Abstract
A seed remains connected to its mother plant through the funiculus, serving as the sole means of communication between seed and mother plant. The funiculus is typically detached from seeds during harvesting and threshing. However, during routine monitoring of pigeonpea germplasm, one accession (IC421082) was identified to have an intact funiculus in harvested seeds. As per the available passport data, this accession is a landrace named double mooti (due to the double hilum i.e., a long visible funiculus attached to the seed) from the Gulbarga district in Karnataka. Information gathered from various sources revealed that this local landrace is preferred because of early field emergence and high vigour. Further investigation into this unique characteristic was conducted during the mega characterisation of pigeonpea under the Consortia Research Platform of Agrobiodiversity (CRP-AB) project. Out of 4,000 accessions screened, accession IC421082 was validated to have an intact funiculus in mature and harvested seeds. This article presents findings on the impact of the presence of the funiculus on water uptake in mature harvested pigeonpea seeds. The initial investigation suggested that seeds with an intact funiculus exhibited higher rates of water uptake compared to those without funiculus.
Published Version
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