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Precocious genotypes and homozygous tendency generated by self-pollination in walnut
2018
BMC Plant Biology
Observations of precocious (early bearing) genotypes of walnut (Juglans regia L.) under natural conditions encouraged us to study the origin and genetic control of these fascinating traits. Results: In this study, the self-fertility, progeny performance, and simple sequence repeat (SSR) locus variation of iron walnut (Juglans sigillata Dode), an ecotype of J. regia, were investigated. The average self-pollinated fruit set rate of J. sigillata cv. 'Dapao' (DP) was 7.0% annually from 1979 to
doi:10.1186/s12870-018-1549-1
fatcat:yfio5tyu2zflbj745q7dgxucbu