Pisum sativum subsp. elatius and Pisum sativum subsp. abyssinicum, which is closely related to cultivated pea. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new pea varieties.
  3. Wild bean relatives - Wild bean relatives include species such as Phaseolus acutifolius and Phaseolus coccineus, which are closely related to cultivated beans. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new bean varieties.
  4. Wild potato relatives - Wild potato relatives include species such as Solanum demissum and Solanum stenotomum, which are closely related to cultivated potato. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new potato varieties.
  5. Wild rice relatives - Wild rice relatives include species such as Oryza rufipogon and Oryza longistaminata, which are closely related to cultivated rice. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new rice varieties.

Understanding the genetic diversity and distribution of wild relatives of fodder and cash crops is important for the conservation and sustainable use of genetic resources. Researchers and plant breeders often travel to the regions where these wild relatives are found to collect plant material and study their genetic traits. This information is used to develop new crop varieties that are better adapted to changing environmental conditions and can help to meet the growing demand for food and cash crops.

Wild relatives in different- vegetable and horticultural crops.

Wild relatives of vegetable and horticultural crops are important genetic resources for crop improvement as they contain valuable traits such as disease resistance, drought tolerance, and improved yield. Here are some examples of wild relatives of vegetable and horticultural crops:

  1. Wild tomato relatives - Wild tomato relatives include species such as Solanum pimpinellifolium and Solanum lycopersicoides, which are closely related to the cultivated tomatoes. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new tomato varieties.
  2. Wild cucumber relatives - Wild cucumber relatives include species such as Cucumis melo subsp. agrestis and Cucumis sativus var. hardwickii, which are closely related to cultivated cucumber. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new cucumber varieties.
  3. Wild pepper relatives - Wild pepper relatives include species such as Capsicum baccatum and Capsicum pubescens, which are closely related to cultivated pepper. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new pepper varieties.
  4. Wild lettuce relatives - Wild lettuce relatives include species such as Lactuca serriola and Lactuca saligna, which are closely related to cultivated lettuce. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new lettuce varieties.
  5. Wild carrot relatives - Wild carrot relatives include species such as Daucus carota subsp. carota and Daucus carota subsp. maximus, which are closely related to the cultivated carrots. These species contain valuable traits such as resistance to pests and diseases, drought tolerance, and improved yield, which can be used to develop new carrot varieties.

Understanding the distribution and genetic diversity of wild relatives of vegetable and horticultural crops is important for the conservation and sustainable use of genetic resources. Researchers and plant breeders often travel to the regions where these wild relatives are found to collect plant material and study their genetic traits. This information is used to develop new vegetable and horticultural crop varieties that are better adapted to changing environmental conditions and can help to meet the growing demand for nutritious and flavorful produce.



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