POLLEN PHYSIOLOGY

[41] DENWARD T, 1963, HEREDITAS, V49, P189

[42] Pollen longevity of Pinus strobus as controlled by humidity and temperature [J]. AMERICAN JOURNAL OF BOTANY, 1941, 28 (02) : 175 - 177

[43] EAST E. M., 1940, PROC AMER PHIL SOC, V82, P449

[44] A new interpretation of the hereditary behavior of self-sterile plants [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1925, 11 : 166 - 171

[45] EAST EM, 1929, BIBL GENET, V5, P331

[46] ECHOLS R. M., 1956, FOREST SCI, V2, P321

[47] EHLERS H., 1951, Biologisches Zentralblatt, V70, P432

[48] Ehrenberg CE., 1960, MEDD SKOGSFORSKN I S, V49, P1

[49] ERDTMAN G, 1957, POLLEN MORPHOLOGY PL, V2

[50] ERDTMAN G, 1957, POLLEN MORPHOLOGY PL, V1

[41] DENWARD T, 1963, HEREDITAS, V49, P189

[42] Pollen longevity of Pinus strobus as controlled by humidity and temperature [J]. AMERICAN JOURNAL OF BOTANY, 1941, 28 (02) : 175 - 177

[43] EAST E. M., 1940, PROC AMER PHIL SOC, V82, P449

[44] A new interpretation of the hereditary behavior of self-sterile plants [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1925, 11 : 166 - 171

[45] EAST EM, 1929, BIBL GENET, V5, P331

[46] ECHOLS R. M., 1956, FOREST SCI, V2, P321

[47] EHLERS H., 1951, Biologisches Zentralblatt, V70, P432

[48] Ehrenberg CE., 1960, MEDD SKOGSFORSKN I S, V49, P1

[49] ERDTMAN G, 1957, POLLEN MORPHOLOGY PL, V2

[50] ERDTMAN G, 1957, POLLEN MORPHOLOGY PL, V1