Results of some apple hybrids populations to the attack of scab and powdery mildew under natural conditions by G. M. Guzu, S.D. Roșu Mareș, C. Moldovan, I. Zagrai, L. A. Zagrai, M. I. Cordea

Subjects: “…controlled pollination…”
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An economic analysis and seed yield assessment of alternative breeding strategies in a white spruce tree improvement program by Esteban Galeano, Simon Bockstette, Barb R. Thomas

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