Studies on crop phenology and physiological attributes in prerelease cultures of chickpea (Cicer arietinum L.) under rainfed and irrigated conditions

Q4 Environmental Science Ecology, Environment and Conservation Pub Date : 2023-01-01 DOI:10.53550/eec.2023.v29i02.034

P. Umamaheswari, T. Raghavendra, V. Jayalakshmi

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Abstract

The study was carried out at Regional Agricultural Research Station, Nandyal to study the performance of advance chickpea breeding lines under rainfed and irrigated conditions during Rabi 2020-21 and 2021-22 in black cotton soils. The experiment was conducted in Factorial Randomized Block Design with eight chickpea genotypes (four Desi : NBeG 49, NBeG 776, NBeG 779, NBeG 857 and four Kabuli : NBeG 440, NBeG 789, NBeG 833, NBeG 844) under rainfed and irrigated condition with gross plot size 7.2 m2 . Significantly higher seed yield was recorded in desi genotypes, i.e NBeG-857 (2592 kg/ha) followed by NBeG- 779 (2526 kg/ha) and in kabuli genotype NBeG-440 (2055 kg/ha) followed by NBeG- 833 (1874 kg/ ha). The seed yield in irrigated conditions (2326 kg/ha) was significantly higher compared to rainfed conditions (1992 kg/ha). The interactions between genotypes and irrigation was not significant. In desi genotypes hundred seed weight was higher in NBeG -779 (28.7g) and in kabuli NBeG-833 had higher seed size (44.5g). Chickpea genotypes responded to irrigation and an yield advantage of 442 kg/ha was realized due to improvement in biomass and source sink relationship.

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雨灌条件下鹰嘴豆预放养作物物候和生理特性的研究

本研究在Nandyal区域农业研究站进行，研究Rabi 2020-21和2021-22期间雨养和灌溉条件下先进鹰嘴豆育种系在黑棉土上的表现。试验以8个鹰嘴豆基因型(4个Desi基因型:NBeG 49、NBeG 776、NBeG 779、NBeG 857)和4个Kabuli基因型:NBeG 440、NBeG 789、NBeG 833、NBeG 844)为材料，在雨灌条件下进行试验，总小区面积为7.2 m2。desi基因型NBeG-857 (2592 kg/ha)和kabuli基因型NBeG-440 (2055 kg/ha)和NBeG- 833 (1874 kg/ha)的种子产量显著提高。灌溉条件下的种子产量(2326公斤/公顷)显著高于旱作条件下的产量(1992公斤/公顷)。基因型与灌水的交互作用不显著。在desi基因型中，NBeG -779的百粒重较高(28.7g)， kabuli基因型中NBeG-833的百粒重较高(44.5g)。鹰嘴豆基因型对灌溉有响应，由于生物量和源库关系的改善，实现了442 kg/ha的产量优势。

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Ecology, Environment and Conservation Environmental Science-Nature and Landscape Conservation

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期刊介绍： Published Quarterly Since 1995. Ecology, Environment and Conservation is published in March, June, September and December every year. ECOLOGY, ENVIRONMENT AND CONSERVATION is one of the leading International environmental journal. It is widely subsribed in India and abroad by Institutions and Individuals in education and research as well as by Industries, Govt. Departments and Research Institutes.