Sharma, B. (2017) “Multiple allelism at Er locus for powdery mildew resistance in pea (Pisum sativum L.)”, The Indian Journal of Genetics and Plant Breeding, 76(4). Available at: https://epubs.icar.org.in/index.php/IJGPB/article/view/67302 (Accessed: 20 October 2025).