Presentation is loading. Please wait.

Presentation is loading. Please wait.

Seed Concerns – Self-Pollinated Species Harold Bockelman National Small Grains Collection.

Similar presentations


Presentation on theme: "Seed Concerns – Self-Pollinated Species Harold Bockelman National Small Grains Collection."— Presentation transcript:

1 Seed Concerns – Self-Pollinated Species Harold Bockelman National Small Grains Collection

2 The National Small Grains Collection Predominantly self-pollinated More than 95% of the 128,855 accessions are self- pollinated Exceptions are Secale (rye), Aegilops, and some Hordeum species

3 NSGC Regeneration Locations Aberdeen, IDspring plantingspring habit: barley oat wheat triticale rye fall plantingwinter habit: wheat triticale rye Parlier, CAfall plantingwinter habit: barley facultative, mixed, and unknown habits Stuttgart, ARspring plantingrice (up to 130 days to maturity) Puerto Ricowinter plantingrice (>130 days – daylength sensitive types) Greenhouseswinter plantingwild species; critical inventory and viability summer plantingOryza species

4 AccessionGuardAccessionGuard AccessionGuardAccession GuardAccessionGuard AccessionGuardAccession GuardAccessionGuard AccessionGuardAccession GuardAccessionGuard AccessionGuardAccession GuardAccessionGuard AccessionGuardAccession GuardAccessionGuard AccessionGuardAccession NSGC Field Design

5 Maintaining the Integrity of Accessions Heterogeneous Accessions Population Size Seed Viability Good descriptor data Field design Quality control at all stages

6 What about a predominantly self-pollinating species that exhibits 5% outcrossing? Distance Placement Bagging


Download ppt "Seed Concerns – Self-Pollinated Species Harold Bockelman National Small Grains Collection."

Similar presentations


Ads by Google