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Book of Extended summaries ISDA

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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges &<br />

Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad<br />

T3-12P-1433<br />

Yellow Revolution Success in Sodic Soil Through Salt Resistant Variety <strong>of</strong><br />

Mustard (CS-58)<br />

A.K. Srivastava, Naveen K. Singh and Ashutosh Srivastava<br />

Krishi Vigyan Kendra Pratapgarh- 229408, Uttar Pradesh, India<br />

Salinity and sodicity stresses affect an area <strong>of</strong> 932.2 million hectares in the world and an area<br />

<strong>of</strong> nearly 6.73 million hectares is affected by these stresses in India. This crop is <strong>of</strong>ten subject<br />

to saline stress, as it is grown extensively in arid and semi-arid regions <strong>of</strong> the world. Soil and<br />

water salinity stresses contribute to greater yield losses (both seed and oil yield), and this low<br />

economic yield is related to susceptibility <strong>of</strong> the crop. Hence, it is necessary to develop salttolerant<br />

genotypes in Indian mustard. CS-58 is a newly developed, salt-tolerant, high-yielding<br />

Indian mustard variety from ICAR- CSSRI, Karnal, to harness the yield potential <strong>of</strong> saltaffected<br />

soils <strong>of</strong> India. It produced 24-25% higher seed yield than the national check varieties<br />

Varuna and Kranti and was adopted by farmers in salt-affected areas. It grows up to a height<br />

<strong>of</strong> 180-185 cm. It matures in about 125-130 days and 1000 seed weight was 5.6-6.0 g. It is<br />

recommended for saline soils up to soil salinity level (ECe) up to 12.0 dS m -1 and in alkali soils<br />

upto pH 8.5-9.3. It is highly suitable for saline and sodic soil conditions. It yields around 39%<br />

oil content even under salt stress conditions. The yield potential in normal soils is 26-28 q ha -1<br />

and in salt affected soils (having pH up to 9.3 and soil salinity upto 9.0 dS m -1 ) is 22-24 q ha -1 .<br />

In NICRA village on the basis <strong>of</strong> five-year (2015-16 to 2020-21) demonstration conducted for<br />

saline conditions in NICRA village Chhachhamau, CS-58 provided a mean seed average yield<br />

<strong>of</strong> 2040 kg ha -1 under sodic condition (pH 8.5-9.0), which was 22-26% higher than the yields<br />

<strong>of</strong> check variety Varua. It gives higher yield at less cost, with less water requirements, and with<br />

more resilience to climatic stresses – are desirable and should be evaluated. Introduction <strong>of</strong><br />

mustard salt tolerant variety CS-58 plays a significant role in high pH condition.<br />

T3-13P-1253<br />

Weed Management Strategies under Different Tillage Systems in Wet<br />

Direct Seeded Rice<br />

P. Gayathri, Nimmy Jose, Jyothi Sara Jacob, A.K. Ambily and M. Surendran<br />

Rice Research Station, Moncompu, Kerala Agricultural University, 688502, Kerala, India<br />

The shift in the crop establishment method from transplanting to direct sowing is not gaining<br />

momentum among farming community due to the difficulties associated with the weed<br />

management in wet direct seeded rice (DSR). In wet DSR, weeds and seeds emerge at the same<br />

time and cause severe yield loss. As no weedicides can give broad spectrum management,<br />

Managing genetic resources for enhanced stress tolerance<br />

362 | Page

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